| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 3.3 km |
| Coordinates | 34.144, -117.697 |
| UTC time | 1990-02-28 23:43:36.750 |
Earthquake details
Wednesday, February 28, 1990 Earthquake
The earthquake hit United States on Wednesday, February 28, 1990 at 23:43 UTC with a magnitude of 5.5. The closest known location in the current dataset is Claremont (United States - US), about 5.7 km away. The epicenter is located at longitude -117.697 and latitude 34.144.
| Location | Fontana |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1990-02-28
Closest countries
The 12 closest cities near the epicenter.
| Claremont | 5.7 km |
| Upland | 6.8 km |
| Montclair | 7.4 km |
| La Verne | 8.1 km |
| Ontario | 9.9 km |
| Rancho Cucamonga | 10.4 km |
| San Dimas | 10.9 km |
| Pomona | 11.1 km |
| Chino | 14.7 km |
| Glendora | 15.5 km |
| Diamond Bar | 16.6 km |
| Chino Hills | 17.7 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
|
26.0 km |
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