Very strong mag. 6.4 earthquake - Costa Rica on Tuesday, 11 March 1924 at 10:41 (GMT)

Very strong mag. 6.4 earthquake - Costa Rica on Tuesday, 11 March 1924 at 10:41 (GMT)

Very strong magnitude 6.4 earthquake at 20 km depth

Date & time: 11 Mar 1924 10:41:19 UTC
Magnitude: 6.4
Depth: 20.0 km
Epicenter latitude / longitude: 10.058°N / 84.855°W (Costa Rica)
Nearest volcano: Cerro San Miguel (17 km / 11 mi)
Nearby towns and cities:
9 km (6 mi) NNW of Puntarenas (pop: 35,700) --> See nearby quakes!
12 km (7 mi) NW of Chacarita (pop: 26,400) --> See nearby quakes!
22 km (14 mi) WNW of Esparza (Espíritu Santo) (pop: 15,600) --> See nearby quakes!
49 km (31 mi) SSE of Canas (Cañas) (pop: 20,300) --> See nearby quakes!
55 km (34 mi) WSW of Quesada (Barrio San Martín) (pop: 27,300) --> See nearby quakes!
67 km (42 mi) WNW of San Rafael Abajo (Puriscal) (pop: 27,400) --> See nearby quakes!
80 km (50 mi) W of San Francisco (pop: 55,900) --> See nearby quakes!
81 km (50 mi) W of San Francisco de Heredia (Heredia) (pop: 21,900) --> See nearby quakes!
86 km (53 mi) W of San Jose (pop: 335,000) --> See nearby quakes!
90 km (56 mi) SE of Liberia (pop: 45,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) More info
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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.
MagnitudeDepthLocationSource
M 6.420 kmCosta RicaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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 yet. If you felt it be the first to report it!
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Aftershocks

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Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area

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