| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 9.2 km |
| Coordinates | 35.810, -121.335 |
| UTC time | 1991-09-17 21:10:29.020 |
Earthquake details
Tuesday, September 17, 1991 Earthquake
The earthquake hit United States on Tuesday, September 17, 1991 at 21:10 UTC with a magnitude of 5.2. The closest known location in the current dataset is Atascadero (United States - US), about 69.9 km away. The epicenter is located at longitude -121.335 and latitude 35.810.
| Location | San Luis Obispo |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1991-09-17
Closest countries
The 12 closest cities near the epicenter.
| Atascadero | 69.9 km |
| San Luis Obispo | 84.8 km |
| Seaside | 100.5 km |
| Salinas | 100.8 km |
| Hollister | 116.2 km |
| Santa Maria | 125.6 km |
| Watsonville | 128.2 km |
| Orcutt | 133.2 km |
| Gilroy | 134.7 km |
| Santa Cruz | 143.8 km |
| Los Banos | 145.5 km |
| Morgan Hill | 149.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.1
Atascadero
United States · 2025-11-18 17:54 UTC
57.1 km
M 4.3
Hanford
United States · 2023-08-10 19:17 UTC
77.9 km
M 4.0
Hollister
United States · 2022-09-01 13:36 UTC
84.9 km
M 4.1
Salinas
United States · 2022-03-13 20:51 UTC
87.1 km
M 4.7
San Luis Obispo
United States · 2021-10-25 23:42 UTC
4.7 km
M 4.1
Salinas
United States · 2021-08-31 16:09 UTC
86.5 km
M 4.3
Salinas
United States · 2021-01-02 14:42 UTC
89.4 km
M 4.3
Atascadero
United States · 2019-12-17 18:29 UTC
88.3 km
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