QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem889384
USGS iscgem889384
31 Mar 1955, 18:17
Mindanao, Philippines
A magnitude 7.4 mw earthquake at 35 km depth.
Published location
Where is Mindanao, 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.
7.658000, 123.157000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem889384
Coordinates
7.658, 123.157
Network
iscgem
Significance
836