QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000fefr
USGS usp000fefr

21 Jun 2007, 05:08

78 km NW of Basco, Philippines

A magnitude 5.1 mwc earthquake at 64.7 km depth.

Depth64.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 78 km NW of Basco, 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.

20.982000, 121.480000

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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

59 km N of Namuac, Philippines

M 5.1

88 km ESE of Hengchun, Taiwan

M 5.1

41 km N of Pagudpud, Philippines

M 5.1

63 km NW of Basco, Philippines

M 5.1

49 km NNE of Namuac, Philippines

M 5.1

19 km E of San Vicente, Philippines

Catalog fields and provenance
Event ID
usp000fefr
Coordinates
20.982, 121.48
Network
us
Significance
400