Observed earthquake
15 km W of Petrolia, CA
Recent observationReported by 1 agency. Every solution below is that agency's own measurement, stored unaltered.
Magnitude
1.7md
Depth
19 km
shallow
Origin time
2026-10-27 05:12:56 UTC
20 h ago
Epicentre
40.30°N, 124.46°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 | M1.7 md | 19 km | 2026-10-27 05:12:56 UTC | 40.30°N, 124.46°W | Preliminary / automatic7 stations | nc75455496 ↗ |
Source: Earthquake data courtesy of the U.S. Geological Survey. · Retrieved: 2026-10-27 13:25:48 UTC