5.6 magnitude earthquake 57 km from Ferndale, California, United States

1983-12-20 10:41:09 UTC

UTC time: Tuesday, December 20, 1983 10:41 AM
Your time: 1983-12-20T10:41:09Z
Magnitude Type: mb
USGS status: Reviewed by a seismologist
Reports from the public: 0 people


A

5.6 magnitude earthquake

1983-12-20 10:41:09 UTC at 10:41
December 20, 1983 UTC

Location:
Epicenter at 40.408, -124.902
57.2 km from Ferndale (35.2 miles)

Northern California

Depth: 5 km

Aftershocks:
B

3.5 magnitude earthquake

1983-12-21 19:15:31 UTC at 19:15
December 21, 1983 UTC

Location:
Epicenter at 40.496, -125.026
65.2 km from Ferndale (40.2 miles)

Northern California

Depth: 10 km