M1.9 earthquake 7km W of Cobb, CA

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, Mar 21, 2021, 7:27 PM PDT

UTC

2021-03-22 02:27:55 UTC

Depth

2.5 km (1.6 mi), shallow

Epicenter

38.834° N, 122.807° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.03

Depth from

From location

Station coverage gap

47°

Stations used

33

• Cobb, CaliforniaPopulation 1,778. Forecast7 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast21 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast44 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast670 kmNW

After

1. 2.73km SSW of Anderson Springs, CAMon, Mar 22, 3:39 PM PDT · 2021 days ago · 2 km deep · 13 km away · felt by 1
2. 1.63km ENE of The Geysers, CAMon, Mar 22, 6:15 PM PDT · 2021 days ago · 1 km deep · 9 km away
3. 2.39km WNW of The Geysers, CATue, Mar 23, 8:31 AM PDT · 2021 days ago · 2 km deep · 4 km away
4. 2.24km W of Cobb, CATue, Mar 23, 10:06 AM PDT · 2021 days ago · 2 km deep · 4 km away
5. 2.24km W of Cobb, CATue, Mar 23, 10:14 AM PDT · 2021 days ago · 2 km deep · 4 km away
6. 2.24km SSW of Anderson Springs, CATue, Mar 23, 1:59 PM PDT · 2021 days ago · 2 km deep · 13 km away
7. 1.84km SSW of Anderson Springs, CATue, Mar 23, 2:06 PM PDT · 2021 days ago · 1 km deep · 13 km away
8. 2.810km ENE of Yountville, CATue, Mar 23, 2:15 PM PDT · 2021 days ago · 11 km deep · 66 km away · felt by 42
9. 1.811km ENE of Yountville, CATue, Mar 23, 3:43 PM PDT · 2020 days ago · 7 km deep · 67 km away · felt by 1
10. 1.75km NW of The Geysers, CATue, Mar 23, 9:51 PM PDT · 2020 days ago · 1 km deep · 3 km away
11. 1.86km WNW of The Geysers, CATue, Mar 23, 11:01 PM PDT · 2020 days ago · 3 km deep · 4 km away
12. 2.27km SW of Arbuckle, CAWed, Mar 24, 5:59 AM PDT · 2020 days ago · 15 km deep · 61 km away · felt by 1
13. 4.021km SSW of Willits, CAWed, Mar 24, 8:41 AM PDT · 2020 days ago · 8 km deep · 74 km away · felt by 126
14. 2.821km SSW of Willits, CAWed, Mar 24, 9:45 AM PDT · 2020 days ago · 7 km deep · 74 km away · felt by 13
15. 1.620km SSW of Willits, CAWed, Mar 24, 9:57 AM PDT · 2020 days ago · 8 km deep · 74 km away
16. 1.94km SW of Anderson Springs, CAWed, Mar 24, 2:51 PM PDT · 2019 days ago · 2 km deep · 12 km away
17. 2.410km SE of Willits, CAThu, Mar 25, 9:42 AM PDT · 2019 days ago · 6 km deep · 70 km away · felt by 2
18. 2.26km WNW of Cobb, CAFri, Mar 26, 12:21 AM PDT · 2018 days ago · 2 km deep · 1 km away
19. 1.76km WNW of Cobb, CAFri, Mar 26, 12:33 AM PDT · 2018 days ago · 2 km deep · 1 km away
20. 1.54km WNW of The Geysers, CAFri, Mar 26, 11:13 AM PDT · 2018 days ago · 0 km deep · 4 km away
21. 1.96km NW of The Geysers, CAFri, Mar 26, 1:40 PM PDT · 2018 days ago · 3 km deep · 2 km away
22. 2.813km SE of Talmage, CAFri, Mar 26, 3:12 PM PDT · 2017 days ago · 2 km deep · 33 km away · felt by 4
23. 2.813km SE of Talmage, CAFri, Mar 26, 3:14 PM PDT · 2017 days ago · -1 km deep · 33 km away · felt by 17
24. 2.04km SSW of Anderson Springs, CASat, Mar 27, 2:00 AM PDT · 2017 days ago · 1 km deep · 13 km away
25. 1.913km SE of Talmage, CASat, Mar 27, 7:53 AM PDT · 2017 days ago · 2 km deep · 32 km away
