M2.1 earthquake 10km N of Viola, CA

Magnitude

2.1 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Jan 16, 2021, 5:52 PM PST

UTC

2021-01-17 01:52:12 UTC

Depth

2.1 km (1.3 mi), shallow

Epicenter

40.611° N, 121.674° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.5 km horizontally, 11.9 km in depth

Magnitude uncertainty

±0.21

Depth from

Operator assigned

Station coverage gap

188°, poorly surrounded by stations

Stations used

7

• Shingletown, CaliforniaPopulation 2,283. Forecast22 kmNE
• Anderson, CaliforniaPopulation 10,217. Forecast56 kmENE
• Chico, CaliforniaPopulation 121,345. Forecast99 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast790 kmNNW

After

1. 2.010km N of Viola, CASat, Jan 16, 5:59 PM PST · 2086 days ago · 5 km deep · 1 km away
2. 1.812km NNE of Shingletown, CASun, Jan 17, 6:43 PM PST · 2085 days ago · 6 km deep · 13 km away
3. 1.510km N of Viola, CAMon, Jan 18, 4:13 PM PST · 2084 days ago · -1 km deep · 1 km away
4. 2.021km NE of Red Bluff, CATue, Jan 19, 7:33 PM PST · 2083 days ago · 15 km deep · 47 km away
5. 2.010km N of Viola, CATue, Jan 19, 7:41 PM PST · 2083 days ago · 4 km deep · 0 km away
6. 2.41km NE of Twain, CAWed, Jan 20, 8:39 AM PST · 2082 days ago · 7 km deep · 84 km away · felt by 2
7. 1.727km ENE of Los Molinos, CAFri, Jan 22, 11:50 PM PST · 2080 days ago · 17 km deep · 56 km away
8. 1.613km ESE of Millville, CASun, Jan 24, 4:30 PM PST · 2078 days ago · 11 km deep · 33 km away
9. 2.513km SE of Dunsmuir, CASun, Jan 24, 4:57 PM PST · 2078 days ago · 1 km deep · 71 km away
10. 1.99km NW of Chester, CATue, Jan 26, 2:47 AM PST · 2077 days ago · 3 km deep · 41 km away
11. 2.29km NW of Chester, CATue, Jan 26, 3:47 AM PST · 2077 days ago · 9 km deep · 41 km away
12. 1.98km NW of Chester, CATue, Jan 26, 8:29 AM PST · 2076 days ago · 10 km deep · 43 km away
13. 1.89km W of Susanville, CASat, Feb 6, 6:39 PM PST · 2065 days ago · 10 km deep · 81 km away
14. 2.46km ESE of Red Bluff, CAMon, Feb 8, 3:54 PM PST · 2063 days ago · 32 km deep · 66 km away
15. 2.819km WSW of Manton, CAThu, Feb 11, 9:20 AM PST · 2060 days ago · 15 km deep · 45 km away
16. 1.510km S of McCloud, CAMon, Feb 15, 4:15 AM PST · 2056 days ago · 2 km deep · 74 km away
17. 1.718km ESE of Anderson, CAMon, Feb 15, 7:35 PM PST · 2056 days ago · 14 km deep · 44 km away
18. 2.13km W of Chico, CAFri, Feb 19, 12:51 AM PST · 2053 days ago · 13 km deep · 98 km away
19. 1.712km SE of Mineral, CASat, Feb 20, 6:35 AM PST · 2051 days ago · 6 km deep · 40 km away
20. 1.63km S of Canyondam, CASat, Feb 20, 2:08 PM PST · 2051 days ago · 8 km deep · 73 km away
21. 1.57km ENE of Mineral, CAMon, Feb 22, 9:11 AM PST · 2049 days ago · 9 km deep · 30 km away
22. 2.08km NNW of Chester, CAFri, Feb 26, 2:04 PM PST · 2045 days ago · 5 km deep · 43 km away
23. 1.816km NNW of Shingletown, CASat, Mar 6, 4:03 PM PST · 2037 days ago · 15 km deep · 22 km away
24. 1.56km NNE of Almanor, CASun, Mar 7, 9:08 AM PST · 2036 days ago · 8 km deep · 58 km away · felt by 1
25. 2.64km NNE of Almanor, CASun, Mar 7, 9:11 AM PST · 2036 days ago · 9 km deep · 59 km away · felt by 5
26. 1.92km SSW of Shasta Lake, CAFri, Mar 12, 5:15 PM PST · 2031 days ago · 19 km deep · 60 km away
27. 2.825km NNW of Shasta Lake, CASat, Mar 13, 9:57 PM PST · 2030 days ago · 18 km deep · 72 km away · felt by 83
28. 1.619km NW of Viola, CASun, Mar 14, 8:55 AM PDT · 2029 days ago · 9 km deep · 13 km away
29. 2.315km E of Anderson, CATue, Mar 16, 1:09 AM PDT · 2028 days ago · 21 km deep · 43 km away
30. 1.813km NNE of Shingletown, CAWed, Mar 17, 4:11 PM PDT · 2026 days ago · 7 km deep · 12 km away

Before

1. 2.810km N of Viola, CASat, Jan 16, 5:51 PM PST · 2086 days ago · -2 km deep · 0 km away
2. 1.54km N of Twain, CAWed, Jan 13, 9:57 PM PST · 2089 days ago · 3 km deep · 82 km away
3. 2.010km N of Viola, CASun, Jan 10, 8:27 PM PST · 2092 days ago · 3 km deep · 0 km away
4. 1.89km E of McCloud, CASun, Jan 10, 7:30 PM PST · 2092 days ago · 6 km deep · 78 km away
5. 1.826km N of Shasta Lake, CASun, Jan 10, 7:14 PM PST · 2092 days ago · 15 km deep · 68 km away
6. 1.63km NW of Greenville, CAFri, Jan 8, 11:06 PM PST · 2094 days ago · 6 km deep · 77 km away
7. 1.57km NW of Indian Falls, CAFri, Jan 8, 5:48 PM PST · 2094 days ago · 7 km deep · 79 km away
8. 1.612km NE of Bella Vista, CAFri, Jan 1, 10:22 AM PST · 2101 days ago · 5 km deep · 41 km away
9. 1.64km NNE of Almanor, CAFri, Jan 1, 6:29 AM PST · 2101 days ago · 7 km deep · 60 km away
10. 1.714km S of Dunsmuir, CAFri, Jan 1, 12:38 AM PST · 2102 days ago · 9 km deep · 72 km away
11. 1.720km ESE of McCloud, CAMon, Dec 28, 6:46 PM PST · 2105 days ago · 7 km deep · 69 km away
12. 2.018km ESE of McCloud, CAMon, Dec 28, 6:31 PM PST · 2105 days ago · 8 km deep · 69 km away
13. 2.55km NNE of East Quincy, CAMon, Dec 28, 2:10 PM PST · 2105 days ago · 3 km deep · 98 km away
14. 1.63km ENE of Prattville, CAMon, Dec 28, 12:05 PM PST · 2105 days ago · 7 km deep · 64 km away
15. 1.913km S of Dunsmuir, CASun, Dec 27, 10:04 AM PST · 2106 days ago · 12 km deep · 73 km away
16. 1.98km WNW of Caribou, CASat, Dec 26, 11:47 AM PST · 2107 days ago · 2 km deep · 67 km away
17. 1.51km WNW of Canyondam, CATue, Dec 22, 9:38 AM PST · 2111 days ago · 6 km deep · 69 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc71122319. Read Sat, Oct 3, 2026, 11:18 PM UTC.