QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00064xw
USGS usp00064xw
10 Dec 1993, 08:59
88 km NW of Basco, Philippines
A magnitude 6.1 mwb earthquake at 12 km depth.
Published location
Where is 88 km NW of Basco, 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.
20.912000, 121.282000
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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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Catalog fields and provenance
Event ID
usp00064xw
Coordinates
20.912, 121.282
Network
us
Significance
572