M3.5 earthquake 231 km W of Ferndale, California
A magnitude 3.5 earthquake struck 231 km W of Ferndale, California on Fri, Aug 6, 1982, 9:32 AM PDT (16:32 UTC), 4 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (Md, duration), minor
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 1982-08-06 16:32:32 UTC
- Depth
- 4.0 km (2.5 mi), shallow
- Epicenter
- 40.382° N, 126.985° W
- Region
- California
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 20.3 km horizontally, 16.4 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 314°, poorly surrounded by stations
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.7136 km W of Ferndale, California · 16124 days ago · 5 km deep · 95 km away
- 2.7134 km W of Ferndale, California · 16086 days ago · 5 km deep · 97 km away
- 2.5137 km W of Ferndale, California · 16081 days ago · 5 km deep · 94 km away
- 2.7167 km W of Ferndale, California · 16081 days ago · 5 km deep · 64 km away
- 2.5138 km W of Ferndale, California · 16078 days ago · 5 km deep · 94 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc1077032. Read Fri, Oct 2, 2026, 5:19 PM UTC.