QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00000vx
USGS usp00000vx

9 Mar 1973, 10:06

128 km E of Pondaguitan, Philippines

A magnitude 6 mb earthquake at 55 km depth.

Depth55 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 128 km E 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.

6.274000, 127.336000

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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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Continue exploring

Nearby events with a similar magnitude

M 6

58 km SSW of Katubao, Philippines

M 6

11 km SSW of Rimpeso, Philippines

M 6

49 km SSE of Malim, Philippines

M 6

191 km SE of Pondaguitan, Philippines

M 6

41 km S of Pondaguitan, Philippines

M 6

109 km ESE of Pondaguitan, Philippines

Catalog fields and provenance
Event ID
usp00000vx
Coordinates
6.274, 127.336
Network
us
Significance
554