QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h2c1
USGS usp000h2c1
4 Oct 2009, 11:58
71 km W of Gadung, Philippines
A magnitude 6.6 mwc earthquake at 620 km depth.
Published location
Where is 71 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.
6.740000, 123.378000
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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
usp000h2c1
Coordinates
6.74, 123.378
Network
us
Significance
671