Volcanoes
1300July 11, 1300 Eruption of Hekla
Hekla, Iceland erupted with a Volcanic Explosivity Index of 4. It killed 600 people.
- When
- July 11, 1300
- VEI
- 4
- Deaths
- 600
- Where
- Hekla, Iceland
Every tornado, hurricane, flood, blizzard, heat wave, record, earthquake, eruption, tsunami, wildfire and geomagnetic storm on record for July 11, in any year, each linked to its full record.
Every event with a place, colored by kind. Tap one to open its record.
By deaths, damage and strength together, across every archive.
Volcanoes
Hekla, Iceland erupted with a Volcanic Explosivity Index of 4. It killed 600 people.
Earthquakes
A magnitude 6.7 earthquake struck Kefalonia, Greece. It killed 303 people, destroyed 2,642 houses and did severe (about $5 to $25 million) damage.
Earthquakes
A magnitude 6.3 earthquake struck Damiya, Israel, Jordan. It killed 268 people and did severe (about $5 to $25 million) damage. It caused a tsunami.
Tsunamis
A tsunami caused by a magnitude 6.3 earthquake struck Dead Sea, Israel, with a maximum water height of 1 meters. It killed 268 people and did severe (about $5 to $25 million) damage.
Earthquakes
A magnitude 7.2 earthquake struck Tash, Astrabad (Gorgan), Bastam, Shakhrud, Iran. It killed 171 people and did severe (about $5 to $25 million) damage. It caused a tsunami.
Tsunamis
A tsunami caused by a magnitude 7.2 earthquake struck Caspian Sea, Iran. It killed 171 people and did severe (about $5 to $25 million) damage.
Heat and drought
A very strong ridge of high pressure strengthened over the Desert Southwest during the middle part of the month, resulting in well above normal temperatures and excessive heat conditions.
Earthquakes
A magnitude 6.8 earthquake struck Lancang, Menglian, Thailand, Yunnan Province, China, Myanmar. It killed 11 people, injured 136, destroyed 100,000 houses and did $36.1 million in damage.
Hurricanes and tropical storms
Hurricane Freda reached its peak of 140 kt (160 mph) with a central pressure of 950 mb, a category 5 storm.
Hurricanes and tropical storms
Hurricane Rita reached its peak of 145 kt (165 mph) with a central pressure of 910 mb, a category 5 storm.
Tornadoes
An F2 tornado touched down in Grant, Big Stone counties, South Dakota and tracked 6.9 miles, 100 yards wide at its widest, killing 5 and injuring 28. From Grazulis's record of significant tornadoes: Big Stone City, SD/Ortonville, MN.
Tornadoes
An F3 tornado touched down in Westmoreland County, Pennsylvania and tracked 11.8 miles, 67 yards wide at its widest, killing 1 and injuring 17.
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An F2 tornado touched down in Grant, Big Stone counties, South Dakota and tracked 6.9 miles, 100 yards wide at its widest, killing 5 and injuring 28. From Grazulis's record of significant tornadoes: Big Stone City, SD/Ortonville, MN.
An F3 tornado touched down in Ramsey County, North Dakota and tracked 13.8 miles, injuring 18. From Grazulis's record of significant tornadoes: Devil's Lake to Crary, ND.
An F3 tornado touched down in Coles County, Illinois and tracked 4.7 miles, 30 yards wide at its widest, injuring 3.
An F3 tornado touched down in Williams County, North Dakota and tracked 0.1 miles, 10 yards wide at its widest.
An F3 tornado touched down in Westmoreland County, Pennsylvania and tracked 11.8 miles, 67 yards wide at its widest, killing 1 and injuring 17.
An F2 tornado touched down in Jefferson County, Pennsylvania and tracked 28.7 miles, 33 yards wide at its widest, killing 1 and injuring 7.
An F3 tornado touched down in Dickinson, Menominee, Delta counties, Michigan and tracked 71 miles, 150 yards wide at its widest.
