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Observation record / USGS 地震速报

M 3.9 - 107 km SSE of Adak, Alaska

First seen 10/17, 12:22 · Last observed 10/18, 03:25 · Source data is current

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Title-based outlineM 3.9 - 107 km SSE of Adak, Alaska

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

This content was published earlier. Fetch success does not imply freshness.

Published 10/17, 11:33

30 minutesRank movement—

Building history

1 hourRank movement—

Building history

24 hoursRank movement—

Building history

Publication position history

91 observations

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

USGS public domain; attribution

View original observation times and ranks

Observation time (Beijing)	Source position
10/18, 03:25	30
10/18, 03:15	29
10/18, 03:05	29
10/18, 02:55	29
10/18, 02:45	29
10/18, 02:34	29
10/18, 02:24	28
10/18, 02:14	28
10/18, 02:04	28
10/18, 01:54	28
10/18, 01:44	28
10/18, 01:34	28
10/18, 01:24	28
10/18, 01:14	27
10/18, 01:04	26
10/18, 00:54	26
10/18, 00:44	26
10/18, 00:34	23
10/18, 00:24	23
10/18, 00:14	23
10/18, 00:04	22
10/17, 23:54	21
10/17, 23:44	21
10/17, 23:34	20
10/17, 23:24	19
10/17, 23:14	19
10/17, 23:04	19
10/17, 22:54	19
10/17, 22:44	19
10/17, 22:34	19
10/17, 22:24	19
10/17, 22:14	18
10/17, 22:04	18
10/17, 21:54	18
10/17, 21:44	17
10/17, 21:34	17
10/17, 21:23	17
10/17, 21:13	17
10/17, 21:03	17
10/17, 20:53	17
10/17, 20:43	17
10/17, 20:33	17
10/17, 20:23	17
10/17, 20:13	16
10/17, 20:03	16
10/17, 19:53	16
10/17, 19:43	16
10/17, 19:33	16
10/17, 19:23	16
10/17, 19:13	16
10/17, 19:03	16
10/17, 18:53	16
10/17, 18:43	16
10/17, 18:33	16
10/17, 18:23	16
10/17, 18:13	16
10/17, 18:03	15
10/17, 17:53	15
10/17, 17:43	15
10/17, 17:33	15
10/17, 17:23	14
10/17, 17:13	13
10/17, 17:03	13
10/17, 16:53	13
10/17, 16:43	12
10/17, 16:33	12
10/17, 16:23	12
10/17, 16:13	11
10/17, 16:03	11
10/17, 15:52	10
10/17, 15:42	10
10/17, 15:32	8
10/17, 15:22	7
10/17, 15:12	6
10/17, 15:02	6
10/17, 14:52	6
10/17, 14:42	6
10/17, 14:32	6
10/17, 14:22	6
10/17, 14:12	6
10/17, 14:02	5
10/17, 13:52	5
10/17, 13:42	5
10/17, 13:32	5
10/17, 13:22	4
10/17, 13:12	4
10/17, 13:02	4
10/17, 12:52	4
10/17, 12:42	3
10/17, 12:32	2
10/17, 12:22	2

Daily aggregate history

日期	Best daily position	Last daily position	Observations
2026-10-17	2	21	70
2026-10-18	22	30	21