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USGS usp00048ju

28 Apr 1990, 02:23

8 km SSE of Ciudad Cortés, Costa Rica

A magnitude 6.4 mw earthquake at 22.7 km depth.

Depth22.7 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 8 km SSE of Ciudad Cortés, Costa Rica?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

8.887000, -83.500000

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Map data © OpenStreetMap contributors

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

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Nearby events with a similar magnitude

144 km SW of Masachapa, Nicaragua

14 km SE of Ciudad Cortés, Costa Rica

4 km ESE of Ciudad Cortés, Costa Rica

11 km SSW of El Rosario, Nicaragua

11 km E of Paquera, Costa Rica

55 km SSE of Sámara, Costa Rica

Catalog fields and provenance

Event ID

usp00048ju

Coordinates

8.887, -83.5

Network

us

Significance

630