QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00092ck
USGS usp00092ck

6 Feb 1999, 17:45

66 km N of Namuac, Philippines

A magnitude 6 mwc earthquake at 33 km depth.

Depth33 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated29 April 2022Latest timestamp stored in this record

Published location

Where is 66 km N of Namuac, 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.

19.200000, 121.265000

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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

80 km SE of Hengchun, Taiwan

M 6

41 km NW of San Vicente, Philippines

M 6

81 km SW of Basco, Philippines

M 6

39 km NNE of Namuac, Philippines

M 6

26 km NNW of Claveria, Philippines

M 6

100 km E of Hengchun, Taiwan

Catalog fields and provenance
Event ID
usp00092ck
Coordinates
19.2, 121.265
Network
us
Significance
554