QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000aa09
USGS usp000aa09

20 Feb 2001, 21:33

7 km E of San Sebastian, Philippines

A magnitude 5.1 mwc earthquake at 40.9 km depth.

Depth40.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated29 April 2022Latest timestamp stored in this record

Published location

Where is 7 km E of San Sebastian, 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.

11.718000, 125.087000

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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 5.1

22 km ESE of San Pablo, Philippines

M 5.1

12 km SSE of Maslog, Philippines

M 5.1

27 km WSW of Bonawon, Philippines

M 5.1

1 km S of Mabahin, Philippines

M 5.1

11 km E of Baganga, Philippines

M 5.1

8 km SW of Del Carmen, Surigao del Norte, Philippines

Catalog fields and provenance
Event ID
usp000aa09
Coordinates
11.718, 125.087
Network
us
Significance
400