QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004ze3
USGS usp0004ze3

21 Nov 1991, 12:38

96 km SE of Pondaguitan, Philippines

A magnitude 6.3 mwb earthquake at 73.3 km depth.

Depth73.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 96 km SE of Pondaguitan, 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.

5.782000, 126.832000

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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 6.3

229 km NNW of Tobelo, Indonesia

M 6.3

77 km ESE of Mangili, Philippines

M 6.3

93 km SSE of Pondaguitan, Philippines

M 6.3

228 km SSE of Sarangani, Philippines

M 6.3

239 km SSE of Sarangani, Philippines

M 6.3

3 km S of Lais, Philippines

Catalog fields and provenance
Event ID
usp0004ze3
Coordinates
5.782, 126.832
Network
us
Significance
611