A thunderstorm downburst wind gust measured at 86 mph struck the Bartow Municipal Airport. Two aircraft, and three large metal buildings, were destroyed. Four other aircraft were heavily damaged. Three additional aircraft incurred minor damage.
A tornado destroyed storage sheds, lighting, fencing, and caused other damage at Lake County Speedway. The tornado also damaged crops over a small area.
Hot and humid air in place over southern New England set the stage for severe thunderstorms throughout the Bay State during the afternoon and early evening.
A tornado touched down in Franklin Township and moved northeast near the city of Carlisle, ending near State Route 123. Several homes and one business sustained minor damage. Numerous trees were uprooted and knocked down along the path of the tornado.
Scattered thunderstorms developed during the afternoon and evening across eastern North Carolina as a cold front approached from the northwest.
An EF3 tornado touched down in Kandiyohi County, Minnesota and tracked 7.98 miles, 200 yards wide at its widest, injuring 2.
Instability ahead of a cold front which moved from the Central Dakotas on the morning of the 11th, to the Eastern half of Minnesota by the early evening hours, was the prime ingredient for scattered to numerous severe thunderstorms across the region, during this period.
An area of surface low pressure near Bismarck (ND) on the morning of the 11th moved to near Grand Forks (ND) by early afternoon, then moved to near Winnipeg in the evening. As it did so, a warm front lifted north ahead of the low and a cold front trailed behind the low.
A large area of thunderstorms moved through during the afternoon hours sparking straight line damaging winds, large hail, flash flooding, and tornadoes.
An unusually moist, tropical-like air mass settled over Arkansas on the 11th through 13th. Periodic areas of low pressure aloft moving through the area set off rounds of showers and thunderstorms. Some of the storms became severe.
A very unstable airmass was in place over Iowa with CAPE values around 6000 J/kg and lifted indices around -11 C. The downdraft CAPE was 1500 to 1900 J/kg.
Thunderstorms brought heavy rain to northwest Wisconsin early Monday, July 11th which helped to saturate the soil. During the day a strong low level jet pumped very moist air into the region.
A warm and humid air mass ahead of a low pressure system approaching from the Northern Plains set the stage for the formation of severe thunderstorms over portions of Gogebic County from late evening on the 11th into the early morning of the 12th.
The morning of Monday, July 11th, two waves of thunderstorms moved across west central and central Minnesota. Very heavy rainfall and isolated hail occurred with the main area of storms. But these storms also produced a wide area of one half to two inches of rain by sunrise.
After morning showers moved through eastern North Dakota and northwest Minnesota, clouds decreased and allowed for some decent afternoon warming. Highs warmed into the low 90s over all of east central and southeast North Dakota, along with dew point values in the lower 70s.
After morning showers moved through eastern North Dakota and northwest Minnesota, clouds decreased and allowed for some decent afternoon warming. Highs warmed into the low 90s over all of east central and southeast North Dakota, along with dew point values in the lower 70s.
A cold front moved into the northwest quarter of Minnesota during the evening of the 11th into the early morning hours of the 12th.
An outflow boundary was the focus for thunderstorm development during the evening of the 11th. Several supercells produced large hail before merging into a cluster of storms that led to several significant severe wind reports that lasted into the early morning of the 12th.
During the late morning of Saturday, July 11th, several clusters of thunderstorms developed across southwest, and west central Minnesota, and moved southeast along a strengthening gradient of instability and wind shear.
On July 11th, a line of severe thunderstorms moved across eastern Iowa and produced damaging straight-line winds, tornadoes and heavy rain.
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An unnamed storm crossed the coast as a category 1 hurricane, 70 kt (80 mph).
Hurricane Cindy crossed the coast near Weweantic, MA as a tropical storm, 50 kt, central pressure 998 mb. Hurricane Cindy impacted the Carolinas, the Mid-Atlantic states, New England, and the Canadian Maritime Provinces during the 1959 Atlantic hurricane season. The third storm of the season, Cindy originated from a low-pressure area associated with a cold front located east of northern Florida.
