QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000d6su
USGS usp000d6su
21 Oct 2004, 14:45
69 km E of Union, Philippines
A magnitude 5.1 mwc earthquake at 70.2 km depth.
Published location
Where is 69 km E of Union, 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.
9.656000, 126.732000
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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
usp000d6su
Coordinates
9.656, 126.732
Network
us
Significance
400