Very strong mag. 6.4 earthquake - 21 km southeast of Puerto Cortes, Osa, Provincia de Puntarenas, Costa Rica, on Tuesday, March 9, 1937 at 15:40 (GMT)
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Very strong magnitude 6.4 earthquake at 20 km depth
Depth: 20.0 km
Epicenter latitude / longitude: 8.822°N / 83.398°W↗ (Osa, Provincia de Puntarenas, Costa Rica)
Antipode: 8.822°S / 96.602°E↗
Nearest volcano: Durika (62 km / 39 mi)
Nearby towns and cities:
21 km (13 mi) SE of Ciudad Cortés (Puntarenas) (pop: 3,850) --> See nearby quakes!
40 km (25 mi) S of Buenos Aires (Puntarenas) (pop: 11,700) --> See nearby quakes!
40 km (25 mi) NW of Golfito (Puntarenas) (pop: 6,780) --> See nearby quakes!
47 km (29 mi) W of San Vito (Puntarenas) (pop: 3,980) --> See nearby quakes!
54 km (33 mi) WNW of Corredor (Ciudad Neily, Puntarenas) (pop: 7,080) --> See nearby quakes!
69 km (43 mi) SSE of San Isidro (San José) (pop: 34,900) --> See nearby quakes!
92 km (57 mi) WNW of Concepcion (Chiriquí, Panama) (pop: 17,700) --> See nearby quakes!
136 km (84 mi) SSW of Puerto Limon (Limón) (pop: 63,100) --> See nearby quakes!
145 km (90 mi) SSE of San Jose (San José) (pop: 335,000) --> See nearby quakes!
204 km (127 mi) SE of Puntarenas (pop: 35,700) --> 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
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.
|6.4||20 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.
Recorded aftershocks, latest first (0 quakes)
So far, no aftershocks have been registered.