QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000huac
USGS usp000huac
10 Feb 2011, 14:41
250 km SSE of Tabiauan, Philippines
A magnitude 6.6 mwb earthquake at 525 km depth.
Published location
Where is 250 km SSE of Tabiauan, 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.
4.077000, 123.039000
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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
usp000huac
Coordinates
4.077, 123.039
Network
us
Significance
674