QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem886693
USGS iscgem886693
11 Jun 1957, 19:49
12 km W of Sinait, Philippines
A magnitude 6.5 mw earthquake at 45 km depth.
Published location
Where is 12 km W of Sinait, 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.
17.866000, 120.341000
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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
iscgem886693
Coordinates
17.866, 120.341
Network
iscgem
Significance
652