M1.6 earthquake 10 km ESE of Covelo, California

Magnitude

1.6 (md), micro

Local time

Tue, Dec 1, 1981, 5:40 AM PST

UTC

1981-12-01 13:40:26 UTC

Depth

-1.2 km (-0.7 mi), shallow

Epicenter

39.765° N, 123.130° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 2.0 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

87°

Stations used

10

• Covelo, CaliforniaPopulation 1,255. Forecast11 kmESE
• Ukiah, CaliforniaPopulation 15,917. Forecast69 kmN
• Chico, CaliforniaPopulation 121,345. Forecast111 kmW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast769 kmNNW

After

1. 2.238 km WNW of Paskenta, CaliforniaTue, Dec 1, 6:50 PM PST · 16365 days ago · 2 km deep · 39 km away
2. 2.011 km S of Laytonville, CaliforniaTue, Dec 1, 6:54 PM PST · 16365 days ago · -1 km deep · 35 km away
3. 2.815 km S of Mad River, CaliforniaThu, Dec 3, 1:34 AM PST · 16364 days ago · 28 km deep · 71 km away
4. 1.829 km WSW of Paskenta, CaliforniaFri, Dec 4, 11:31 AM PST · 16363 days ago · 10 km deep · 25 km away
5. 1.621 km W of Stonyford, CaliforniaFri, Dec 4, 2:03 PM PST · 16363 days ago · 1 km deep · 51 km away
6. 2.54 km NNW of Laytonville, CaliforniaSat, Dec 5, 9:57 AM PST · 16362 days ago · 10 km deep · 32 km away
7. 1.82 km NNE of Laytonville, CaliforniaSat, Dec 5, 9:58 AM PST · 16362 days ago · 4 km deep · 30 km away
8. 1.917 km NNE of Upper Lake, CaliforniaSat, Dec 5, 9:51 PM PST · 16361 days ago · 6 km deep · 57 km away
9. 3.27 km ENE of Brooktrails, CaliforniaMon, Dec 7, 1:32 PM PST · 16360 days ago · 10 km deep · 36 km away
10. 2.221 km W of Stonyford, CaliforniaMon, Dec 7, 5:49 PM PST · 16359 days ago · 4 km deep · 51 km away
11. 2.54 km NNW of Laytonville, CaliforniaMon, Dec 7, 9:07 PM PST · 16359 days ago · 10 km deep · 32 km away
12. 1.84 km NNW of Laytonville, CaliforniaMon, Dec 7, 9:10 PM PST · 16359 days ago · 8 km deep · 32 km away
13. 2.314 km WNW of Paskenta, CaliforniaTue, Dec 8, 3:33 PM PST · 16358 days ago · 7 km deep · 41 km away
14. 2.721 km W of Stonyford, CaliforniaTue, Dec 8, 9:58 PM PST · 16358 days ago · 4 km deep · 51 km away
15. 2.0Northern CaliforniaTue, Dec 8, 10:10 PM PST · 16358 days ago · 2 km deep · 51 km away
16. 1.88 km E of Willits, CaliforniaFri, Dec 11, 4:00 AM PST · 16356 days ago · 8 km deep · 42 km away
17. 1.55 km SW of Laytonville, CaliforniaSun, Dec 13, 6:57 PM PST · 16353 days ago · -1 km deep · 36 km away
18. 1.63 km NNW of Clearlake, CaliforniaMon, Dec 14, 12:21 PM PST · 16353 days ago · 73 km deep · 96 km away
19. 2.512 km NW of Stonyford, CaliforniaTue, Dec 15, 2:36 PM PST · 16351 days ago · 9 km deep · 54 km away
20. 2.512 km WNW of Stonyford, CaliforniaTue, Dec 15, 3:00 PM PST · 16351 days ago · 9 km deep · 54 km away
21. 1.94 km ENE of Weott, CaliforniaWed, Dec 16, 5:25 AM PST · 16351 days ago · -1 km deep · 90 km away
22. 1.69 km NNE of Laytonville, CaliforniaSat, Dec 19, 10:41 PM PST · 16347 days ago · 4 km deep · 28 km away
23. 2.210 km W of Laytonville, CaliforniaSat, Dec 19, 10:42 PM PST · 16347 days ago · 49 km deep · 41 km away
24. 1.620 km NE of Potter Valley, CaliforniaSun, Dec 20, 4:15 AM PST · 16347 days ago · 4 km deep · 37 km away
25. 1.720 km NE of Potter Valley, CaliforniaSun, Dec 20, 4:55 AM PST · 16347 days ago · 7 km deep · 37 km away
26. 1.631 km ESE of Covelo, CaliforniaThu, Dec 24, 1:00 AM PST · 16343 days ago · 7 km deep · 21 km away
27. 1.77 km S of Comptche, CaliforniaThu, Dec 24, 12:15 PM PST · 16343 days ago · 4 km deep · 75 km away
