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Observation record / USGS 地震速报

M 4.2 - 99 km SSE of Sand Point, Alaska

First seen 10/23, 15:00 · Last observed 10/23, 18:52 · Source data is current

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Title-based outlineM 4.2 - 99 km SSE of Sand Point, Alaska

Why it mattersOriginal USGS magnitude and event time for checking records. Magnitude is not popularity, an impact assessment or an early warning.

Published 10/23, 14:44

30 minutesRank movement—

Building history

1 hourRank movement-2

Baseline observed 10/23, 17:51

24 hoursRank movement—

Building history

Publication position history

24 observations

Publication feed in source order. Position changes do not count as heat or momentum.

1510/23, 15:00 · 1 places10/23, 15:11 · 1 places10/23, 15:21 · 2 places10/23, 15:31 · 2 places10/23, 15:41 · 2 places10/23, 15:51 · 2 places10/23, 16:01 · 2 places10/23, 16:11 · 2 places10/23, 16:21 · 2 places10/23, 16:31 · 2 places10/23, 16:41 · 2 places10/23, 16:51 · 2 places10/23, 17:01 · 2 places10/23, 17:11 · 2 places10/23, 17:21 · 2 places10/23, 17:31 · 3 places10/23, 17:41 · 3 places10/23, 17:51 · 3 places10/23, 18:01 · 3 places10/23, 18:11 · 4 places10/23, 18:21 · 4 places10/23, 18:31 · 4 places10/23, 18:42 · 5 places10/23, 18:52 · 5 places10/23, 15:0010/23, 18:52
USGS public domain; attribution
View original observation times and ranks
Observation time (Beijing)Source position
10/23, 18:525
10/23, 18:425
10/23, 18:314
10/23, 18:214
10/23, 18:114
10/23, 18:013
10/23, 17:513
10/23, 17:413
10/23, 17:313
10/23, 17:212
10/23, 17:112
10/23, 17:012
10/23, 16:512
10/23, 16:412
10/23, 16:312
10/23, 16:212
10/23, 16:112
10/23, 16:012
10/23, 15:512
10/23, 15:412
10/23, 15:312
10/23, 15:212
10/23, 15:111
10/23, 15:001
Daily aggregate history
日期Best daily positionLast daily positionObservations
2026-10-231524