Earthquake 6 km ESE of Ontario, CA (0.9 ml) (2025-07-31 07:23:57 UTC)
A 0.9 magnitude earthquake struck on 6 km ESE of Ontario, CA, at 2025-07-31 07:23:57 UTC. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of ml and was felt in surrounding areas. Stay updated on earthquake activity in 6 km ESE of Ontario, CA
Recommendation
Minor Earthquake
Minor Earthquake
Action
No need for significant action. These tremors are typically imperceptible or barely felt.
Suggestion
Remain calm and observe. These are often harmless and not a cause for concern.
Magnitudo (ml)
0.9
Automatic
USGS
Summary
- Intensity: 0
- Tsunami: 0
- ID: usgs_ci41249184
Nearest Places
- Champagne / 0.68 km
- Everest College / 0.75 km
- Interchange 108 / 1.32 km
- Ontario Fire Department Station 7 / 1.47 km
- Holiday Inn Express Hotel & Suites Ontario Airport / 1.79 km
Comment
Latest Earthquake
2.0
WESTERN TURKEY
Time:
Depth: 5.40 km
Source: EMSC (Automatic)
Time:
Depth: 5.40 km
Source: EMSC (Automatic)
2.7
WESTERN TURKEY
Time:
Depth: 14.90 km
Source: EMSC (Automatic)
Time:
Depth: 14.90 km
Source: EMSC (Automatic)
3.3
OFFSHORE GUATEMALA
Time:
Depth: 9.00 km
Source: EMSC (Automatic)
Time:
Depth: 9.00 km
Source: EMSC (Automatic)
0.9
7 km NNW of The Geysers, CA
Time:
Depth: 2.22 km
Source: USGS (Automatic)
Time:
Depth: 2.22 km
Source: USGS (Automatic)
1.4
EASTERN TURKEY
Time:
Depth: 7.00 km
Source: EMSC (Automatic)
Time:
Depth: 7.00 km
Source: EMSC (Automatic)
Nearest Earthquake
1.3
5 km N of Fontana, CA
Time:
Depth: 8.01 km
Source: USGS (Automatic)
Time:
Depth: 8.01 km
Source: USGS (Automatic)
1.6
6 km SSE of Home Gardens, CA
Time:
Depth: -0.43 km
Source: USGS (Automatic)
Time:
Depth: -0.43 km
Source: USGS (Automatic)
1.0
4 km S of Idyllwild, CA
Time:
Depth: 20.30 km
Source: USGS (Automatic)
Time:
Depth: 20.30 km
Source: USGS (Automatic)
1.0
10 km W of Anza, CA
Time:
Depth: 2.49 km
Source: USGS (Automatic)
Time:
Depth: 2.49 km
Source: USGS (Automatic)
1.4
5 km NW of Rialto, CA
Time:
Depth: 4.81 km
Source: USGS (Automatic)
Time:
Depth: 4.81 km
Source: USGS (Automatic)