QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j0rx
USGS usp000j0rx
29 Apr 2011, 14:12
75 km N of Basco, Philippines
A magnitude 5.3 mww earthquake at 181.1 km depth.
Published location
Where is 75 km N of Basco, 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.
21.134000, 122.008000
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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
usp000j0rx
Coordinates
21.134, 122.008
Network
us
Significance
437