Strong mag. 6.3 earthquake - Off the Coast of Costa Rica on Tuesday, 29 June 2004 at 07:01 (GMT)
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Strong magnitude 6.3 earthquake at 9 km depth
Depth: 9.0 km
Epicenter latitude / longitude: 10.738°N / 87.043°W (Costa Rica)
Nearest volcano: Masaya (169 km / 105 mi)
Nearby towns and cities:
336 km (209 mi) WNW of San José (pop: 335,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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 6.3||9 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.
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Aftershocks of the 6.3 quake Off the Coast of Costa Rica 29 June 2004 07:01 GMT
More infoRecorded aftershocks, latest first (1 quakes):
- 01 Jul 2004 12:33 UTC| M 5.1 |10 km (6.2 mi) depth|75 km (46 mi) distance| USGS | Details