Moderate mag. 5.3 earthquake - North Pacific Ocean, 45 km northeast of Isla Cabo Blanco Island, Costa Rica, on Wednesday, 1 December 1976 at 14:15 (GMT)

Moderate mag. 5.3 earthquake - North Pacific Ocean, 45 km northeast of Isla Cabo Blanco Island, Costa Rica, on Wednesday, 1 December 1976 at 14:15 (GMT)

Moderate magnitude 5.3 earthquake at 58 km depth

Date & time: 1 Dec 1976 14:15:39 UTC
Magnitude: 5.3
Depth: 58.0 km
Epicenter latitude / longitude: 9.77°N / 84.77°W (North Pacific Ocean, Costa Rica)
Nearest volcano: Cerro San Miguel (29 km / 18 mi)
Nearby towns and cities:
19 km (12 mi) ESE of Paquera (pop: 1,510) --> See nearby quakes!
24 km (15 mi) S of Chacarita (pop: 26,400) --> See nearby quakes!
24 km (15 mi) SSE of Puntarenas (pop: 35,700) --> See nearby quakes!
28 km (17 mi) SSW of Esparza (Espíritu Santo) (pop: 15,600) --> See nearby quakes!
53 km (33 mi) W of San Rafael Abajo (Puriscal) (pop: 27,400) --> See nearby quakes!
59 km (37 mi) W of Tejar (Acosta) (pop: 22,400) --> See nearby quakes!
72 km (45 mi) SSW of Quesada (Barrio San Martín) (pop: 27,300) --> See nearby quakes!
74 km (46 mi) WSW of San Francisco (pop: 55,900) --> See nearby quakes!
77 km (48 mi) WSW of San Jose (pop: 335,000) --> See nearby quakes!
94 km (58 mi) W of Cartago (pop: 26,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) 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 5.358 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.
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Aftershocks

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Recorded aftershocks, latest first (0 quakes):
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Earlier earthquakes in the same area

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