QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004rxb
USGS usp0004rxb
21 May 1991, 12:00
106 km N of Baukau, Timor Leste
A magnitude 6.6 mw earthquake at 18.4 km depth.
Published location
Where is 106 km N of Baukau, Timor Leste?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-7.517000, 126.539000
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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
usp0004rxb
Coordinates
-7.517, 126.539
Network
us
Significance
670