M1.6 earthquake 7 km NNW of McCloud, California
A magnitude 1.6 earthquake struck 7 km NNW of McCloud, California on Sat, Sep 12, 1981, 5:39 AM PDT (12:39 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.2 9 km NNE of Millville, California. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (md), micro
- Local time
- UTC
- 1981-09-12 12:39:40 UTC
- Depth
- 5.7 km (3.5 mi), shallow
- Epicenter
- 41.316° N, 122.174° 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 0.6 km horizontally, 1.0 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- From location
- Station coverage gap
- 126°
- Stations used
- 4
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.65 km N of McCloud, California · 16439 days ago · 5 km deep · 2 km away
- 2.126 km E of Tennant, California · 16438 days ago · -2 km deep · 55 km away
- 3.29 km NNE of Millville, California · 16427 days ago · 3 km deep · 77 km away
- 1.96 km S of Tennant, California · 16419 days ago · 3 km deep · 33 km away
- 2.26 km S of Tennant, California · 16415 days ago · -2 km deep · 32 km away
- 2.615 km ENE of Shingletown, California · 16398 days ago · 9 km deep · 95 km away
- 1.912 km NNW of Shingletown, California · 16396 days ago · 3 km deep · 83 km away
Before
- 1.711 km NNE of Shingletown, California · 16470 days ago · 1 km deep · 84 km away
- 1.85 km E of Tennant, California · 16476 days ago · 7 km deep · 40 km away
- 1.712 km ENE of Shingletown, California · 16481 days ago · 7 km deep · 92 km away
- 1.615 km S of Etna, California · 16482 days ago · 3 km deep · 57 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc1067548. Read Thu, Oct 1, 2026, 1:01 AM UTC.