QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004n74
USGS usp0004n74
21 Feb 1991, 02:35
Bering Sea
A magnitude 6.7 mw earthquake at 20.2 km depth.
Published location
Where is Bering Sea?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
58.427000, -175.450000
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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.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Catalog fields and provenance
Event ID
usp0004n74
Coordinates
58.427, -175.45
Network
us
Significance
691