October 21, 1905 Earthquake: Caucasus, Georgia
A magnitude 7.5 earthquake struck Caucasus, Georgia on October 21, 1905 at 11:01:37 UTC, 60 km below the surface. It caused a tsunami.
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
- October 21, 1905
- Time
- 11:01:37 UTC
- Place
- Caucasus, Georgia
- Magnitude
- 7.5 (Ms)
- Focal depth
- 60 km (37 mi)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 42.000° N, 42.000° E
- Country
- Georgia
The toll
The record gives no deaths, injuries or damage for this earthquake.
What the record says
NCEI’s account, from the sources it cites.
1905, October 21 11:01:37. 42 N, 42 E, shallow depth, magnitude 7.5 MS. (reference #88)
1905, October 21 11:01:37. 42 N, 42 E, depth 60 km, 7.5 MS. (reference #9910)
1905, October 21 11:02. 42 N, 39.5 E, 6.0 Ms. (reference #4139)
1905, October 21 11:01:27.23. 43.096 N, 41.664 E, depth 15 km, 6.37 Mw. (reference #10476)
1905, October 21 11:01:26. 43.3 N, 41.7 E, depth 35 km, magnitude 6.4 MS, intensity VII. (reference #223)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- October 30, 1983, Erzurum, Kars, Khorasan, Pasinler, Narman, Turkey
- May 28, 1903, Varginis,cardahli,mehkerek, Turkey
- May 1, 1935, Kigi, Turkey
- October 22, 1926, Turkey, Armenia
- April 29, 1991, Dzhava, Chiatura, Ambrolauri, Georgia
- December 31, 1899, Turkey
- January 9, 1925, Ardahan, Turkey
- May 7, 1940, Turkey-Cis
- June 15, 1991, Dzhava, Tskhinvali, Ossetia, Georgia
- April 29, 1976, Turkey
- September 18, 1984, E, Erzurum, Olur-Senkaya, Turkey
- October 18, 1984, E, Senkaya, Turkey
- March 25, 1976, Turkey
- May 13, 1986, Akhalkalaki, Susuz, Georgia
- December 3, 1999, Goresken, Erzurum Province, Turkey
More
Significant earthquakes of 1905The 1900sEvery quake the USGS located in 1905Recent 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 2737.