From Wikipedia, CC BY-SA 4.0.
Hurricane Freda reached its peak of 140 kt (160 mph) with a central pressure of 950 mb, a category 5 storm.
Hurricane Rita reached its peak of 145 kt (165 mph) with a central pressure of 910 mb, a category 5 storm.
Hurricane Phyllis reached its peak of 120 kt (140 mph) with a central pressure of 950 mb, a category 4 storm.
Hurricane Thelma reached its peak of 130 kt (150 mph) with a central pressure of 915 mb, a category 4 storm.
Hurricane Claudette crossed the coast near Playa del Carmen, Quintana Roo, Mexico as a tropical storm, 50 kt, central pressure 1009 mb. Hurricane Claudette was a moderately strong tropical cyclone that struck South Texas in July 2003. A fairly long-lived July Atlantic hurricane, Claudette was the fourth depression, third tropical storm, and first hurricane of the 2003 Atlantic hurricane season.
From Wikipedia, CC BY-SA 4.0.
Hurricane Darby reached its peak of 120 kt (140 mph) with a central pressure of 953 mb, a category 4 storm.
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Seminole County was hit hard on this evening back in 1970. Thunderstorm winds, estimated between 90 and 100 mph, damaged several buildings in the County, and blew out several plate-glass windows. Up to 5 inches of rainfall was also reported with the thunderstorms, producing flash flooding.
From the National Weather Service in Norman, Oklahoma.
Thunderstorms redeveloped during the afternoon and moved slowly west southwest down the valley. Rainfall rates were high with over an inch of rain falling in less than a half hour. Radar rainfall estimates were near three inches.
Thunderstorms redeveloped along the mountains to the south of Forest Falls/Mill Canyon and moved down the south slopes across Oak Glen, Cherry Valley, Beaumont, and Banning. Radar rainfall estimates in the Oak Glen area were near 4 inches.
Nearly an inch of rain in less than 45 minutes flooded a one mile section of Highway 18, stranding several motorists. Fifty homes and businesses were flooded in the same area with a half foot to two feet of water and mud.
Slow-moving thunderstorms produced very heavy rainfall that resulted in rapid development of urban flooding. West of Monroe, a 17-year-old man drowned when he jumped into a flooded drainage ditch, and was swept into a storm drain.
A strong cold front crossed eastern Montana during the evening hours of the 11th, and produced widespread severe weather across all 12 counties in northeast Montana. There were numerous reports of wind gusts of 60 to 85 mph and hail in excess of 2 inches in diameter.
Torrential rainfall from Hurricane Dennis ranged from 8 to 11 inches. In Sylvester, 78 families were displaced by the flooding. Many county roads were under water. A total of 300 homes were evacuated and 80 damaged by the flood waters. Reported by the Worth County EMA.
Nearly five inches of rain in three hours flooded city streets, washed out county roads and damaged bridges. Flash flooding along the Okapilco Creek in Moultrie damaged several homes and forced the evacuation of 100 homes and businesses.
On the afternoon of July 11th...a warm and very moist airmass was draped across Vermont. In addition, a slow moving cold front entered Vermont from west to east during the afternoon.
Heavy rain from a series of thunderstorms fell in steep terrain and caused flash flooding. Rainfall estimates from Doppler RADAR indicated that 6 to 8 inches of rain fell in 3 hours. The most damage occurred in Bethel where a reservoir on Chapman Brook was destroyed.
A deep tap of subtropical moisture combined with a weak disturbance aloft to produce heavy rain over Gallup, resulting in flash flooding in the downtown area.
A collision of the east coast and west coast sea breeze boundaries resulted in slow moving thunderstorms over Osceola County. The storms dumped excessive rainfall in a short period of time, resulting in flooding of many homes.
