QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup913239
USGS iscgemsup913239
18 Aug 1918, 07:04
225 km SSW of Malisbeng, Philippines
A magnitude 6.1 mw earthquake at 15 km depth.
Published location
Where is 225 km SSW of Malisbeng, 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.
4.367000, 123.321000
Open the interactive map ↗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.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgemsup913239
Coordinates
4.367, 123.321
Network
iscgemsup
Significance
576