QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem887884
USGS iscgem887884

29 Jan 1956, 22:20

Philippine Islands region

A magnitude 6.1 mw earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is Philippine Islands region?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

20.855000, 120.891000

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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 6.12

104 km WNW of Pagsanahan Norte, Philippines

M 6.12

110 km SW of Basco, Philippines

M 6.13

97 km ENE of Hengchun, Taiwan

M 6.11

30 km NE of Piddig, Philippines

M 6.13

55 km N of Namuac, Philippines

M 6.11

106 km SSE of Hengchun, Taiwan

Catalog fields and provenance
Event ID
iscgem887884
Coordinates
20.855, 120.891
Network
iscgem
Significance
576