QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000by81
USGS usp000by81
27 May 2003, 00:26
15 km W of Gadung, Philippines
A magnitude 5.9 mb earthquake at 583.5 km depth.
Published location
Where is 15 km W of Gadung, 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.
6.812000, 123.880000
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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
usp000by81
Coordinates
6.812, 123.88
Network
us
Significance
536