A cluster of severe thunderstorms, with embedded supercells, developed over central Missouri and moved southward across eastern portions of the Springfield County Warning Area. The thunderstorms produced severe winds up to 60mph, baseball size hail and heavy rainfall.
Thunderstorms formed across northern Utah again on July 13th. One of these storms produced a major flash flood near Tabiona, which resulted in one fatality, while two other deaths occurred due to lightning strikes in the Scofield area and San Rafael Desert.
Several rounds of heavy rain fell over northeast Missouri and west central Illinois from the afternoon hours of July 11th through the early morning hours of July 12th.
Typhoon Nangka moved across the Western Pacific during the first and second weeks of July.
Rounds of thunderstorms with torrential rainfall affected southern WI from late evening on July 11th through the morning of July 12th due to a strong surge of warm, moist, and unstable air over a stationary front.
Thunderstorms developed during the late evening of July 11th across far northeast Illinois and continued into the morning of July 12th producing torrential rainfall which continued over the same areas for hours producing flash flooding and major river flooding.
A more substantial push of monsoon moisture helped trigger widespread thunderstorms across the Mojave Desert and southern Great Basin. Many storms produced severe weather and flash flooding.
Thunderstorms brought 2 to around 5.5 inches of rain to parts of southeastern Pennsylvania on the afternoon and evening of July 11. The heaviest of the rain fell in southeastern Berks County, northern Chester County and upper Montgomery County.
Slow moving thunderstorms produced 4 to 7 inches of rain which fell in less than 6 hours, causing serious flash flooding.
A passing shortwave trough and surface cold front brought scattered showers and thunderstorm on July 11th. Increasing shear, building instability, and mid-level dry resulted in a few strong storms across the area.
During the afternoon and evening hours of July 11th, a series of thunderstorms moved across central and north central Indiana producing widespread damaging winds and large hail. Significant power outages occurred across Indianapolis and surrounding cities.
An unstable environment in Central New York allowed for thunderstorms, triggered by a passing warm front, to become severe with torrential rainfall. Rainfall totals of 3 to 4 inches, with locally higher amounts, were reported in 2 to 3 hours.
Numerous severe thunderstorms developed amidst an increasing low-level jet/isentropic ascent regime during the early morning hours of the 11th.
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A few trees were blown down by high winds.
Large hail severely damaged buildings mobile homes, vehicles, and crops. Walls and vehicles were dented, paint was stripped, many windows were broken, holes were punched in roofs, and trees were severely damaged.
The Atlanta Journal and Constitution reported that a 64 year-old man was struck by lightning while playing golf at the Cartersville Country Club. He sustained a burn on his foot where the lightning bolt exited his body. He spent the night in the hospital and was released.
Widespread baseball size hail damaged roofs, buildings, and many car windows in the Ottawa area during an early evening storm.
July 11 Severe Thunderstorm Event Summary: A complex of severe thunderstorms resulted in damaging winds over the eastern South Plains and the Rolling Plains during the evening hours of the 11th.
A squall line with a LEWP develped just west of the state and spread east across the CSRA and Midlands producing widespread wind damage and some hail.
A surface cold front moving across the plains provided a focus for thunderstorm development across south central Nebraska during the late evening hours. Some thunderstorms brought 60 to 70 mph winds, along with penny to quarter size hail.
Two separate bow echoes moved across western lower Michigan during the morning hours of July 11, producing numerous reports of wind damage. The first bow echo moved onshore north of Muskegon shortly after daybreak.
On the morning of July 11th, a derecho swept across northern Illinois leaving a wide swath of damage from severe winds.
A pair of mesoscale convective complexes crossed southern Wisconsin during the early morning hours of July 11th.
Mostly cloudy skies and above normal temperatures were seen across eastern Iowa, northwest Illinois, and northeast Missouri during the early morning hours on July 11.
Bow echo complex moved from Illinois and Wisconsin into northern Indiana. In addition, a separate area of thunderstorms developed ahead of the main line. Strong instability and a continued feed of moisture fed the line as it raced east at speeds of up to 60 mph.
