Strong mag. 5.0 earthquake - North Pacific Ocean, 44 km east of Isla Cabo Blanco Island, Costa Rica, on Monday, 23 September 1991 at 15:16 (GMT)
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Strong magnitude 5.0 earthquake at 10 km depth
Date & time: 23 Sep 1991 15:16:20 UTC
Depth: 10.0 km
Epicenter latitude / longitude: 9.612°N / 84.715°W (North Pacific Ocean, Costa Rica)
Nearest volcano: Cerro San Miguel (46 km / 29 mi)
Nearby towns and cities:
9 km (6 mi) W of Jaco (pop: 4,090) --> See nearby quakes!
42 km (26 mi) S of Chacarita (pop: 26,400) --> See nearby quakes!
43 km (27 mi) S of Esparza (Espíritu Santo) (pop: 15,600) --> See nearby quakes!
53 km (33 mi) WSW of San Rafael Abajo (Puriscal) (pop: 27,400) --> See nearby quakes!
55 km (34 mi) WSW of Tejar (Acosta) (pop: 22,400) --> See nearby quakes!
77 km (48 mi) SW of San Francisco (pop: 55,900) --> See nearby quakes!
78 km (48 mi) WSW of San Jose (pop: 335,000) --> See nearby quakes!
82 km (51 mi) WSW of Curridabat (pop: 34,600) --> See nearby quakes!
92 km (57 mi) WSW of Cartago (pop: 26,600) --> See nearby quakes!
189 km (117 mi) WSW of Puerto Limon (pop: 63,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) More info
Data for the same earthquake reported by different agencies
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|M 5.0||10 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.