QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000g88u
USGS usp000g88u

1 Jun 2008, 02:57

74 km WSW of Basco, Philippines

A magnitude 6.3 mwc earthquake at 31 km depth.

Depth31 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated13 July 2022Latest timestamp stored in this record

Published location

Where is 74 km WSW 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.

20.124000, 121.350000

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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

59 km NE of Hengchun, Taiwan

M 6.3

13 km E of Basco, Philippines

M 6.3

63 km W of Basco, Philippines

M 6.3

113 km ESE of Hengchun, Taiwan

M 6.3

167 km SSW of Hengchun, Taiwan

M 6.29

100 km SW of Kaohsiung, Taiwan

Catalog fields and provenance
Event ID
usp000g88u
Coordinates
20.124, 121.35
Network
us
Significance
620