QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00000z7
USGS usp00000z7
17 Mar 1973, 08:30
13 km ENE of San Andres, Philippines
A magnitude 7 ms earthquake at 33 km depth.
Published location
Where is 13 km ENE of San Andres, 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.
13.372000, 122.787000
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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
usp00000z7
Coordinates
13.372, 122.787
Network
us
Significance
754