M1.9 earthquake 8km WNW of Cobb, CA

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Mar 31, 2021, 9:46 PM PDT

UTC

2021-04-01 04:46:45 UTC

Depth

1.4 km (0.9 mi), shallow

Epicenter

38.847° N, 122.816° W

Region

California

Felt reports

1

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.2 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

31°

Stations used

57

• Cobb, CaliforniaPopulation 1,778. Forecast9 kmWNW
• Clearlake, CaliforniaPopulation 15,182. Forecast21 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast46 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast672 kmNW

After

1. 1.78km NW of The Geysers, CAWed, Mar 31, 11:19 PM PDT · 2013 days ago · 2 km deep · 2 km away
2. 1.610km WNW of Calistoga, CAThu, Apr 1, 2:33 AM PDT · 2013 days ago · 8 km deep · 28 km away · felt by 1
3. 1.510km ESE of Willits, CAThu, Apr 1, 2:53 AM PDT · 2013 days ago · 7 km deep · 69 km away
4. 1.713km W of Lakeport, CAThu, Apr 1, 3:29 AM PDT · 2013 days ago · 0 km deep · 30 km away
5. 2.33km NE of The Geysers, CAThu, Apr 1, 2:41 PM PDT · 2012 days ago · 2 km deep · 9 km away · felt by 1
6. 1.512km WNW of Upper Lake, CASat, Apr 3, 2:52 AM PDT · 2011 days ago · 9 km deep · 44 km away
7. 2.52km SSW of Cobb, CAMon, Apr 5, 9:42 AM PDT · 2008 days ago · 2 km deep · 8 km away · felt by 5
8. 1.65km WNW of The Geysers, CATue, Apr 6, 6:54 AM PDT · 2007 days ago · 3 km deep · 5 km away
9. 1.99km WNW of The Geysers, CATue, Apr 6, 9:58 AM PDT · 2007 days ago · 2 km deep · 4 km away
10. 1.82km N of Lake Pillsbury, CATue, Apr 6, 2:49 PM PDT · 2007 days ago · 7 km deep · 65 km away
11. 1.87km NW of The Geysers, CATue, Apr 6, 3:21 PM PDT · 2007 days ago · 2 km deep · 3 km away
12. 1.57km NW of The Geysers, CATue, Apr 6, 8:21 PM PDT · 2007 days ago · 2 km deep · 3 km away
13. 2.44km WNW of The Geysers, CAWed, Apr 7, 5:13 AM PDT · 2007 days ago · 3 km deep · 6 km away · felt by 2
14. 2.94km WNW of The Geysers, CAWed, Apr 7, 5:56 AM PDT · 2006 days ago · 4 km deep · 7 km away · felt by 15
15. 2.56km S of Calistoga, CAWed, Apr 7, 8:17 AM PDT · 2006 days ago · 9 km deep · 41 km away · felt by 10
16. 1.66km NNE of Windsor, CAWed, Apr 7, 1:57 PM PDT · 2006 days ago · 5 km deep · 28 km away
17. 1.56km NW of The Geysers, CAWed, Apr 7, 8:45 PM PDT · 2006 days ago · 2 km deep · 4 km away
18. 1.74km S of Redwood Valley, CAThu, Apr 8, 12:36 PM PDT · 2005 days ago · 5 km deep · 54 km away
19. 2.35km NW of The Geysers, CAThu, Apr 8, 1:33 PM PDT · 2005 days ago · 3 km deep · 5 km away · felt by 2
20. 1.62km SW of Cobb, CAThu, Apr 8, 7:38 PM PDT · 2005 days ago · 2 km deep · 8 km away
21. 1.512km N of Brooktrails, CAThu, Apr 8, 7:42 PM PDT · 2005 days ago · 8 km deep · 92 km away
22. 1.95km WNW of The Geysers, CAFri, Apr 9, 10:16 PM PDT · 2004 days ago · 3 km deep · 6 km away
23. 1.96km NW of The Geysers, CASat, Apr 10, 4:01 AM PDT · 2004 days ago · 3 km deep · 4 km away
24. 3.36km S of Calistoga, CASat, Apr 10, 7:13 AM PDT · 2003 days ago · 9 km deep · 41 km away · felt by 262
25. 2.07km W of Cobb, CASun, Apr 11, 12:49 AM PDT · 2003 days ago · 2 km deep · 2 km away · felt by 1
26. 2.67km NW of The Geysers, CASun, Apr 11, 3:03 PM PDT · 2002 days ago · 2 km deep · 2 km away
27. 1.97km NW of The Geysers, CASun, Apr 11, 3:16 PM PDT · 2002 days ago · 2 km deep · 2 km away
