Location history for this earthquake. The automatic earthquake location system makes many locations for each quake. Not all quakes have a location history.
The magnitude history for this event. The most recent value is shown as a larger circle and also labeled: c: caution, g: good b: best (reviewed by a duty person).
The depth history for this event. The most recent value is shown as a larger circle and also labeled; c: caution, g: good b: best (reviewed by a duty person).
| Modification Time | Quality | Magnitude | Depth | Latitude | Longitude |
|---|---|---|---|---|---|
| 2025-12-08T22:28:54Z | best | 6.6 | 10.0 | 40.99 | 143.15 |
| 2025-12-08T22:10:09Z | preliminary | 6.5 | 33.0 | 41.41 | 142.89 |
| 2025-12-08T22:10:09Z | preliminary | 6.3 | 33.0 | 41.41 | 142.89 |