| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 103.0 km |
| Coordinates | 40.626, -125.726 |
| UTC time | 1978-12-03 06:48:08.690 |
Earthquake details
Sunday, December 3, 1978 Earthquake
The earthquake hit United States on Sunday, December 3, 1978 at 06:48 UTC with a magnitude of 5.1. The closest known location in the current dataset is Redding (United States - US), about 281.8 km away. The epicenter is located at longitude -125.726 and latitude 40.626.
| Location | Santa Rosa |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1978-12-03
Closest countries
The 12 closest cities near the epicenter.
| Redding | 281.8 km |
| Grants Pass | 283.9 km |
| Medford | 303.9 km |
| Chico | 345.4 km |
| Santa Rosa | 354.9 km |
| Rohnert Park | 363.7 km |
| Petaluma | 376.1 km |
| Yuba City | 387.9 km |
| Novato | 390.3 km |
| Napa | 393.1 km |
| Woodland | 402.1 km |
| San Rafael | 403.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.2
Santa Rosa
United States · 2026-05-07 09:42 UTC
|
324.6 km |
|
M 4.4
Santa Rosa
United States · 2026-05-07 09:42 UTC
|
323.6 km |
|
M 4.2
Santa Rosa
United States · 2026-02-21 17:22 UTC
|
321.7 km |
|
M 4.2
Santa Rosa
United States · 2026-01-08 08:00 UTC
|
314.6 km |
|
M 4.0
Santa Rosa
United States · 2025-12-14 23:30 UTC
|
366.7 km |
|
M 4.3
San Francisco
United States · 2025-09-22 09:56 UTC
|
428.6 km |
|
M 4.1
Santa Rosa
United States · 2025-08-14 12:48 UTC
|
321.1 km |
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