28. 2.47km NW of The Geysers, CASun, Apr 11, 3:57 PM PDT · 2002 days ago · 2 km deep · 3 km away · felt by 5
29. 1.88km NW of The Geysers, CASun, Apr 11, 9:30 PM PDT · 2002 days ago · 2 km deep · 2 km away
30. 1.97km NW of The Geysers, CASun, Apr 11, 10:29 PM PDT · 2002 days ago · 2 km deep · 3 km away
31. 1.96km WNW of The Geysers, CAMon, Apr 12, 1:08 AM PDT · 2002 days ago · 2 km deep · 5 km away · felt by 1
32. 1.58km NNW of Redwood Valley, CAMon, Apr 12, 1:36 AM PDT · 2002 days ago · 7 km deep · 65 km away
33. 1.714km W of Lakeport, CAMon, Apr 12, 7:34 AM PDT · 2001 days ago · 2 km deep · 30 km away
34. 2.411km WNW of The Geysers, CATue, Apr 13, 7:23 AM PDT · 2000 days ago · 3 km deep · 5 km away
35. 1.97km NW of The Geysers, CATue, Apr 13, 9:15 AM PDT · 2000 days ago · 3 km deep · 3 km away
36. 1.86km WNW of The Geysers, CAWed, Apr 14, 8:11 PM PDT · 1999 days ago · 3 km deep · 6 km away
37. 2.06km NNW of The Geysers, CAWed, Apr 14, 9:34 PM PDT · 1999 days ago · 3 km deep · 4 km away
38. 2.58km NW of The Geysers, CAThu, Apr 15, 6:39 AM PDT · 1998 days ago · 2 km deep · 2 km away · felt by 3
39. 1.93km SW of Cobb, CAThu, Apr 15, 2:50 PM PDT · 1998 days ago · 1 km deep · 8 km away
40. 1.69km ENE of Clearlake, CAThu, Apr 15, 5:02 PM PDT · 1998 days ago · -1 km deep · 29 km away
41. 1.76km NNW of The Geysers, CAThu, Apr 15, 8:15 PM PDT · 1998 days ago · 3 km deep · 3 km away
42. 1.63km NW of The Geysers, CAThu, Apr 15, 8:24 PM PDT · 1998 days ago · 1 km deep · 6 km away
43. 1.62km N of The Geysers, CAThu, Apr 15, 8:39 PM PDT · 1998 days ago · 1 km deep · 8 km away
44. 1.62km NW of The Geysers, CAThu, Apr 15, 11:31 PM PDT · 1998 days ago · 2 km deep · 8 km away
45. 2.72km W of Anderson Springs, CAFri, Apr 16, 2:35 AM PDT · 1998 days ago · 2 km deep · 12 km away · felt by 7
46. 2.03km W of Anderson Springs, CAFri, Apr 16, 2:36 AM PDT · 1998 days ago · 2 km deep · 11 km away
47. 2.020km SW of Arbuckle, CAFri, Apr 16, 5:16 PM PDT · 1997 days ago · 12 km deep · 49 km away
48. 1.610km WNW of The Geysers, CAFri, Apr 16, 6:02 PM PDT · 1997 days ago · 3 km deep · 4 km away
49. 1.610km WNW of The Geysers, CAFri, Apr 16, 6:04 PM PDT · 1997 days ago · 3 km deep · 4 km away
50. 1.98km NW of The Geysers, CAFri, Apr 16, 9:02 PM PDT · 1997 days ago · 2 km deep · 2 km away
51. 2.37km W of Cobb, CAFri, Apr 16, 9:54 PM PDT · 1997 days ago · 2 km deep · 2 km away
52. 1.77km W of Cobb, CASat, Apr 17, 1:42 PM PDT · 1996 days ago · 2 km deep · 2 km away
53. 1.66km SSW of Calistoga, CASat, Apr 17, 5:44 PM PDT · 1996 days ago · 9 km deep · 40 km away
54. 1.64km W of Cobb, CASun, Apr 18, 1:40 AM PDT · 1996 days ago · 2 km deep · 5 km away
55. 1.97km NW of The Geysers, CASun, Apr 18, 1:41 AM PDT · 1996 days ago · 2 km deep · 4 km away · felt by 1
56. 1.56km E of Redwood Valley, CASun, Apr 18, 3:25 AM PDT · 1996 days ago · 6 km deep · 53 km away
57. 1.63km NNW of Angwin, CASun, Apr 18, 9:47 AM PDT · 1995 days ago · 0 km deep · 41 km away
58. 1.78km ESE of Willits, CASun, Apr 18, 12:25 PM PDT · 1995 days ago · -1 km deep · 71 km away
59. 2.87km NW of The Geysers, CASun, Apr 18, 7:21 PM PDT · 1995 days ago · 2 km deep · 2 km away · felt by 5
60. 1.79km WNW of Cobb, CASun, Apr 18, 10:43 PM PDT · 1995 days ago · 2 km deep · 1 km away

