QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem16958164
USGS iscgem16958164

22 Sept 1911, 05:01

27 km ENE of Whittier, Alaska

A magnitude 6.3 mw earthquake at 25 km depth.

Depth25 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated17 August 2025Latest timestamp stored in this record

Published location

Where is 27 km ENE of Whittier, 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.

60.888000, -148.246000

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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 6.3

Central Alaska

M 6.25

16 km WNW of Happy Valley, Alaska

M 6.24

43 km ESE of Halibut Cove, Alaska

M 6.33

37 km SSE of Lowell Point, Alaska

M 6.2

27 km NNE of Ouzinkie, Alaska

M 6.36

138 km SE of Halibut Cove, Alaska

Catalog fields and provenance
Event ID
iscgem16958164
Coordinates
60.888, -148.246
Network
iscgem
Significance
607