Earthquake 6 km NW of Rialto, CA (1.3 ml) (2025-08-03 11:47:35 UTC)

1754221655

34.1472, -117.4185

5.11 KM

A 1.3 magnitude earthquake struck on 6 km NW of Rialto, CA, at 2025-08-03 11:47:35 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 NW of Rialto, CA

Recommendation
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.

Earthquake 6 km NW of Rialto, CA (1.3 ml) (2025-08-03 11:47:35 UTC)

Magnitudo (ml)

1.3

Automatic
USGS

Summary

Intensity: 0
Tsunami: 0
ID: usgs_ci41252000

Nearest Places

Fontana Airport (historical) / 0.4 km
Rialto Fire Department Station 204 / 1.35 km
Ethel Kucera Middle School / 1.57 km
Birdsall Park / 1.68 km
Fontana Power Plant / 2.14 km

Comment

Latest Earthquake

1.5

26 km SSE of Lindsay, Texas
Time: 1754227045
Depth: 6.80 km
Source: USGS (Automatic)

3.0

MINDANAO, PHILIPPINES
Time: 1754226890
Depth: 21.00 km
Source: EMSC (Automatic)

4.8

Aru Islands Region, Indonesia
Time: 1754226850
Depth: 14.78 km
Source: BMKG (Automatic)

2.8

NORTHERN SUMATRA, INDONESIA
Time: 1754226560
Depth: 154.00 km
Source: EMSC (Automatic)

2.8

Northern Sumatra, Indonesia
Time: 1754226560
Depth: 154.02 km
Source: BMKG (Automatic)

Nearest Earthquake

1.9

7 km NNE of Fontana, CA
Time: 1754224208
Depth: 6.05 km
Source: USGS (Automatic)

0.3

10 km NE of Aguanga, CA
Time: 1754222449
Depth: 7.27 km
Source: USGS (Automatic)

0.7

7 km E of Cabazon, CA
Time: 1754213588
Depth: 11.49 km
Source: USGS (Automatic)

1.3

1 km SSE of Yucaipa, CA
Time: 1754211278
Depth: 16.89 km
Source: USGS (Automatic)

1.2

6 km NW of Rialto, CA
Time: 1754209931
Depth: 5.72 km
Source: USGS (Automatic)