M2.3 earthquake 38km NNE of Covelo, CA

Magnitude

2.3 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Apr 17, 2021, 1:39 PM PDT

UTC

2021-04-17 20:39:08 UTC

Depth

39.6 km (24.6 mi), shallow

Epicenter

40.101° N, 123.044° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

50°

Stations used

32

• Covelo, CaliforniaPopulation 1,255. Forecast38 kmNNE
• Red Bluff, CaliforniaPopulation 14,131. Forecast69 kmW
• Chico, CaliforniaPopulation 121,345. Forecast111 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast796 kmNNW

After

1. 1.54km ESE of Laytonville, CASat, Apr 17, 5:48 PM PDT · 1995 days ago · 9 km deep · 59 km away
2. 1.56km E of Redwood Valley, CASun, Apr 18, 3:25 AM PDT · 1995 days ago · 6 km deep · 94 km away
3. 1.78km ESE of Willits, CASun, Apr 18, 12:25 PM PDT · 1994 days ago · -1 km deep · 83 km away
4. 1.816km SE of Lake Pillsbury, CAMon, Apr 19, 8:18 PM PDT · 1993 days ago · 5 km deep · 89 km away
5. 2.012km NNE of Brooktrails, CATue, Apr 20, 12:59 AM PDT · 1993 days ago · 9 km deep · 67 km away
6. 4.020km ENE of Redway, CATue, Apr 20, 2:48 AM PDT · 1993 days ago · 34 km deep · 48 km away · felt by 26
7. 2.141km NE of Covelo, CATue, Apr 20, 10:15 AM PDT · 1993 days ago · 9 km deep · 11 km away
8. 1.89km ESE of Millville, CAThu, Apr 22, 1:19 PM PDT · 1990 days ago · 16 km deep · 95 km away
9. 3.915km NNW of Lake Pillsbury, CAFri, Apr 23, 4:18 AM PDT · 1990 days ago · 7 km deep · 64 km away · felt by 14
10. 1.716km NE of Willits, CAFri, Apr 23, 4:47 PM PDT · 1989 days ago · 6 km deep · 69 km away
11. 1.61km W of Lake Pillsbury, CASat, Apr 24, 1:52 PM PDT · 1988 days ago · 2 km deep · 77 km away
12. 2.116km E of Petrolia, CASat, Apr 24, 5:32 PM PDT · 1988 days ago · 31 km deep · 94 km away
13. 1.64km ENE of Laytonville, CASun, Apr 25, 12:18 AM PDT · 1988 days ago · 10 km deep · 56 km away
14. 1.75km NNW of Lake Pillsbury, CASun, Apr 25, 2:07 AM PDT · 1988 days ago · 6 km deep · 73 km away
15. 2.34km NE of Laytonville, CAMon, Apr 26, 4:54 AM PDT · 1987 days ago · 7 km deep · 56 km away · felt by 2
16. 2.63km ENE of Laytonville, CAMon, Apr 26, 5:18 AM PDT · 1987 days ago · 8 km deep · 56 km away · felt by 2
17. 1.83km WSW of Shasta Lake, CATue, Apr 27, 2:42 PM PDT · 1985 days ago · 17 km deep · 83 km away
18. 2.219km WSW of Manton, CAThu, Apr 29, 12:23 AM PDT · 1984 days ago · 15 km deep · 88 km away
19. 1.610km ESE of Willits, CAThu, Apr 29, 1:32 AM PDT · 1984 days ago · 6 km deep · 84 km away
20. 2.17km ENE of Laytonville, CAMon, May 3, 2:19 AM PDT · 1980 days ago · 10 km deep · 53 km away
21. 2.38km WNW of Willows, CAMon, May 3, 6:28 PM PDT · 1979 days ago · 28 km deep · 90 km away · felt by 3
22. 2.31km N of Redway, CATue, May 4, 5:49 AM PDT · 1979 days ago · 26 km deep · 66 km away
23. 2.89km ESE of Willits, CAWed, May 5, 6:06 AM PDT · 1978 days ago · 4 km deep · 83 km away · felt by 42
24. 2.47km WNW of Willows, CAThu, May 6, 5:51 PM PDT · 1976 days ago · 28 km deep · 91 km away · felt by 3
25. 2.219km SSE of Rio Dell, CAFri, May 7, 9:31 AM PDT · 1976 days ago · 30 km deep · 88 km away
26. 1.912km WNW of Redwood Valley, CASat, May 8, 5:19 AM PDT · 1975 days ago · 6 km deep · 93 km away
27. 1.83km ENE of Laytonville, CASat, May 8, 9:50 AM PDT · 1975 days ago · 10 km deep · 56 km away
