Very strong mag. 6.6 earthquake - 9.2 km east of Parrita, Provincia de Puntarenas, Costa Rica, on Sunday, October 27, 1940 at 05:35 (GMT)
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Very strong magnitude 6.6 earthquake at 35 km depth
Depth: 35.0 km
Epicenter latitude / longitude: 9.509°N / 84.239°W↗ (Parrita, Provincia de Puntarenas, Costa Rica)
Antipode: 9.509°S / 95.761°E↗
Nearest volcano: Irazu (67 km / 42 mi)
Nearby towns and cities:
9 km (6 mi) E of Parrita (Puntarenas) (pop: 3,730) --> See nearby quakes!
26 km (16 mi) S of Tejar (Acosta, San José) (pop: 22,400) --> See nearby quakes!
36 km (23 mi) S of San Rafael Abajo (Puriscal, San José) (pop: 27,400) --> See nearby quakes!
42 km (26 mi) SSW of Aserri (San José) (pop: 25,900) --> See nearby quakes!
45 km (28 mi) SSW of San Miguel (San José) (pop: 28,800) --> See nearby quakes!
46 km (29 mi) SSW of San Felipe (San José) (pop: 25,000) --> See nearby quakes!
50 km (31 mi) SSW of San Jose (San José) (pop: 335,000) --> See nearby quakes!
84 km (52 mi) SE of Puntarenas (pop: 35,700) --> See nearby quakes!
142 km (88 mi) WSW of Puerto Limon (Limón) (pop: 63,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 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.
|6.6||35 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 quake)
So far, no aftershocks have been registered.