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Strong mag. 6.2 earthquake - Costa Rica on Friday, March 1, 1991 at 17:30 GMT

Strong magnitude 6.2 earthquake at 197 km depth

Earthquake details

Date & time	Mar 1, 1991 17:30:26 UTC
Local time at epicenter
Status	Confirmed
Magnitude	6.2
Depth	196.5 km
Epicenter latitude / longitude	10.939°N / 84.637°W (Costa Rica)
Antipode	10.939°S / 95.363°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Cerro las Mercedes (32 km / 20 mi)
Nearby towns and cities	26 km (16 mi) SE of San Carlos (Nicaragua) (pop: 13,500) \| Show on map \| Quakes nearby 41 km (26 mi) E of Upala (pop: 4,190) \| Show on map \| Quakes nearby 54 km (34 mi) E of San Jose (Upala) (pop: 31,400) \| Show on map \| Quakes nearby 72 km (45 mi) NNW of Ciudad Quesada (Barrio San Martín) (pop: 27,300) \| Show on map \| Quakes nearby 76 km (47 mi) NE of Canas (Cañas) (pop: 20,300) \| Show on map \| Quakes nearby 86 km (53 mi) SSW of Nueva Guinea (Nicaragua) (pop: 52,900) \| Show on map \| Quakes nearby 94 km (58 mi) ENE of Liberia (pop: 45,400) \| Show on map \| Quakes nearby 127 km (79 mi) NNW of San Jose (pop: 335,000) \| Show on map \| Quakes nearby 204 km (127 mi) WNW of Ciudad de Limon (pop: 63,100) \| Show on map \| Quakes nearby 220 km (137 mi) SE of Managua (Nicaragua) (pop: 973,100) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1.3 x 10¹⁴ joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
6.2	197 km	Costa Rica	USGS

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User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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