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Observation record / USGS 地震速报
M 4.2 - 184 km ENE of Nagqu, China
First seen 10/23, 11:30 · Last observed 10/23, 13:50 · Source data is current
Read the original source ↗Title-based outlineM 4.2 - 184 km ENE of Nagqu, China
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 10/23, 13:20
1 hourRank movement-1
Baseline observed 10/23, 12:50
24 hoursRank movement—
Building history
Publication position history
15 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 |
|---|---|
| 10/23, 13:50 | 2 |
| 10/23, 13:40 | 1 |
| 10/23, 13:30 | 1 |
| 10/23, 13:20 | 1 |
| 10/23, 13:10 | 1 |
| 10/23, 13:00 | 1 |
| 10/23, 12:50 | 1 |
| 10/23, 12:40 | 1 |
| 10/23, 12:30 | 1 |
| 10/23, 12:20 | 1 |
| 10/23, 12:10 | 1 |
| 10/23, 12:00 | 1 |
| 10/23, 11:50 | 1 |
| 10/23, 11:40 | 1 |
| 10/23, 11:30 | 1 |
Daily aggregate history
| 日期 | Best daily position | Last daily position | Observations |
|---|---|---|---|
| 2026-10-23 | 1 | 2 | 15 |