Strong mag. 5.8 earthquake - North Pacific Ocean, 279 km southwest of San José, San Jose, Costa Rica, on Thursday, 13 August 2009 at 09:37 (GMT)
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Strong magnitude 5.8 earthquake at 10 km depth
Date & time: 13 Aug 2009 09:37:35 UTC
Depth: 10.0 km
Epicenter latitude / longitude: 7.948°N / 85.633°W (North Pacific Ocean, Costa Rica)
Nearby towns and cities:
215 km (134 mi) S of Samara (pop: 1,070) --> See nearby quakes!
242 km (150 mi) SSW of Puntarenas (pop: 35,700) --> See nearby quakes!
265 km (165 mi) SW of San Isidro (pop: 34,900) --> See nearby quakes!
278 km (173 mi) SW of Alajuela (pop: 47,500) --> See nearby quakes!
279 km (173 mi) SW of San Jose (pop: 335,000) --> See nearby quakes!
281 km (175 mi) SW of San Francisco (pop: 55,900) --> See nearby quakes!
283 km (176 mi) SW of San Francisco de Heredia (Heredia) (pop: 21,900) --> See nearby quakes!
284 km (177 mi) SW of Cartago (pop: 26,600) --> See nearby quakes!
300 km (186 mi) S of Liberia (pop: 45,400) --> See nearby quakes!
365 km (227 mi) SW of Puerto Limon (pop: 63,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 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 5.8||10 km||off the coast of Costa Rica||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.