QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00034f9
USGS usp00034f9
25 Apr 1987, 13:16
4 km N of Canaoalan, Philippines
A magnitude 6.9 mw earthquake at 107 km depth.
Published location
Where is 4 km N of Canaoalan, 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.
16.066000, 120.301000
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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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Catalog fields and provenance
Event ID
usp00034f9
Coordinates
16.066, 120.301
Network
us
Significance
732