28. 1.913km W of Shingletown, CASun, May 9, 7:01 AM PDT · 1974 days ago · 17 km deep · 95 km away
29. 2.013km NE of Upper Lake, CASun, May 9, 5:19 PM PDT · 1973 days ago · -1 km deep · 98 km away
30. 2.19km ESE of Willits, CASun, May 9, 6:18 PM PDT · 1973 days ago · 4 km deep · 83 km away · felt by 2
31. 1.75km WSW of Redwood Valley, CAMon, May 10, 10:11 PM PDT · 1972 days ago · 2 km deep · 97 km away
32. 1.615km SE of Laytonville, CATue, May 11, 12:28 AM PDT · 1972 days ago · 7 km deep · 63 km away
33. 2.126km W of Rancho Tehama Reserve, CATue, May 11, 8:38 AM PDT · 1972 days ago · 1 km deep · 31 km away
34. 2.326km N of Laytonville, CAWed, May 12, 12:53 AM PDT · 1971 days ago · 8 km deep · 44 km away
35. 1.926km N of Laytonville, CAWed, May 12, 1:04 AM PDT · 1971 days ago · 9 km deep · 44 km away
36. 1.812km SE of Petrolia, CAWed, May 12, 2:55 AM PDT · 1971 days ago · 11 km deep · 98 km away
37. 1.79km NNW of Redwood Valley, CAWed, May 12, 1:29 PM PDT · 1970 days ago · 6 km deep · 85 km away
38. 1.913km SE of Lake Pillsbury, CAThu, May 13, 8:41 PM PDT · 1969 days ago · 7 km deep · 86 km away
39. 2.010km ENE of French Gulch, CAThu, May 13, 10:05 PM PDT · 1969 days ago · 15 km deep · 83 km away
40. 1.68km SSE of Laytonville, CAFri, May 14, 2:37 PM PDT · 1968 days ago · 8 km deep · 63 km away
41. 2.05km WSW of Laytonville, CASat, May 15, 9:39 AM PDT · 1968 days ago · 3 km deep · 64 km away
42. 2.98km W of Redway, CASun, May 16, 6:26 AM PDT · 1967 days ago · 19 km deep · 75 km away · felt by 4
43. 1.88km W of Redway, CASun, May 16, 8:07 AM PDT · 1967 days ago · 18 km deep · 75 km away
44. 2.88km W of Redway, CASun, May 16, 11:36 PM PDT · 1966 days ago · 18 km deep · 75 km away · felt by 5
45. 1.98km NW of Laytonville, CAMon, May 17, 7:04 PM PDT · 1965 days ago · 8 km deep · 58 km away
46. 1.69km E of Millville, CAThu, May 20, 8:03 AM PDT · 1963 days ago · 11 km deep · 96 km away
47. 2.531km WNW of Weaverville, CASat, May 22, 12:35 PM PDT · 1960 days ago · 23 km deep · 89 km away
48. 2.610km NNW of Redwood Valley, CASat, May 22, 7:39 PM PDT · 1960 days ago · 5 km deep · 86 km away · felt by 7
49. 1.911km N of Covelo, CASun, May 23, 11:00 PM PDT · 1959 days ago · 8 km deep · 29 km away
50. 1.52km WNW of Laytonville, CAMon, May 24, 6:54 PM PDT · 1958 days ago · 4 km deep · 60 km away
51. 1.810km NNW of Redwood Valley, CAMon, May 24, 8:27 PM PDT · 1958 days ago · 7 km deep · 85 km away
52. 1.920km NE of Red Bluff, CATue, May 25, 2:45 AM PDT · 1958 days ago · 10 km deep · 84 km away
53. 2.012km WNW of Redwood Valley, CATue, May 25, 3:19 AM PDT · 1958 days ago · 5 km deep · 93 km away
54. 2.94km SSE of Redwood Valley, CATue, May 25, 9:14 PM PDT · 1957 days ago · 5 km deep · 97 km away · felt by 232
55. 1.635km E of Hydesville, CAWed, May 26, 11:18 PM PDT · 1956 days ago · 24 km deep · 71 km away
56. 1.717km E of Petrolia, CAThu, May 27, 2:53 AM PDT · 1956 days ago · 27 km deep · 91 km away
57. 1.65km N of Millville, CAThu, May 27, 4:43 AM PDT · 1956 days ago · 14 km deep · 91 km away
58. 1.915km N of Brooktrails, CAThu, May 27, 9:16 AM PDT · 1956 days ago · 7 km deep · 65 km away
59. 1.719km SW of Laytonville, CAThu, May 27, 2:47 PM PDT · 1955 days ago · 8 km deep · 78 km away
60. 1.78km NNW of Redwood Valley, CASat, May 29, 1:19 AM PDT · 1954 days ago · 7 km deep · 86 km away

