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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

81 km S of Sand Point, Alaska earthquake sequence

Active Gardner–Knopoff windows · 20.10.2026 13:40 – ongoing

Earthquakes
9
Largest
M5,0

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
5.0 81 km S of Sand Point, Alaska 20.10.2026 13:40 35,0 km
2.9 92 km S of Sand Point, Alaska 21.10.2026 05:07 8,2 km
2.9 87 km S of Sand Point, Alaska 21.10.2026 13:53 5,9 km
3.1 88 km S of Sand Point, Alaska 21.10.2026 17:55 3,3 km
2.6 97 km SSE of Sand Point, Alaska 28.10.2026 02:33 14,6 km
3.0 108 km SSE of Sand Point, Alaska 30.10.2026 20:32 20,4 km
3.0 101 km S of Sand Point, Alaska 31.10.2026 03:04 5,0 km
2.7 91 km SSE of Sand Point, Alaska 04.11.2026 02:47 2,4 km
2.6 105 km SSE of Sand Point, Alaska 04.11.2026 02:48 14,3 km

Sequences group earthquakes that have occurred by proximity in time and location (Gardner–Knopoff windows, Poisson rate test). Follow AFAD and Kandilli Observatory for official assessments. (Gardner & Knopoff (1974))