QQuakeFacts
USGS us2000ads0

1 Sept 2017, 08:42

7 km SW of Nicoya, Costa Rica

A magnitude 5.4 mww earthquake at 27.8 km depth.

Depth27.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 August 2022Latest timestamp stored in this record

Published location

Where is 7 km SW of Nicoya, 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.

10.113000, -85.503500

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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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Catalog fields and provenance
Event ID
us2000ads0
Coordinates
10.113, -85.5035
Network
us
Significance
499