Thunderstorms developed along a trough axis in northern Indiana. These storms became severe before exiting Indiana and then moving south and southeast across western and south central parts of Ohio. One these severe storms moved into Northern Kentucky before weakening.
A cold front pushed into eastern Minnesota and northern Iowa in the early morning hours of July 11th leading to severe thunderstorms. The severe thunderstorms knocked down trees, flattened corn and damaged a roof at a business in Dickeyville (Grant County).
Afternoon showers and thunderstorms developed in a warm and humid airmass.
A stationary frontal boundary draped across north-central Illinois triggered scattered severe thunderstorms during the morning of July 11th.
Scattered thunderstorms developed over portions of the greater Phoenix metropolitan area, including the community of Glendale, during the late afternoon and evening hours on July 11th.
Two rounds of strong to severe thunderstorms impacted central Illinois during the afternoon and evening of July 11th. The first round developed along an outflow boundary from previous convection that had tracked across northern Illinois around midday.
An upper-level wave dropped southeast from the Red River Valley through southwest Minnesota by midday, igniting convection along a southeastward pushing boundary.
Severe thunderstorms developed across southeastern Kansas and north central Oklahoma during the late afternoon of the 11th, as a cold front moved southward into the area. The atmosphere became extremely unstable over eastern Oklahoma ahead of the storms.
West to northwest upper winds were across south central and central Nebraska. There was a shortwave disturbance along the Montana and Canada border that moved east. A surface low was across the High Plains with a warm frontal boundary that extended east across northern Nebraska.
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A 34 year old female was found in her vehicle suffering from a heat stroke outside a doctors office. She was estimated to have been in the vehicle for five and one half hours before being found.
A 51 year-old woman died in her home in Wewoka due to the excessive heat.
Male died from heat exposure while working outside.
Man died from heat stroke while working on his vehicle outside his home. He was found by his neighbor.
Two people died due to heat stress.
A prolonged period of excessive heat occurred across eastern Oklahoma in mid July. Daytime maximum heat indices ranged from 105 to 115 degrees with overnight low temperatures only falling to around 80 for several consecutive days.
Temperatures reached Excessive Heat Warning criteria in Las Vegas for three consecutive days.
The hottest temperature in the state of Oklahoma during the year 2016 occurred on this date near Goodwell, just south of Guymon, when a high of 109 was recorded. The rest of the state had highs mostly in the middle 90s to near 100.
From the National Weather Service in Norman, Oklahoma.
Eight people died in Clark County of heat related causes.
Three people died in Las Vegas of heat related causes.
Hot temperatures in the 90s along with high dewpoints in the 70s resulted in heat index values between 100 and 105 on the afternoon of July 11. A 3-year old boy left unattended in a hot car died from heat stroke in Rutherford County.
A persistent upper level ridge spanning much of the Southern U.S. in mid July maintained hot temperatures across parts of the Four State Region from July 11th through the 13th, with daytime temperatures climbing into the upper 90s to lower and middle 100s.
Temperatures across South Florida were in the lower 90s with relative humidity values over 50%. This led to high heat index values and contributed to the death of a child who was left in a car during the afternoon.
A very strong ridge of high pressure strengthened over the Desert Southwest during the middle part of the month, resulting in well above normal temperatures and excessive heat conditions.
Temperatures in Southeastern Arizona were 3 to 6 degrees above normal, causing Low to Moderate HeatRisk. The Pima County Medical Examiner found that heat was a factor in the cause of death for 11 individuals.
Scattered convection occurred across Central Alabama during the afternoon of July 11. Two cells collided in southeast Lee County, with a microburst occurring in Smiths Station. The next day, a heat-related fatality occurred at a motocross park in Blount County.
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The Fyu Ne 96 Fire started on July 11, 1987, in Alaska, and burned 9,031 acres.
The Mink Fire started on July 11, 1988, in Wyoming, and burned 135,337 acres.
