Strong mag. 6.2 earthquake - Costa Rica on Friday, 1 March 1991 at 17:30 (GMT)
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Strong magnitude 6.2 earthquake at 197 km depth
Date & time: 1 Mar 1991 17:30:26 UTC
Depth: 196.5 km
Epicenter latitude / longitude: 10.939°N / 84.637°W (Costa Rica)
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) --> See nearby quakes!
41 km (26 mi) E of Upala (pop: 4,190) --> See nearby quakes!
55 km (34 mi) E of San José (Upala) (pop: 31,400) --> See nearby quakes!
72 km (45 mi) NNW of Quesada (Barrio San Martín) (pop: 27,300) --> See nearby quakes!
76 km (47 mi) NE of Canas (Cañas) (pop: 20,300) --> See nearby quakes!
94 km (58 mi) ENE of Liberia (pop: 45,400) --> See nearby quakes!
109 km (68 mi) N of Puntarenas (pop: 35,700) --> See nearby quakes!
113 km (70 mi) NNW of Alajuela (pop: 47,500) --> See nearby quakes!
119 km (74 mi) NNW of San Francisco (pop: 55,900) --> See nearby quakes!
127 km (79 mi) NNW of San Jose (pop: 335,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) More info
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.
|M 6.2||197 km||Costa Rica||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.