List of earthquakes in Costa Rica

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Notable earthquakes in the history of Costa Rica include the following:

Name Date Epicentre M MM Depth Notes Deaths
1910 Costa Rica earthquake 1910050400001910-05-04
Cartago 6.4 [1] 700
1966 Costa Rica earthquake 1966040900001966-04-09
5.7 [2]
1974 Costa Rica earthquake 1974022800001974-02-28
5.8 [2]
1983 Costa Rica earthquake 1983-04-02 Golfito 7.2 VIII 26 km Subduction of the Cocos Plate under the Caribbean Plate. Over 51 aftershocks reported with ML > 3,6. 1
1990 Costa Rica earthquake 1990032500001990-03-25
13:22:55 UTC
9°55′08″N 84°48′29″W / 9.919°N 84.808°W / 9.919; -84.808
Entrance to the Gulf of Nicoya
7.0 VIII 22 km According to USGS: Heavy damage (MM VIII) in the area of Puntarenas, some 60 buildings damaged (MM VII) in the San José area.[3] 1
1990 Costa Rica earthquake (aftershock) 1990042800001990-04-28
5.9 [2]
1991 Costa Rica earthquake 1991042200001991-04-22
21:56:51 UTC
9°41′06″N 83°04′23″W / 9.685°N 83.073°W / 9.685; -83.073
Limon-Pandora area
7.6 X 10 km According to USGS: "Forty-seven people killed, 109 injured, 7,439 homeless and severe damage (IX) in the Limon-Pandora area. Intensity X was observed in some zones of liquefaction within the epicentral area. 27 people killed, 454 injured, 2,400 homeless and 866 buildings destroyed (VII-VIII) in the Guabito-Almirante-Bocas del Toro area, Panama."[4] 125
1996 Costa Rica earthquake 1996090400001996-09-04
5.8 [2]
1999 Costa Rica earthquake 1999082000001999-08-20
10:02:21 UTC
9°02′N 84°09′W / 9.04°N 84.15°W / 9.04; -84.15
offshore
6.9 20 km [5] -
2004 Costa Rica earthquake 2004112000002004-11-20
08:07:21 UTC
9°34′52″N 84°13′41″W / 9.581°N 84.228°W / 9.581; -84.228
offshore
6.4 16 km [6] 8
2009 Costa Rica earthquake 2009010800002009-01-08
19:21:34 UTC
10°11′49″N 84°09′32″W / 10.197°N 84.159°W / 10.197; -84.159
30 km north of San José
6.1 4.5 km [7] 40
2012 Costa Rica earthquake 2012090500002012-09-05
14:42:10 UTC
10°07′12″N 85°20′49″W / 10.119900°N 85.347000°W / 10.119900; -85.347000
11 km east of Nicoya
7.6 40.8 km [8]
2012 Costa Rica earthquake (aftershock) 2012102300452012-10-24
00:45:34 UTC
10°07′16″N 85°18′50″W / 10.121001°N 85.314004°W / 10.121001; -85.314004
13 km east-northeast of Hojancha
6.6 20.1 km Most violent aftershock of the 2012 Costa Rica earthquake.[9]

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