Observed earthquake
20 km WSW of Petrolia, CA
Recent observationReported by 1 agency. Every solution below is that agency's own measurement, stored unaltered.
Magnitude
2.3md
Depth
1.9 km
shallow
Origin time
2026-10-10 16:18:13 UTC
23 d ago
Epicentre
40.25°N, 124.50°W
Agency solutions
The same earthquake as measured independently by each agency. Values are never averaged or rewritten.
| Agency | Magnitude | Depth | Origin time | Epicentre | Review status | Source record |
|---|---|---|---|---|---|---|
| USGSUnited States Geological Survey | M2.3 md | 1.9 km | 2026-10-10 16:18:13 UTC | 40.25°N, 124.50°W | Preliminary / automatic10 stations | nc75447391 ↗ |
Source: Earthquake data courtesy of the U.S. Geological Survey. · Retrieved: 2026-10-10 16:22:14 UTC