Moderate mag. 5.3 earthquake - North Pacific Ocean, 23 km northeast of Isla Cabo Blanco Island, Costa Rica, on Sunday, 12 April 1998 at 13:07 (GMT)

Moderate mag. 5.3 earthquake - North Pacific Ocean, 23 km northeast of Isla Cabo Blanco Island, Costa Rica, on Sunday, 12 April 1998 at 13:07 (GMT)

Moderate magnitude 5.3 earthquake at 33 km depth

Date & time: 12 Apr 1998 13:07:05 UTC
Magnitude: 5.3
Depth: 33.0 km
Epicenter latitude / longitude: 9.715°N / 85°W (North Pacific Ocean, Costa Rica)
Nearest volcano: Cerro San Miguel (47 km / 29 mi)
Nearby towns and cities:
14 km (8 mi) SSW of Paquera (pop: 1,510) --> See nearby quakes!
34 km (21 mi) SSW of Puntarenas (pop: 35,700) --> See nearby quakes!
39 km (24 mi) SW of Chacarita (pop: 26,400) --> See nearby quakes!
48 km (30 mi) SW of Esparza (Espíritu Santo) (pop: 15,600) --> See nearby quakes!
69 km (43 mi) SE of Nicoya (pop: 15,300) --> See nearby quakes!
79 km (49 mi) W of San Rafael Abajo (Puriscal) (pop: 27,400) --> See nearby quakes!
93 km (58 mi) WSW of Alajuela (pop: 47,500) --> See nearby quakes!
103 km (64 mi) WSW of San Jose (pop: 335,000) --> See nearby quakes!
217 km (135 mi) W of Puerto Limon (pop: 63,100) --> See nearby quakes!
302 km (187 mi) SSE of Managua (Nicaragua) (pop: 973,100) --> 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 5.333 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

More info
Recorded aftershocks, latest first (2 quakes):
  • 15 Apr 1998 10:23 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 12 Apr 1998 16:51 UTC
    | M 3.9 |
    33 km (20.5 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area since 1900


Map of earlier quakes

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