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USGS iscgem902989

9 Mar 1937, 15:40

14 km SE of Ciudad Cortés, Costa Rica

A magnitude 6.4 mw earthquake at 20 km depth.

Depth20 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 14 km SE 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.

8.850000, -83.445000

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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

4 km ESE of Ciudad Cortés, Costa Rica

11 km SSW of El Rosario, Nicaragua

11 km E of Paquera, Costa Rica

8 km SSE of Ciudad Cortés, Costa Rica

55 km SSE of Sámara, Costa Rica

Catalog fields and provenance

Event ID

iscgem902989

Coordinates

8.85, -83.445

Network

iscgem

Significance

630