| Magnitude | 6.2 |
| Alert | Severe |
| Depth | 5.0 km |
| Coordinates | 34.089, -117.259 |
| UTC time | 1923-07-23 07:30:23.910 |
Earthquake details
Monday, July 23, 1923 Earthquake
The earthquake hit United States on Monday, July 23, 1923 at 07:30 UTC with a magnitude of 6.2. The closest known location in the current dataset is San Bernardino (United States - US), about 3.6 km away. The epicenter is located at longitude -117.259 and latitude 34.089.
| Location | Riverside |
| Country | United States (US) |
| Severity | Severe |
Earthquake map 1923-07-23
Closest countries
The 12 closest cities near the epicenter.
| San Bernardino | 3.6 km |
| Colton | 5.3 km |
| Highland | 6.4 km |
| Redlands | 8.0 km |
| Rialto | 10.4 km |
| Fontana | 16.2 km |
| Rubidoux | 17.0 km |
| Moreno Valley | 17.1 km |
| Riverside | 19.7 km |
| Yucaipa | 20.8 km |
| Rancho Cucamonga | 30.9 km |
| Eastvale | 31.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.4
Riverside
United States · 2025-07-31 16:32 UTC
15.7 km
M 4.4
Los Angeles
United States · 2024-08-12 19:20 UTC
84.7 km
M 4.1
Santa Ana
United States · 2024-05-01 20:49 UTC
47.1 km
M 4.2
Riverside
United States · 2024-01-25 03:43 UTC
5.5 km
M 4.2
Fontana
United States · 2024-01-05 18:55 UTC
29.7 km
M 4.2
Oceanside
United States · 2023-04-01 01:16 UTC
85.0 km
M 4.0
Oceanside
United States · 2022-01-30 17:46 UTC
89.6 km
M 4.3
Long Beach
United States · 2021-09-18 02:58 UTC
97.0 km
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