28. 1.83 km ENE of Clear Lake Riviera, CaliforniaThu, Dec 24, 12:54 PM PST · 16343 days ago · 2 km deep · 96 km away
29. 2.28 km NW of Redwood Valley, CaliforniaFri, Dec 25, 9:49 AM PST · 16342 days ago · 3 km deep · 52 km away
30. 2.84 km NE of Hopland, CaliforniaSat, Dec 26, 3:22 AM PST · 16341 days ago · 6 km deep · 85 km away
31. 1.511 km N of Brooktrails, CaliforniaSun, Dec 27, 5:39 PM PST · 16339 days ago · 6 km deep · 32 km away
32. 1.63 km NE of Willits, CaliforniaMon, Dec 28, 8:23 AM PST · 16339 days ago · 5 km deep · 41 km away
33. 1.95 km NNE of Clearlake, CaliforniaMon, Dec 28, 9:44 AM PST · 16339 days ago · -1 km deep · 96 km away
34. 2.511 km NNW of Alderpoint, CaliforniaTue, Dec 29, 6:21 AM PST · 16338 days ago · 24 km deep · 72 km away
35. 3.57 km N of Brooktrails, CaliforniaTue, Dec 29, 6:12 PM PST · 16337 days ago · 7 km deep · 36 km away
36. 3.2near the coast of Northern CaliforniaWed, Dec 30, 5:34 AM PST · 16337 days ago · 8 km deep · 36 km away
37. 1.96 km ESE of Talmage, CaliforniaWed, Dec 30, 2:36 PM PST · 16336 days ago · 8 km deep · 73 km away
38. 1.57 km N of Brooktrails, CaliforniaThu, Dec 31, 6:16 PM PST · 16335 days ago · 8 km deep · 36 km away
39. 2.16 km ENE of Willits, CaliforniaFri, Jan 1, 6:46 AM PST · 16335 days ago · 3 km deep · 39 km away
40. 1.912 km NE of Lucerne, CaliforniaSun, Jan 3, 3:42 PM PST · 16332 days ago · 0 km deep · 76 km away
41. 2.014 km SSW of Covelo, CaliforniaMon, Jan 4, 11:20 AM PST · 16332 days ago · 6 km deep · 18 km away
42. 2.113 km NNW of Ruth, CaliforniaTue, Jan 5, 6:36 AM PST · 16331 days ago · 26 km deep · 72 km away
43. 1.87 km E of Willits, CaliforniaThu, Jan 7, 9:43 AM PST · 16329 days ago · 7 km deep · 41 km away
44. 1.84 km ENE of Miranda, CaliforniaFri, Jan 8, 8:12 AM PST · 16328 days ago · 30 km deep · 78 km away
45. 1.913 km SW of Hayfork, CaliforniaSat, Jan 9, 5:16 AM PST · 16327 days ago · 22 km deep · 82 km away
46. 2.015 km ENE of Redcrest, CaliforniaSat, Jan 9, 10:38 PM PST · 16326 days ago · 25 km deep · 92 km away
47. 1.72 km SE of Talmage, CaliforniaSun, Jan 10, 11:12 AM PST · 16326 days ago · 5 km deep · 72 km away
48. 2.24 km NNW of Kelseyville, CaliforniaSun, Jan 10, 2:06 PM PST · 16326 days ago · 63 km deep · 87 km away
49. 1.717 km NNE of Upper Lake, CaliforniaMon, Jan 11, 6:59 PM PST · 16324 days ago · 0 km deep · 57 km away
50. 2.415 km W of Mad River, CaliforniaTue, Jan 12, 4:21 PM PST · 16323 days ago · 4 km deep · 88 km away
51. 2.02 km SSE of Kelseyville, CaliforniaWed, Jan 13, 8:43 PM PST · 16322 days ago · 14 km deep · 93 km away
52. 2.026 km W of Elk Creek, CaliforniaWed, Jan 13, 9:23 PM PST · 16322 days ago · 3 km deep · 28 km away
53. 2.63 km WNW of Clearlake Oaks, CaliforniaWed, Jan 13, 9:23 PM PST · 16322 days ago · 4 km deep · 88 km away
54. 1.64 km NNE of Myers Flat, CaliforniaThu, Jan 14, 11:20 AM PST · 16322 days ago · 20 km deep · 86 km away
55. 2.95 km WNW of Philo, CaliforniaThu, Jan 14, 8:53 PM PST · 16321 days ago · 18 km deep · 81 km away
56. 1.625 km SE of Covelo, CaliforniaSun, Jan 17, 2:24 PM PST · 16318 days ago · 9 km deep · 17 km away
57. 1.924 km SE of Covelo, CaliforniaMon, Jan 18, 11:41 AM PST · 16318 days ago · 3 km deep · 17 km away
58. 2.025 km SE of Covelo, CaliforniaMon, Jan 18, 1:18 PM PST · 16318 days ago · 9 km deep · 18 km away
59. 2.811 km E of Redcrest, CaliforniaMon, Jan 18, 6:24 PM PST · 16317 days ago · 21 km deep · 91 km away
60. 1.57 km E of Willits, CaliforniaTue, Jan 19, 6:34 AM PST · 16317 days ago · 7 km deep · 42 km away

