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Observation record / USGS 地震速报
M 2.9 - 38 km WNW of Ninilchik, Alaska
First seen 10/21, 19:38 · Last observed 10/22, 00:00 · Source data is current
Read the original source ↗Title-based outlineM 2.9 - 38 km WNW of Ninilchik, Alaska
Why it mattersOriginal USGS magnitude and event time for checking records. Magnitude is not popularity, an impact assessment or an early warning.
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
27 observationsPublication 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 | 6 |
| 10/21, 23:50 | 5 |
| 10/21, 23:40 | 5 |
| 10/21, 23:30 | 5 |
| 10/21, 23:20 | 5 |
| 10/21, 23:10 | 4 |
| 10/21, 22:59 | 4 |
| 10/21, 22:49 | 4 |
| 10/21, 22:39 | 4 |
| 10/21, 22:29 | 4 |
| 10/21, 22:19 | 4 |
| 10/21, 22:09 | 3 |
| 10/21, 21:59 | 3 |
| 10/21, 21:49 | 3 |
| 10/21, 21:39 | 3 |
| 10/21, 21:29 | 3 |
| 10/21, 21:19 | 3 |
| 10/21, 21:09 | 3 |
| 10/21, 20:59 | 3 |
| 10/21, 20:48 | 2 |
| 10/21, 20:38 | 2 |
| 10/21, 20:28 | 2 |
| 10/21, 20:18 | 2 |
| 10/21, 20:08 | 2 |
| 10/21, 19:58 | 1 |
| 10/21, 19:48 | 1 |
| 10/21, 19:38 | 1 |
Daily aggregate history
| 日期 | Best daily position | Last daily position | Observations |
|---|---|---|---|
| 2026-10-21 | 1 | 5 | 26 |
| 2026-10-22 | 6 | 6 | 1 |