Very strong mag. 6.0 earthquake - Puriscal, 25 km west of San Jose, San José, Costa Rica, on Saturday, December 22, 1990 at 17:27 (GMT)
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Very strong magnitude 6.0 earthquake at 17 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 17.3 km
Epicenter latitude / longitude: 9.869°N / 84.302°W↗ (Puriscal, Provincia de San José, Costa Rica)
Antipode: 9.869°S / 95.698°E↗
Nearest volcano: Barva (37 km / 23 mi)
Nearby towns and cities:
3 km (2 mi) NNE of Santiago (San José) (pop: 8,290) --> See nearby quakes!
4 km (3 mi) NNW of San Rafael Abajo (Puriscal, San José) (pop: 27,400) --> See nearby quakes!
16 km (10 mi) NNW of Tejar (Acosta, San José) (pop: 22,400) --> See nearby quakes!
19 km (12 mi) SSW of Alajuela (pop: 47,500) --> See nearby quakes!
19 km (12 mi) WSW of San Rafael (San José) (pop: 25,400) --> See nearby quakes!
23 km (14 mi) W of Aserri (San José) (pop: 25,900) --> See nearby quakes!
23 km (15 mi) SW of San Francisco (Heredia) (pop: 55,900) --> See nearby quakes!
25 km (16 mi) WSW of San Jose (San José) (pop: 335,000) --> See nearby quakes!
25 km (16 mi) SW of Heredia (pop: 21,900) --> See nearby quakes!
139 km (87 mi) W of Puerto Limon (Limón) (pop: 63,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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.
|6.0||17 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 (2 quakes)
- 22 Mar 1991 04:58 UTC| M 4.9 |44.6 km (27.7 mi) depth|26 km (16 mi) distance| USGS | Details
- 01 Jan 1970 00:00 UTC| M |0 km (0 mi) depth|9386 km (5832 mi) distance| | Details