QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00003g4
USGS usp00003g4
20 Sept 1973, 21:43
19 km ESE of Lazi, Philippines
A magnitude 6 mb earthquake at 560 km depth.
Published location
Where is 19 km ESE of Lazi, 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.
9.048000, 123.789000
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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
usp00003g4
Coordinates
9.048, 123.789
Network
us
Significance
554