Earthquake 5 km NW of Rialto, CA (1.2 ml) (2025-07-31 16:38:00 UTC)

1753979880

34.1388, -117.4030

5.25 KM

A 1.2 magnitude earthquake struck on 5 km NW of Rialto, CA, at 2025-07-31 16:38:00 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 5 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 5 km NW of Rialto, CA (1.2 ml) (2025-07-31 16:38:00 UTC)

Magnitudo (ml)

1.2

Automatic
USGS

Summary

Intensity: 0
Tsunami: 0
ID: usgs_ci41249520

Nearest Places

Birdsall Park / 0.99 km
Rialto Municipal Airport /Miro Field/ / 1.25 km
Rialto Fire Department Station 203 / 1.43 km
Kolb Middle School / 1.47 km
San Bernardino County Sheriff's Department - Aviation Division / 1.53 km

Comment

Latest Earthquake

0.7

9 km WNW of Cobb, CA
Time: 1754052685
Depth: 0.46 km
Source: USGS (Automatic)

5.3

OFF EAST COAST OF KAMCHATKA
Time: 1754051980
Depth: 30.30 km
Source: EMSC (Automatic)

5.3

177 km SE of Vilyuchinsk, Russia
Time: 1754051976
Depth: 10.00 km
Source: USGS (Confirmed)

0.8

7 km NNW of The Geysers, CA
Time: 1754051261
Depth: 2.50 km
Source: USGS (Automatic)

1.8

14 km NE of Sterling, Alaska
Time: 1754051247
Depth: 45.30 km
Source: USGS (Automatic)

Nearest Earthquake

0.7

7 km NNE of Fontana, CA
Time: 1754049374
Depth: 5.73 km
Source: USGS (Automatic)

0.3

5 km WSW of Anza, CA
Time: 1754043061
Depth: 5.43 km
Source: USGS (Automatic)

1.1

7 km NNE of Fontana, CA
Time: 1754042476
Depth: 5.99 km
Source: USGS (Automatic)

0.9

6 km NW of Rialto, CA
Time: 1754036945
Depth: 5.16 km
Source: USGS (Automatic)

1.3

7 km SSW of Devore, CA
Time: 1754035365
Depth: 5.66 km
Source: USGS (Automatic)