The first 60 of 62.

Before

1. 2.58 km NNW of Redwood Valley, CaliforniaMon, Nov 30, 4:12 AM PST · 16367 days ago · 6 km deep · 48 km away
2. 1.74 km SE of Benbow, CaliforniaSat, Nov 28, 8:00 PM PST · 16368 days ago · 16 km deep · 61 km away
3. 2.04 km NNW of Laytonville, CaliforniaSat, Nov 28, 4:13 AM PST · 16369 days ago · 11 km deep · 32 km away
4. 2.34 km NNW of Laytonville, CaliforniaFri, Nov 27, 4:21 PM PST · 16369 days ago · 11 km deep · 32 km away
5. 2.312 km WSW of Weott, CaliforniaWed, Nov 25, 2:59 PM PST · 16371 days ago · 4 km deep · 97 km away
6. 1.81 km N of Willits, CaliforniaWed, Nov 25, 2:37 PM PST · 16371 days ago · 7 km deep · 42 km away
7. 2.320 km NE of Potter Valley, CaliforniaWed, Nov 25, 2:27 AM PST · 16372 days ago · 7 km deep · 41 km away
8. 1.511 km NNE of Potter Valley, CaliforniaTue, Nov 24, 9:04 PM PST · 16372 days ago · 3 km deep · 38 km away
9. 1.619 km ENE of Potter Valley, CaliforniaMon, Nov 23, 11:38 PM PST · 16373 days ago · 1 km deep · 47 km away
10. 1.62 km ESE of Calpella, CaliforniaMon, Nov 23, 4:47 AM PST · 16374 days ago · 3 km deep · 61 km away
11. 2.09 km NNE of Cloverdale, CaliforniaSat, Nov 21, 4:44 PM PST · 16375 days ago · 1 km deep · 99 km away
12. 1.511 km SW of Covelo, CaliforniaSat, Nov 21, 9:17 AM PST · 16376 days ago · 7 km deep · 18 km away
13. 1.716 km NE of Miranda, CaliforniaFri, Nov 20, 11:32 PM PST · 16376 days ago · 16 km deep · 82 km away
14. 1.720 km WSW of Weott, CaliforniaThu, Nov 19, 12:24 AM PST · 16378 days ago · 5 km deep · 100 km away
15. 1.68 km E of Willits, CaliforniaWed, Nov 18, 3:33 PM PST · 16378 days ago · 8 km deep · 42 km away
16. 1.78 km SE of Willits, CaliforniaWed, Nov 18, 1:28 AM PST · 16379 days ago · 3 km deep · 47 km away
17. 1.78 km S of Hamilton City, CaliforniaTue, Nov 10, 6:07 AM PST · 16387 days ago · 17 km deep · 95 km away
18. 1.5Northern CaliforniaTue, Nov 10, 5:04 AM PST · 16387 days ago · 19 km deep · 94 km away
19. 1.715 km WSW of Paskenta, CaliforniaTue, Nov 10, 12:36 AM PST · 16387 days ago · 4 km deep · 37 km away
20. 1.81 km SSW of Hamilton City, CaliforniaMon, Nov 9, 6:17 PM PST · 16387 days ago · 6 km deep · 95 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1069890. Read Tue, Sep 22, 2026, 9:45 AM UTC.