QQuakeFacts
USGS iscgem796476

8 Apr 1970, 22:23

35 km E of Dingalan, Philippines

A magnitude 6.5 mw earthquake at 27.5 km depth.

Depth27.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 35 km E of Dingalan, 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.

15.447000, 121.715000

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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
iscgem796476
Coordinates
15.447, 121.715
Network
iscgem
Significance
654