← Back to radar

Observation record / USGS 地震速报

M 3.1 - 80 km WNW of Ferndale, CA

First seen 10/20, 15:51 · Last observed 10/21, 06:05 · Source data is current

Read the original source ↗

Title-based outlineM 3.1 - 80 km WNW of Ferndale, CA

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

Published 10/20, 15:39

30 minutesRank movement—

Building history

1 hourRank movement—

Building history

24 hoursRank movement—

Building history

Publication position history

86 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
10/21, 06:05	30
10/21, 05:55	30
10/21, 05:45	30
10/21, 05:34	30
10/21, 05:24	30
10/21, 05:14	30
10/21, 05:04	30
10/21, 04:54	29
10/21, 04:44	29
10/21, 04:34	28
10/21, 04:24	27
10/21, 04:14	27
10/21, 04:04	27
10/21, 03:54	27
10/21, 03:44	27
10/21, 03:34	27
10/21, 03:24	26
10/21, 03:14	26
10/21, 03:04	25
10/21, 02:54	24
10/21, 02:44	24
10/21, 02:34	23
10/21, 02:24	23
10/21, 02:14	22
10/21, 02:03	22
10/21, 01:53	22
10/21, 01:43	21
10/21, 01:33	21
10/21, 01:23	21
10/21, 01:13	19
10/21, 01:03	19
10/21, 00:53	18
10/21, 00:43	17
10/21, 00:33	16
10/21, 00:23	14
10/21, 00:13	14
10/21, 00:03	13
10/20, 23:53	13
10/20, 23:43	13
10/20, 23:33	13
10/20, 23:23	13
10/20, 23:13	13
10/20, 23:03	13
10/20, 22:53	13
10/20, 22:43	11
10/20, 22:32	11
10/20, 22:22	11
10/20, 22:12	11
10/20, 22:02	11
10/20, 21:52	11
10/20, 21:42	10
10/20, 21:32	10
10/20, 21:22	10
10/20, 21:12	10
10/20, 21:02	10
10/20, 20:52	10
10/20, 20:42	10
10/20, 20:32	10
10/20, 20:22	9
10/20, 20:12	9
10/20, 20:02	9
10/20, 19:52	9
10/20, 19:42	9
10/20, 19:32	9
10/20, 19:22	9
10/20, 19:12	9
10/20, 19:02	9
10/20, 18:52	9
10/20, 18:42	8
10/20, 18:32	7
10/20, 18:21	7
10/20, 18:11	7
10/20, 18:01	7
10/20, 17:51	7
10/20, 17:41	7
10/20, 17:31	6
10/20, 17:21	5
10/20, 17:11	5
10/20, 17:01	4
10/20, 16:51	4
10/20, 16:41	2
10/20, 16:31	2
10/20, 16:21	2
10/20, 16:11	2
10/20, 16:01	2
10/20, 15:51	1

Daily aggregate history

日期	Best daily position	Last daily position	Observations
2026-10-20	1	13	49
2026-10-21	13	30	37