The Sliver Creek Fire started on July 11, 1988, in Idaho, and burned 45,068 acres.
The Gates Park Fire started on July 11, 1988, in Montana, and burned 42,484 acres.
The Clover Fire started on July 11, 1988, in Wyoming, and burned 34,013 acres.
The Range Fire was discovered on July 11, 1993, in New Mexico, and burned 9,000 acres; the cause was recorded as natural.
The Terra Fire was discovered on July 11, 1995, in Utah, and burned 7,063 acres; the cause was recorded as human.
The Slender Smoke Fire was discovered on July 11, 1996, in Alaska, and burned 39,660 acres; the cause was recorded as natural.
The Little Sahara Complex (Cherry Creek) Fire was discovered on July 11, 1996, in Utah, and burned 11,482 acres; the cause was recorded as natural.
The Lang Syne Fire was discovered on July 11, 1999, in Humboldt County, Nevada, and burned 24,340 acres; the cause was recorded as equipment and vehicle use.
The Wedge Butte Fire was discovered on July 11, 1999, in Blaine County, Idaho, and burned 16,266 acres; the cause was recorded as equipment and vehicle use.
The Cherry Fire was discovered on July 11, 2000, in White Pine County, Nevada, and burned 8,401 acres; the cause was recorded as natural.
The Eagle Fire was discovered on July 11, 2002, in Lincoln County, Nevada, and burned 8,527 acres; the cause was recorded as natural.
The Bolgen Creek Fire was discovered on July 11, 2004, in Alaska, and burned 201,894 acres; the cause was recorded as natural.
The Central Complex (Tokoma Bluffs) Fire was discovered on July 11, 2004, in Alaska, and burned 8,304 acres; the cause was recorded as natural.
The Fox Creek Wfu Fire was discovered on July 11, 2005, in Alaska, and burned 26,300 acres; the cause was recorded as natural.
The Stormcloud Fire was discovered on July 11, 2006, in Churchill County, Nevada, and burned 6,864 acres; the cause was recorded as natural.
The Ahorn Fire was discovered on July 11, 2007, in Lewis and Clark County, Montana, and burned 52,505 acres; the cause was recorded as natural.
The Elk Complex (King Creek 2) Fire was discovered on July 11, 2007, in Siskiyou County, California, and burned 10,617 acres; the cause was recorded as natural.
The Titna River Fire was discovered on July 11, 2009, in Alaska, and burned 164,542 acres; the cause was recorded as natural.
The Cedar Butte Wsa Fire was discovered on July 11, 2012, in Bingham County, Idaho, and burned 23,051 acres; the cause was recorded as natural.
The Stout Fire was discovered on July 11, 2012, in Elmore County, Idaho, and burned 12,768 acres; the cause was recorded as natural.
The Coxs Well Fire was discovered on July 11, 2012, in Blaine County, Idaho, and burned 7,800 acres; the cause was recorded as natural.
A warming trend developed Friday, July 11th and into the weekend from a warm high pressure system building westward over California. This resulted in temperatures in the 90s to low 100s with dry weather.
The Bully Fire was reported on July 11, 2014, in Shasta County, California, and burned 12,661 acres; the cause was recorded as human.
The Mills Canyon Fire was reported on July 11, 2014, in Chelan County, Washington, and burned 11,879 acres.
The Simmons Fire was reported on July 11, 2016, in Goshen County, Wyoming, and burned 19,612 acres.
The Lava Mountain Fire was reported on July 11, 2016, in Fremont County, Wyoming, and burned 14,651 acres; the cause was recorded as natural.
The Long Valley Fire was reported on July 11, 2017, in Lassen County, California, and burned 83,733 acres; the cause was recorded as human.
The Hyde Fire was reported on July 11, 2017, in Yavapai County, Arizona, and burned 18,072 acres; the cause was recorded as natural.
The Ethel Creek Fire was reported on July 11, 2019, in Dillingham County, Alaska, and burned 29,846 acres; the cause was recorded as natural.
