QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000bzc0
USGS usp000bzc0
8 Jun 2003, 07:12
83 km SW of Basco, Philippines
A magnitude 5.4 mwb earthquake at 46.2 km depth.
Published location
Where is 83 km SW 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.
19.900000, 121.424000
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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
usp000bzc0
Coordinates
19.9, 121.424
Network
us
Significance
449