Earthquake 6 km NW of Rialto, CA (0.9 ml) (2025-08-04 08:00:20 UTC)

1754294420

34.1430, -117.4177

6.04 KM

A 0.9 magnitude earthquake struck on 6 km NW of Rialto, CA, at 2025-08-04 08:00:20 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 (0.9 ml) (2025-08-04 08:00:20 UTC)

Magnitudo (ml)

0.9

Automatic
USGS

Summary

Intensity: 0
Tsunami: 0
ID: usgs_ci41252512

Nearest Places

Fontana Airport (historical) / 0.65 km
Birdsall Park / 1.68 km
Rialto Fire Department Station 204 / 1.82 km
Ethel Kucera Middle School / 2.02 km
San Bernardino Sheriff's Aviation Division Emergency Medical Services Transport / 2.13 km

Comment

Latest Earthquake

2.5

3 km SSW of Pāhala, Hawaii
Time: 1754302801
Depth: 30.09 km
Source: USGS (Automatic)

2.5

ISLAND OF HAWAII, HAWAII
Time: 1754302801
Depth: 30.10 km
Source: EMSC (Automatic)

1.1

20 km NNE of Yerington, Nevada
Time: 1754302707
Depth: 7.80 km
Source: USGS (Automatic)

1.7

TURKEY-SYRIA BORDER REGION
Time: 1754302304
Depth: 7.00 km
Source: EMSC (Automatic)

2.4

Sulawesi, Indonesia
Time: 1754302226
Depth: 10.00 km
Source: BMKG (Automatic)

Nearest Earthquake

0.5

10 km S of Idyllwild, CA
Time: 1754297924
Depth: 16.07 km
Source: USGS (Automatic)

0.7

6 km SSW of Idyllwild, CA
Time: 1754296395
Depth: 15.71 km
Source: USGS (Automatic)

1.0

8 km WNW of Palomar Observatory, CA
Time: 1754287216
Depth: 16.85 km
Source: USGS (Automatic)

1.2

0 km SE of Loma Linda, CA
Time: 1754284851
Depth: 15.84 km
Source: USGS (Automatic)

2.2

SOUTHERN CALIFORNIA
Time: 1754282473
Depth: 17.00 km
Source: EMSC (Automatic)