The Central Maui Fire was reported on July 11, 2019, in Maui County, Hawaii, and burned 9,200 acres.
The Waiko Rd Fire was reported on July 11, 2019, in Maui County, Hawaii, and burned 9,000 acres; the cause was recorded as human.
The Little Titnuk Fire was reported on July 11, 2019, in Bethel County, Alaska, and burned 8,516 acres; the cause was recorded as natural.
The Tony Slough Fire was reported on July 11, 2019, in Yukon-Koyukuk County, Alaska, and burned 8,190 acres; the cause was recorded as natural.
The Devil's Elbow Fire was reported on July 11, 2019, in Yukon-Koyukuk County, Alaska, and burned 8,126 acres; the cause was recorded as natural.
The Road 11 Fire was reported on July 11, 2020, in Douglas County, Washington, and burned 9,330 acres.
S. state of Arizona.
From Wikipedia, CC BY-SA 4.0.
The Cow Valley Fire was reported on July 11, 2024, in Malheur County, Oregon, and burned 133,490 acres.
The Freeman Fire was reported on July 11, 2024, in Pinal County, Arizona, and burned 32,568 acres.
The Black Fire was reported on July 11, 2024, in Maricopa County, Arizona, and burned 11,162 acres; the cause was recorded as natural.
The Elephant Fire was reported on July 11, 2026, in Plumas County, California, and burned 13,930 acres.
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An earthquake struck Istanbul (Constantinople), Turkey. It killed 20 people.
An earthquake struck Santiago DE Cuba.
An earthquake struck Greece.
A magnitude 6.7 earthquake struck Kefalonia, Greece. It killed 303 people, destroyed 2,642 houses and did severe (about $5 to $25 million) damage.
A magnitude 6 earthquake struck Los Angeles, California, United States. It destroyed 1 house. It caused a tsunami.
A magnitude 5.9 earthquake struck Gulf of Suez, Egypt. It caused a tsunami.
A magnitude 8.3 earthquake struck Cilik, Alma-Ata, Kazakhstan.
A magnitude 7.2 earthquake struck Tash, Astrabad (Gorgan), Bastam, Shakhrud, Iran. It killed 171 people and did severe (about $5 to $25 million) damage. It caused a tsunami.
A magnitude 7.7 earthquake struck Colombia.
A magnitude 6.3 earthquake struck Damiya, Israel, Jordan. It killed 268 people and did severe (about $5 to $25 million) damage. It caused a tsunami.
A magnitude 6.3 earthquake struck Honshu, Japan. It killed 9 people.
A magnitude 4.3 earthquake struck Djebel Babor, Algeria. It killed 1 person and injured 18.
A magnitude 6.7 earthquake struck Darien, Panama. It killed 5 people and injured 7. It caused a tsunami.
A magnitude 5.2 earthquake struck Shurab, Nefteabad, Tajikistan.
A magnitude 6.8 earthquake struck Lancang, Menglian, Thailand, Yunnan Province, China, Myanmar. It killed 11 people, injured 136, destroyed 100,000 houses and did $36.1 million in damage.
A magnitude 6.7 earthquake struck W, Izabal-Puerto Barrios, Honduras, Guatemala. It killed 2 people, injured 40 and destroyed 7 houses.
A magnitude 6.5 earthquake struck Sanriku, Japan. It caused a tsunami.
A magnitude 2.9 earthquake struck Rybnik, Poland. It killed 1 person and injured 17.
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Hekla, Iceland erupted with a Volcanic Explosivity Index of 4. It killed 600 people.
Toya, Japan erupted. It killed 1 person.
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A tsunami with a source recorded as earthquake and landslide struck S. California, United States. It destroyed 1 house.
A tsunami caused by a magnitude 5.9 earthquake struck Gulf of Suez, Egypt.
A tsunami caused by a magnitude 7.2 earthquake struck Caspian Sea, Iran. It killed 171 people and did severe (about $5 to $25 million) damage.
