1991 Racha earthquake

1991 Racha earthquake
1991 Racha earthquake is located in Georgia
1991 Racha earthquake
UTC time1991-04-29 09:12:48
ISC event336954
USGS-ANSSComCat
Local date29 April 1991 (1991-04-29)
Local time13:13
Magnitude7.0 Mw
Depth17 km[1]
Epicenter42°27′11″N 43°40′23″E / 42.453°N 43.673°E / 42.453; 43.673
TypeBlind thrust[2]
Areas affected Georgia
Max. intensityMMI IX (Violent)[3]

MSK-64 IX (Destructive)
Casualties270 dead

The 1991 Racha earthquake occurred in the province of Racha, Georgia, at 9:12 UTC on 29 April. Centered on the districts of Oni and Ambrolauri on the southern foothills of the Greater Caucasus mountains, it killed 270, left approximately 100,000 homeless and caused severe damage, including to several medieval monuments.[4] It had a magnitude of 7.0 and was the most powerful earthquake recorded in the Caucasus.[5]

  1. ^ NGDC. "Comments for the Significant Earthquake". Retrieved 10 August 2010.
  2. ^ Cite error: The named reference yeats was invoked but never defined (see the help page).
  3. ^ National Geophysical Data Center / World Data Service (NGDC/WDS) (1972). "Significant Earthquake Database" (Data Set). National Geophysical Data Center, NOAA. doi:10.7289/V5TD9V7K.
  4. ^ Cite error: The named reference Nikoleishvili was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Arafiev was invoked but never defined (see the help page).