QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup610548664
USGS iscgemsup610548664
11 Oct 1906, 05:10
5 km SSW of Mantalongon, Philippines
A magnitude 6.5 mw earthquake at 15 km depth.
Published location
Where is 5 km SSW of Mantalongon, 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.
10.078000, 123.560000
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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
iscgemsup610548664
Coordinates
10.078, 123.56
Network
iscgemsup
Significance
646