July 6, 1964 Earthquake: Guerrero, Mexico
A magnitude 7.3 earthquake struck Guerrero, Mexico on July 6, 1964 at 07:22:13 UTC, 93 km below the surface. It killed 78 people.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- July 6, 1964
- Time
- 07:22:13 UTC
- Place
- Guerrero, Mexico
- Magnitude
- 7.3 (Mw)
- Focal depth
- 93 km (58 mi)
- Tsunami
- None recorded
- Epicenter
- 18.136° N, 100.605° W
- Country
- Mexico
The toll
- Deaths
- 78
- Injuries
- 50
- Damage
- Severe (about $5 to $25 million)
- Houses destroyed
- Many (101 to 1,000)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
Reference #45 lists magnitude 7.0, 30 deaths and severe damage.
Reference #1040 lists magnitude 7.4, 78 deaths, 50 injuries and severe damage.
1964 July 06, 07:22:13.19 UTC, 18.136 N 100.605 W, magnitude 7.28 Mw, depth 93.3 (reference #10476, version 9.0)
40 dead (reference #13997)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- November 19, 1912, Central, Acambay, Tixmadeje, Mexico
- October 3, 1864, Puebla,veracruz,acultzingo,acatzingo, Mexico
- April 15, 1907, Guerrero, Mexico
- March 14, 1979, Guerrero, Mexico
- February 22, 1943, Paricutin Volcano Forms, Guerrero, Mexico
- May 11, 1962, Southern Mexico
- September 8, 2021, Guerrero, Mexico
- October 25, 1981, Lazaro Cardenas, Michoacan, Mexico
- May 19, 1962, Southern Mexico
- December 11, 2011, Guerrero, Mexico
- January 16, 1902, Guerrero, Mexico
- January 2, 2026, Guerrero, Mexico
- December 4, 1852, S. Mexico
- March 19, 1978, Acapulco, Mexico
- August 29, 1887, Guerrero, Mexico
More
Significant earthquakes of 1964The 1900sEvery quake the USGS located in 1964Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 4326.