QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000gt09
USGS usp000gt09
23 Jan 2009, 12:38
106 km NW of Basco, Philippines
A magnitude 5.3 mwc earthquake at 10 km depth.
Published location
Where is 106 km NW 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.
21.118000, 121.240000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp000gt09
Coordinates
21.118, 121.24
Network
us
Significance
432