List of earthquakes in Costa Rica

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

This list is incomplete; you can help by expanding it.

Name	Date	Epicentre	M	MM	Depth	Notes	Deaths
1910 Costa Rica earthquake	1910-05-04	Cartago	6.4			[1]	700
1966 Costa Rica earthquake	1966-04-09		5.7			[2]
1974 Costa Rica earthquake	1974-02-28		5.8			[2]
1990 Costa Rica earthquake	1990-03-25 13:22:55 UTC	9°55′08″N 84°48′29″W / 9.919°N 84.808°W 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)	1990-04-28		5.9			[2]
1991 Costa Rica earthquake	1991-04-22 21:56:51 UTC	9°41′06″N 83°04′23″W / 9.685°N 83.073°W 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	1996-09-04		5.8			[2]
1999 Costa Rica earthquake	1999-08-20 10:02:21 UTC	9°02′N 84°09′W / 9.04°N 84.15°W offshore	6.9		20 km	[5]	-
2004 Costa Rica earthquake	2004-11-20 08:07:21 UTC	9°34′52″N 84°13′41″W / 9.581°N 84.228°W offshore	6.4		16 km	[6]	8
2009 Costa Rica earthquake	2009-01-08 19:21:34 UTC	10°11′49″N 84°09′32″W / 10.197°N 84.159°W 30 km north of San José	6.1		4.5 km	[7]	40
2012 Costa Rica earthquake	2012-09-05 14:42:10 UTC	10°07′12″N 85°20′49″W / 10.119900°N 85.347000°W 11 km east of Nicoya	7.6		40.8 km	[8]
2012 Costa Rica earthquake (aftershock)	2012-10-24 00:45:34 UTC	10°07′16″N 85°18′50″W / 10.121001°N 85.314004°W 13 km east-northeast of Hojancha	6.6		20.1 km	Most violent aftershock of the 2012 Costa Rica earthquake.[9]

References

1. Historic World Earthquakes: Costa Rica
2. Se Espera un Nuevo Temblor en 10 Días Diario Extra, 2012-10-13. (Spanish)
3. Significant Earthquakes of the World, 1990
4. Significant Earthquakes of the World, 1991
5. Significant Earthquakes of the World, 1991
6. Magnitude 6.4 - COSTA RICA, 20 November 2004 08:07:21 UTC
7. Magnitude 6.1 - COSTA RICA 8 January 2009 19:21:34 UTC
8. M7.6 - 10km NE of Hojancha, Costa Rica
9. Réplica de terremoto de Nicoya causó gran alarma en el país La Nación, 2012-10-24. (Spanish)

External links

• Observatorio Vulcanológico y Sismológico de Costa Rica (OVSICORI)