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4.2MAG

LIGHT EARTHQUAKE

99 km SSE of Sand Point, Alaska

USGS

A magnitude 4.2 earthquake struck 99 km SSE of Sand Point, Alaska on 23 Oct 2026, 06:44 UTC. The hypocentre was 36.9 km below the surface — shallow by seismological convention. 3 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth
36.9 km

shallow

Latitude
54.60°N

159.64°W longitude

Time
06:44 UTC

23 Oct 2026

Magnitude
M4.2

mb

EPICENTRE

View the official report↗

MAGNITUDE 4.2

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 63 times the energy of a magnitude 3.0, roughly the energy of 30 tonnes of TNT.

36.9 KM DEEP

Shallow earthquakes release their energy close to the surface, so they are felt more strongly, and do more damage, than deeper earthquakes of the same magnitude.

NEARBY IN THE PAST 30 DAYS

3 earthquakes above our reporting threshold within 250 km of this one, the largest a magnitude 5.0.

OTHER RECENT EARTHQUAKES

M4.2 earthquake — Sand Point, Alaska · Quakewire