Earthquake 5 km NW of Rialto, CA (1.0 ml) (2025-07-31 18:15:59 UTC)

1753985759

34.1418, -117.4090

4.11 KM

A 1.0 magnitude earthquake struck on 5 km NW of Rialto, CA, at 2025-07-31 18:15:59 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 (1.0 ml) (2025-07-31 18:15:59 UTC)

Magnitudo (ml)

1.0

Automatic
USGS

Summary

Intensity: 0
Tsunami: 0
ID: usgs_ci41249680

Nearest Places

Birdsall Park / 1.02 km
Fontana Airport (historical) / 1.39 km
Rialto Municipal Airport /Miro Field/ / 1.68 km
San Bernardino County Sheriff's Department - Aviation Division / 1.82 km
Fontana Power Plant / 1.82 km

Comment

Latest Earthquake

0.8

2 km NW of The Geysers, CA
Time: 1754059020
Depth: 2.36 km
Source: USGS (Automatic)

1.4

58 km ESE of Knik River, Alaska
Time: 1754058620
Depth: 2.20 km
Source: USGS (Automatic)

4.7

114 km NW of Rabaul, Papua New Guinea
Time: 1754057778
Depth: 464.84 km
Source: USGS (Confirmed)

4.7

NEW IRELAND REGION, P.N.G.
Time: 1754057778
Depth: 464.80 km
Source: EMSC (Automatic)

4.9

OFF EAST COAST OF KAMCHATKA
Time: 1754057321
Depth: 13.00 km
Source: EMSC (Automatic)

Nearest Earthquake

0.8

5 km N of San Jacinto, CA
Time: 1754054282
Depth: 5.20 km
Source: USGS (Automatic)

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)