QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000ck1
USGS usp0000ck1

23 Aug 1975, 16:06

16 km NE of Cagdianao, Philippines

A magnitude 6 mb earthquake at 40 km depth.

Depth40 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 January 2026Latest timestamp stored in this record

Published location

Where is 16 km NE of Cagdianao, 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.

10.013000, 125.791000

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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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M 6

19 km ESE of Lazi, Philippines

M 6

19 km NW of San Benito, Philippines

Catalog fields and provenance
Event ID
usp0000ck1
Coordinates
10.013, 125.791
Network
us
Significance
554