The first 60 of 86.

Before

1. 2.940km NNE of Covelo, CASat, Apr 17, 12:35 PM PDT · 1995 days ago · 46 km deep · 1 km away · felt by 1
2. 2.741km NNE of Covelo, CASat, Apr 17, 9:29 AM PDT · 1996 days ago · 45 km deep · 3 km away
3. 2.27km NNW of Hayfork, CAFri, Apr 16, 10:48 PM PDT · 1996 days ago · 32 km deep · 59 km away
4. 1.921km SE of Anderson, CAWed, Apr 14, 10:41 AM PDT · 1999 days ago · 12 km deep · 85 km away
5. 1.58km NNW of Redwood Valley, CAMon, Apr 12, 1:36 AM PDT · 2001 days ago · 7 km deep · 87 km away
6. 1.835km S of Willow Creek, CASat, Apr 10, 3:54 AM PDT · 2003 days ago · 24 km deep · 78 km away
7. 2.326km S of Hayfork, CAFri, Apr 9, 4:12 PM PDT · 2003 days ago · 38 km deep · 29 km away
8. 1.929km NE of Redway, CAFri, Apr 9, 3:30 AM PDT · 2004 days ago · 4 km deep · 52 km away
9. 1.512km N of Brooktrails, CAThu, Apr 8, 7:42 PM PDT · 2004 days ago · 8 km deep · 68 km away
10. 2.514km SE of Petrolia, CAThu, Apr 8, 5:39 PM PDT · 2004 days ago · 12 km deep · 96 km away
11. 1.74km S of Redwood Valley, CAThu, Apr 8, 12:36 PM PDT · 2004 days ago · 5 km deep · 98 km away
12. 1.82km N of Lake Pillsbury, CATue, Apr 6, 2:49 PM PDT · 2006 days ago · 7 km deep · 76 km away
13. 1.84km SSE of Hamilton City, CAMon, Apr 5, 4:26 AM PDT · 2008 days ago · 16 km deep · 99 km away
14. 2.227km WSW of Rancho Tehama Reserve, CASun, Apr 4, 7:10 PM PDT · 2008 days ago · 9 km deep · 32 km away
15. 1.827km SSE of Blue Lake, CASun, Apr 4, 1:06 PM PDT · 2008 days ago · 26 km deep · 92 km away
16. 1.66km WNW of Palo Cedro, CASun, Apr 4, 5:29 AM PDT · 2009 days ago · 15 km deep · 83 km away
17. 2.019km NE of Redway, CASun, Apr 4, 4:22 AM PDT · 2009 days ago · 30 km deep · 57 km away
18. 1.512km W of Shingletown, CASun, Apr 4, 2:52 AM PDT · 2009 days ago · 17 km deep · 96 km away
19. 1.626km N of Laytonville, CAThu, Apr 1, 9:43 PM PDT · 2011 days ago · 7 km deep · 44 km away
20. 1.510km ESE of Willits, CAThu, Apr 1, 2:53 AM PDT · 2012 days ago · 7 km deep · 84 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73550735. Read Sun, Oct 4, 2026, 6:21 AM UTC.