QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0009a3f
USGS usp0009a3f
18 Jun 1999, 11:55
106 km SSE of Pondaguitan, Philippines
A magnitude 6.4 mwc earthquake at 33 km depth.
Published location
Where is 106 km SSE of Pondaguitan, 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.
5.514000, 126.639000
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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
usp0009a3f
Coordinates
5.514, 126.639
Network
us
Significance
630