| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 6.0 km |
| Coordinates | 35.953, -120.973 |
| UTC time | 1939-12-28 12:15:32.150 |
Earthquake details
Thursday, December 28, 1939 Earthquake
The earthquake hit United States on Thursday, December 28, 1939 at 12:15 UTC with a magnitude of 5.2. The closest known location in the current dataset is Atascadero (United States - US), about 58.4 km away. The epicenter is located at longitude -120.973 and latitude 35.953.
| Location | San Luis Obispo |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1939-12-28
Closest countries
The 12 closest cities near the epicenter.
| Atascadero | 58.4 km |
| San Luis Obispo | 79.9 km |
| Salinas | 101.2 km |
| Hollister | 107.2 km |
| Seaside | 107.6 km |
| Santa Maria | 121.6 km |
| Los Banos | 123.5 km |
| Hanford | 126.4 km |
| Watsonville | 127.6 km |
| Gilroy | 128.7 km |
| Orcutt | 130.6 km |
| Madera | 138.8 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
47.6 km
M 4.3
Fresno
United States · 2025-02-14 00:17 UTC
72.4 km
M 4.0
Fresno
United States · 2024-10-02 00:45 UTC
70.9 km
M 4.3
Hanford
United States · 2023-08-10 19:17 UTC
44.1 km
M 4.4
Hollister
United States · 2023-04-04 22:23 UTC
99.3 km
M 4.0
Hollister
United States · 2022-09-01 13:36 UTC
67.1 km
M 4.1
Salinas
United States · 2022-03-13 20:51 UTC
72.8 km
M 4.7
San Luis Obispo
United States · 2021-10-25 23:42 UTC
35.8 km
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