The first 60 of 198.

Before

1. 1.68km NW of The Geysers, CAWed, Mar 31, 4:32 PM PDT · 2013 days ago · 2 km deep · 2 km away
2. 1.78km NW of The Geysers, CAWed, Mar 31, 3:37 PM PDT · 2013 days ago · 2 km deep · 2 km away
3. 1.51km WNW of The Geysers, CAWed, Mar 31, 4:17 AM PDT · 2014 days ago · 1 km deep · 9 km away
4. 1.75km W of Cobb, CATue, Mar 30, 10:21 AM PDT · 2014 days ago · 2 km deep · 4 km away
5. 1.83km NNW of The Geysers, CATue, Mar 30, 10:15 AM PDT · 2014 days ago · 0 km deep · 6 km away
6. 1.93km NNW of The Geysers, CATue, Mar 30, 10:07 AM PDT · 2014 days ago · 0 km deep · 6 km away
7. 3.15km W of Cobb, CATue, Mar 30, 10:05 AM PDT · 2014 days ago · 1 km deep · 4 km away · felt by 12
8. 1.820km NNW of Boonville, CATue, Mar 30, 2:56 AM PDT · 2015 days ago · 5 km deep · 67 km away
9. 2.04km NW of The Geysers, CAMon, Mar 29, 3:38 PM PDT · 2015 days ago · 1 km deep · 6 km away · felt by 1
10. 1.77km E of Willits, CASun, Mar 28, 6:45 AM PDT · 2016 days ago · 7 km deep · 74 km away
11. 1.913km SE of Talmage, CASat, Mar 27, 7:53 AM PDT · 2017 days ago · 2 km deep · 31 km away
12. 2.04km SSW of Anderson Springs, CASat, Mar 27, 2:00 AM PDT · 2018 days ago · 1 km deep · 15 km away
13. 2.813km SE of Talmage, CAFri, Mar 26, 3:14 PM PDT · 2018 days ago · -1 km deep · 31 km away · felt by 17
14. 2.813km SE of Talmage, CAFri, Mar 26, 3:12 PM PDT · 2018 days ago · 2 km deep · 31 km away · felt by 4
15. 1.96km NW of The Geysers, CAFri, Mar 26, 1:40 PM PDT · 2018 days ago · 3 km deep · 3 km away
16. 1.54km WNW of The Geysers, CAFri, Mar 26, 11:13 AM PDT · 2018 days ago · 0 km deep · 6 km away
17. 1.76km WNW of Cobb, CAFri, Mar 26, 12:33 AM PDT · 2019 days ago · 2 km deep · 2 km away
18. 2.26km WNW of Cobb, CAFri, Mar 26, 12:21 AM PDT · 2019 days ago · 2 km deep · 2 km away
19. 1.610km SE of Laytonville, CAThu, Mar 25, 10:08 PM PDT · 2019 days ago · 10 km deep · 100 km away
20. 2.410km SE of Willits, CAThu, Mar 25, 9:42 AM PDT · 2019 days ago · 6 km deep · 68 km away · felt by 2

From the USGS Earthquake Hazards Program and its partner networks, event nc73544655. Read Sun, Oct 4, 2026, 11:44 PM UTC.