September 11, 1927 Earthquake: Sebastopol, Crimea, Ukraine
A magnitude 6.8 earthquake struck Sebastopol, Crimea, Ukraine on September 11, 1927 at 22:15:48 UTC, 17 km below the surface. It killed 11 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
- September 11, 1927
- Time
- 22:15:48 UTC
- Place
- Sebastopol, Crimea, Ukraine
- Magnitude
- 6.8 (Ms)
- Focal depth
- 17 km (11 mi)
- Intensity
- 9 on the Modified Mercalli scale
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 44.400° N, 34.500° E
- Country
- Ukraine
The toll
- Deaths
- 11
- Injuries
- 122
- Damage
- Extreme (about $25 million or more)
- Houses destroyed
- Very many (over 1,000)
- Houses damaged
- Very many (over 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.
1927, Sept 11, 22:15:48 UTC. 44.3 N, 34.3 E, depth 17 km, 6.8 MS, intensity IX. Following from ref #9934: A strong earthquake was felt over all the Crimea. The region of greatest shaking and damage, included within the intensity 8 isoseismal line, occurred within a narrow coastal strip from Alushta to Sevastopol I.Alupka... There were strong shocks. 12 homes were completely destroyed... and 22 were left uninhabitable. 1 woman died from a heart attack, 3 people were seriously injured, and 6 were injured slightly. A health resort sustained major damage. A mosque wall caved in, and the "Mimosa" dacha was destroyed; the Vorontsov palace was damaged... The walls of homes collapsed in the Tatar section.
Alushta. There were strong shocks. 15 people were injured. In addition to damage in the Yaly-Bakhcha bldg, 80% of the Evropei Hotel was damaged and 40% of the Builders club. Of the 10 peasant homes destroyed, 2 were razed down to the foundations. Almost all the buildings were damaged... The Dorodnovoi dacha was especially damaged. Three walls collapsed, resulting in the loss of human life. Part of the Ekaterin Gory (Demerdzhi) caved in. The former Vettsel Hotel... was heavily damaged. 40% of the peasant dwellings on the coast were damaged... A wall caved in and 3 inhabitants were severely injured in the Chemists dacha near the Kastel Mtn....
Balaklava... Strong shocks. Damage in the city was insignificant, although cracks formed in the walls of the 2nd floor and in the crosspieces. There was a roar from the sea with an ebb and flow of 1 m. Large cracks formed in the ground in the area of Balaklava...
Gurzuf. The Village Soviet has been destroyed. 3 died, 20 were injured. The city council building, dispensary, telephone station, and a private dacha were destroyed. All the dachas were damaged somewhat. Many farm homes were destroyed.
Kikeneiz. Strong shocks... A large part of the village (about 50 homes) was destroyed. The upper part of the highway was buried, and the lower part was blocked by a landslide from the Krestovaya Mtns.
Koreiz... Pipes collapsed in many homes, stoves broke away from the wall, and plaster crumbled. A ward wall in the hospital caved in. Part of the church collapsed. 3 were killed, and some were seriously injured.
Kuchuk-Lambat. Of 140 homes, 20 were destroyed and 25 developed cracks. 1 person was killed, 4 were injured.
Livadiya. Palaces were cracked by the earthquake and walls caved in in some places.
The upper road above the Oreanda was obstructed by a landslide; and the lower road was blocked by a landslide from the Krestovaya Mtns.
Swallow's Nest (Lastochkino Gnezdo). A tower collapsed. The Gorniak rest home was partially damaged. Many cracks formed in the big palace, towers rocked, and the eastern corner of the bldg broke away....
Massandra... Strong shocks caused much damage and destruction...
Mishkor... Although damage was not major, pipes fell in many buildings, southern walls cracked, and white-washing and plaster crumbled from walls... Of 166 buildings in Mishkor and Koreiz, 115 were partially destroyed and 96 of these were uninhabitable.
Simeiz. Serious destruction. The Napoleon cliff caved in. Of 154 buildings, 75 were damaged and 35 of these were destroyed. There were landslides on the Koshka Mountain. A piece of the Diva cliff fell and a crack formed in the cliff.
Yalta. Very Strong shocks caused the collapse of
smokestacks and cornices, mountain slides, and much
destruction in a number of buildings... Property damage amounted to 25 million roubles. 3 people were killed, 65
were injured. 70% of the structures in the Yalta region incurred damage.
(above from ref #223)
1927, Sept 12. Sebastopol, Crimea.--A press dispatch states that a serious earthquake occurred in the southern part of Russia early in the morning of September 12th. The shock was most destructive in Sebastopol. (ref #5006)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- June 26, 1927, Sebastopol, Crimea, Ukraine
- September 24, 1927, Sebastopol, Crimea, Ukraine
- January 1, 1341, Crimea, Ukraine
- September 16, 1927, Sebastopol, Crimea, Ukraine
- October 11, 1869, Sudak, Feodosia, Crimea, Ukraine
- July 25, 1875, Sebastopol, Crimea, Ukraine
- July 25, 1875, Sebastopol, Crimea, Ukraine
- June 5, 1615, Black Sea, Ukraine
- 103, Black Sea, Ukraine
- April 19, 1650, Black Sea, Azov Sea, Ukraine
- October 63 BC, Pantikapey, Russia
More
Significant earthquakes of 1927The 1900sEvery quake the USGS located in 1927Recent 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 3330.