QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000fphz
USGS us7000fphz

28 Oct 2021, 20:06

95 km SSE of Perryville, Alaska

A magnitude 5.1 mww earthquake at 28 km depth.

Depth28 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 95 km SSE of Perryville, Alaska?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

55.073200, -158.837300

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

M 5.1

116 km SSE of King Cove, Alaska

M 5.1

71 km SE of King Cove, Alaska

M 5.1

79 km SE of King Cove, Alaska

M 5.1

57 km SSE of Sand Point, Alaska

M 5.1

65 km ESE of King Cove, Alaska

M 5.1

104 km SE of False Pass, Alaska

Catalog fields and provenance
Event ID
us7000fphz
Coordinates
55.0732, -158.8373
Network
us
Significance
401