QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00010cy
USGS usp00010cy

1 May 1979, 01:39

Mindanao, Philippines

A magnitude 6 ms earthquake at 23 km depth.

Depth23 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is Mindanao, 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.

9.330000, 125.614000

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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

M 6

6 km NW of Mahanob, Philippines

M 6

28 km NE of Cortes, Philippines

M 6

32 km E of Loreto, Philippines

M 6

3 km ENE of Arteche, Philippines

M 6

19 km ESE of Lazi, Philippines

M 6

16 km NE of Cagdianao, Philippines

Catalog fields and provenance
Event ID
usp00010cy
Coordinates
9.33, 125.614
Network
us
Significance
554