A tsunami caused by a magnitude 6.3 earthquake struck Dead Sea, Israel, with a maximum water height of 1 meters. It killed 268 people and did severe (about $5 to $25 million) damage.
A tsunami caused by a magnitude 6.7 earthquake struck Panama. It killed 5 people and injured 7.
A tsunami caused by a magnitude 6.5 earthquake struck Sanriku, Japan, with a maximum water height of 0.2 meters.
A tsunami with a source recorded as volcano struck Stromboli Island, Italy.
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A G3 (strong) geomagnetic storm began July 11, 1950, reached Kp 7 and lasted 24 hours, with a daily Ap as high as 47; at that Kp the aurora may be seen from about 50 degrees geomagnetic latitude.
A G3 (strong) geomagnetic storm began July 11, 1959, reached Kp 7- and lasted 12 hours, with a daily Ap as high as 44; at that Kp the aurora may be seen from about 52 degrees geomagnetic latitude.
A G3 (strong) geomagnetic storm began July 11, 2003, reached Kp 7- and lasted 27 hours, with a daily Ap as high as 52; at that Kp the aurora may be seen from about 52 degrees geomagnetic latitude.
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A severe storm disaster that cost $2.0 billion in 2024 dollars, on NOAA’s billion-dollar list. It lasted from July 11, 1990 to July 11, 1990.
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A 28-year-old woman was fatally struck by lightning on the LaReine Avenue Beach in Bradley Beach during the early evening of the 11th. She was found in distress on the beach with burn marks in the mid section of her body before she passed away.
Man struck by lightning in Flagler Estates area. Report relayed to NWS JAX by State Warning Point.
Lightning started a fire that destroyed a $2 million house.
Gusty onshore winds contributed to rip current development on Lake Michigan beaches of Northwest Lower Michigan.
Enhanced rip currents and a pounding surf caused by swells from Hurricane Bertha caused many injuries and water rescues along the Delaware coast. The effects of Bertha started on the 11th, peaked on the 13th and 14th and slowly subsided over the next couple of days.
Sea breeze thunderstorms produced lightning along the Brevard County coast.
A Sheridan man died after being struck by lightning in the Big Horn Mountains. The man died at a Billings hospital from cardiac arrest, one day after the lightning strike. A U.S. Forest Service employee found the 63 year old man in an unresponsive state on a Forest Service road.
A 20 year old man was rescued from a rip current off Atlantic Beach on July 11th. He died from complications on July 21st.
One woman was killed and seven others injured by a lightning strike in Rocky Mountain National Park; she was the first lightning fatality in the park since 2000.
A weak front was situated over north central Georgia early in the morning on the 11th. A weak area of low pressure developed along the front during the day, triggering several showers and thunderstorms. Lightning struck and injured a woman in Lumpkin County.
Winds and seas were below small craft advisory conditions, but winds approached 20 kts around PR and mariners needed to exercise caution.
Two marines were struck by lightning on July 11. One of the marines subsequently passed away from serious injuries sustained by the lightning strike several days later.
A 59 year old male drowned due to a rip current at Fort Macon.
A man was unresponsive when he was pulled from the water by life guards, during a day with numerous rip current rescues. The man later died at a local hospital. The cause of death was drowning.
A surface low moved eastward across Lake Ontario and extended a trough over Lake Erie during the late morning through early evening of the 11th.
Gathered from this site’s archives: the tornado record (NOAA SPC, and Grazulis before 1950), IBTrACS and the National Hurricane Center, NOAA NCEI’s Storm Events Database, Regional Snowfall Index, billion-dollar disasters list, State Climate Extremes Committee and hazard databases, USGS, NIFC, GFZ Potsdam’s Kp index (CC BY 4.0), the National Weather Service in Norman, Oklahoma, and Wikidata (CC0), with article leads from Wikipedia under CC BY-SA 4.0, each credited where it appears. Rebuilt 2026-09-24.