Earthquake details

Friday, December 21, 1973 Earthquake

The earthquake hit United States on Friday, December 21, 1973 at 19:12 UTC with a magnitude of 5.2. The closest known location in the current dataset is Redding (United States - US), about 186.4 km away. The epicenter is located at longitude -124.597 and latitude 40.625.

Magnitude 5.2
Alert Strong
Depth 30.0 km
Coordinates 40.625, -124.597
UTC time 1973-12-21 19:12:43.500
Location Redding
Country United States (US)
Severity Strong

Earthquake map 1973-12-21

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 4.7
San Francisco
United States · 2026-09-29 11:36 UTC
76.0 km
M 4.8
San Francisco
United States · 2026-08-29 02:41 UTC
71.7 km
M 4.5
San Francisco
United States · 2026-06-04 02:36 UTC
45.4 km
M 4.5
San Francisco
United States · 2026-06-03 13:11 UTC
47.1 km
M 5.1
San Francisco
United States · 2026-06-03 12:45 UTC
45.9 km
M 4.7
San Francisco
United States · 2026-02-05 12:49 UTC
83.2 km
M 4.3
Santa Rosa
United States · 2026-01-22 07:28 UTC
61.9 km
M 4.2
San Francisco
United States · 2026-01-19 00:20 UTC
45.7 km

Stay informed

Earthquake alerts

Create targeted notifications for important seismic activity near the places you follow.

Choose the places you want to monitor.
Set a minimum magnitude for notifications.