QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem887045
USGS iscgem887045
18 Aug 1957, 09:37
9 km NNE of Palanas, Philippines
A magnitude 6.5 mw earthquake at 20 km depth.
Published location
Where is 9 km NNE of Palanas, 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.
12.221000, 123.959000
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
iscgem887045
Coordinates
12.221, 123.959
Network
iscgem
Significance
646