QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem909963
USGS iscgem909963
2 Aug 1926, 06:01
21 km SW of Calolbon, Philippines
A magnitude 6.7 mw earthquake at 15 km depth.
Published location
Where is 21 km SW of Calolbon, 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.
13.438000, 123.990000
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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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Catalog fields and provenance
Event ID
iscgem909963
Coordinates
13.438, 123.99
Network
iscgem
Significance
699