Observed earthquake
5 km SE of Ontario, CA
Recent observationReported by 1 agency. Every solution below is that agency's own measurement, stored unaltered.
Magnitude
1.6ml
Depth
5.5 km
shallow
Origin time
2026-10-09 21:48:51 UTC
24 d ago
Epicentre
34.02°N, 117.59°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 ml | 5.3 km | 2026-10-09 21:48:51 UTC | 34.02°N, 117.59°W | Reviewed by an analyst68 stations | ci41345799 ↗ |
Source: Earthquake data courtesy of the U.S. Geological Survey. · Retrieved: 2026-10-09 22:02:46 UTC