California earthquakes

M1.5 earthquake 1km WNW of Tulelake, CA

A magnitude 1.5 earthquake struck 1km WNW of Tulelake, CA on Sun, Sep 5, 2021, 8:38 PM PDT (03:38 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.0 6km NE of Dunsmuir, CA. This one was a foreshock.

Tulelake forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-09-06 03:38:10 UTC
Depth
-1.7 km (-1.1 mi), shallow
Epicenter
41.958° N, 121.488° W
Felt reports
4
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

4 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.6 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.36
Depth from
Operator assigned
Station coverage gap
98°
Stations used
8

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.79km E of Carrick, CA · 1851 days ago · 6 km deep · 85 km away
  2. 1.815km NE of McCloud, CA · 1847 days ago · 2 km deep · 80 km away
  3. 1.66km NE of Dunsmuir, CA · 1839 days ago · 12 km deep · 99 km away
  4. 1.76km NE of Dunsmuir, CA · 1839 days ago · 12 km deep · 100 km away
  5. 1.86km NE of Dunsmuir, CA · 1839 days ago · 12 km deep · 100 km away
  6. 1.76km W of McCloud, CA · 1839 days ago · 12 km deep · 99 km away
  7. 2.06km NE of Dunsmuir, CA · 1839 days ago · 12 km deep · 100 km away
  8. 1.919km SW of Tennant, CA · 1814 days ago · 6 km deep · 73 km away
  9. 1.96km NNE of Macdoel, CA · 1799 days ago · 9 km deep · 40 km away
  10. 1.619km NE of Big Bend, CA · 1799 days ago · 4 km deep · 96 km away

Before

  1. 1.91km WNW of Tulelake, CA · 1855 days ago · -2 km deep · 0 km away · felt by 1
  2. 1.714km N of Big Bend, CA · 1876 days ago · 9 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc71126089. Read Sun, Oct 4, 2026, 10:49 PM UTC.