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Observation record / USGS 地震速报

M 2.8 - 28 km WNW of Nanwalek, Alaska

First seen 10/21, 11:26 · Last observed 10/22, 00:00 · Source data is current

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Title-based outlineM 2.8 - 28 km WNW of Nanwalek, Alaska

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

Published 10/21, 11:21

30 minutesRank movement-1

Baseline observed 10/21, 23:30

1 hourRank movement-2

Baseline observed 10/21, 22:59

24 hoursRank movement—

Building history

Publication position history

76 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
10/22, 00:00	14
10/21, 23:50	13
10/21, 23:40	13
10/21, 23:30	13
10/21, 23:20	13
10/21, 23:10	12
10/21, 22:59	12
10/21, 22:49	12
10/21, 22:39	12
10/21, 22:29	12
10/21, 22:19	12
10/21, 22:09	11
10/21, 21:59	11
10/21, 21:49	11
10/21, 21:39	11
10/21, 21:29	11
10/21, 21:19	11
10/21, 21:09	11
10/21, 20:59	11
10/21, 20:48	10
10/21, 20:38	10
10/21, 20:28	10
10/21, 20:18	10
10/21, 20:08	10
10/21, 19:58	9
10/21, 19:48	9
10/21, 19:38	9
10/21, 19:28	8
10/21, 19:18	8
10/21, 19:08	8
10/21, 18:58	8
10/21, 18:48	8
10/21, 18:38	8
10/21, 18:28	8
10/21, 18:18	8
10/21, 18:08	8
10/21, 17:58	7
10/21, 17:48	7
10/21, 17:38	6
10/21, 17:28	6
10/21, 17:17	6
10/21, 17:07	6
10/21, 16:57	6
10/21, 16:47	5
10/21, 16:37	5
10/21, 16:27	5
10/21, 16:17	5
10/21, 16:07	5
10/21, 15:57	4
10/21, 15:47	4
10/21, 15:37	4
10/21, 15:27	4
10/21, 15:17	4
10/21, 15:07	4
10/21, 14:57	4
10/21, 14:47	4
10/21, 14:37	4
10/21, 14:27	4
10/21, 14:17	4
10/21, 14:07	4
10/21, 13:57	4
10/21, 13:47	4
10/21, 13:37	4
10/21, 13:27	3
10/21, 13:16	3
10/21, 13:06	3
10/21, 12:56	3
10/21, 12:46	3
10/21, 12:36	2
10/21, 12:26	2
10/21, 12:16	2
10/21, 12:06	1
10/21, 11:56	1
10/21, 11:46	1
10/21, 11:36	1
10/21, 11:26	1

Daily aggregate history

日期	Best daily position	Last daily position	Observations
2026-10-21	1	13	75
2026-10-22	14	14	1