QQuakeFacts
USGS usp0004bxs

16 Jul 1990, 08:26

4 km E of Macapsing, Philippines

A magnitude 7.7 mw earthquake at 25.1 km depth.

Depth25.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 4 km E of Macapsing, Philippines?

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

15.679000, 121.172000

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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
usp0004bxs
Coordinates
15.679, 121.172
Network
us
Significance
912