26. 1.77km E of Willits, CASun, Mar 28, 6:45 AM PDT · 2016 days ago · 7 km deep · 76 km away
27. 2.04km NW of The Geysers, CAMon, Mar 29, 3:38 PM PDT · 2014 days ago · 1 km deep · 4 km away · felt by 1
28. 1.820km NNW of Boonville, CATue, Mar 30, 2:56 AM PDT · 2014 days ago · 5 km deep · 69 km away
29. 3.15km W of Cobb, CATue, Mar 30, 10:05 AM PDT · 2014 days ago · 1 km deep · 3 km away · felt by 12
30. 1.93km NNW of The Geysers, CATue, Mar 30, 10:07 AM PDT · 2014 days ago · 0 km deep · 4 km away
31. 1.83km NNW of The Geysers, CATue, Mar 30, 10:15 AM PDT · 2014 days ago · 0 km deep · 4 km away
32. 1.75km W of Cobb, CATue, Mar 30, 10:21 AM PDT · 2014 days ago · 2 km deep · 3 km away
33. 1.51km WNW of The Geysers, CAWed, Mar 31, 4:17 AM PDT · 2013 days ago · 1 km deep · 7 km away
34. 1.78km NW of The Geysers, CAWed, Mar 31, 3:37 PM PDT · 2012 days ago · 2 km deep · 1 km away
35. 1.68km NW of The Geysers, CAWed, Mar 31, 4:32 PM PDT · 2012 days ago · 2 km deep · 1 km away
36. 1.98km WNW of Cobb, CAWed, Mar 31, 9:46 PM PDT · 2012 days ago · 1 km deep · 2 km away · felt by 1
37. 1.78km NW of The Geysers, CAWed, Mar 31, 11:19 PM PDT · 2012 days ago · 2 km deep · 1 km away
38. 1.610km WNW of Calistoga, CAThu, Apr 1, 2:33 AM PDT · 2012 days ago · 8 km deep · 27 km away · felt by 1
39. 1.510km ESE of Willits, CAThu, Apr 1, 2:53 AM PDT · 2012 days ago · 7 km deep · 70 km away
40. 1.713km W of Lakeport, CAThu, Apr 1, 3:29 AM PDT · 2012 days ago · 0 km deep · 32 km away
41. 2.33km NE of The Geysers, CAThu, Apr 1, 2:41 PM PDT · 2011 days ago · 2 km deep · 7 km away · felt by 1
42. 1.512km WNW of Upper Lake, CASat, Apr 3, 2:52 AM PDT · 2010 days ago · 9 km deep · 46 km away
43. 2.52km SSW of Cobb, CAMon, Apr 5, 9:42 AM PDT · 2008 days ago · 2 km deep · 7 km away · felt by 5
44. 1.65km WNW of The Geysers, CATue, Apr 6, 6:54 AM PDT · 2007 days ago · 3 km deep · 4 km away
45. 1.99km WNW of The Geysers, CATue, Apr 6, 9:58 AM PDT · 2007 days ago · 2 km deep · 3 km away
46. 1.82km N of Lake Pillsbury, CATue, Apr 6, 2:49 PM PDT · 2006 days ago · 7 km deep · 67 km away
47. 1.87km NW of The Geysers, CATue, Apr 6, 3:21 PM PDT · 2006 days ago · 2 km deep · 1 km away
48. 1.57km NW of The Geysers, CATue, Apr 6, 8:21 PM PDT · 2006 days ago · 2 km deep · 2 km away
49. 2.44km WNW of The Geysers, CAWed, Apr 7, 5:13 AM PDT · 2006 days ago · 3 km deep · 5 km away · felt by 2
50. 2.94km WNW of The Geysers, CAWed, Apr 7, 5:56 AM PDT · 2006 days ago · 4 km deep · 5 km away · felt by 15
51. 2.56km S of Calistoga, CAWed, Apr 7, 8:17 AM PDT · 2006 days ago · 9 km deep · 40 km away · felt by 10
52. 1.66km NNE of Windsor, CAWed, Apr 7, 1:57 PM PDT · 2006 days ago · 5 km deep · 27 km away
53. 1.56km NW of The Geysers, CAWed, Apr 7, 8:45 PM PDT · 2005 days ago · 2 km deep · 2 km away
54. 1.74km S of Redwood Valley, CAThu, Apr 8, 12:36 PM PDT · 2005 days ago · 5 km deep · 56 km away
55. 2.35km NW of The Geysers, CAThu, Apr 8, 1:33 PM PDT · 2005 days ago · 3 km deep · 3 km away · felt by 2
56. 1.62km SW of Cobb, CAThu, Apr 8, 7:38 PM PDT · 2004 days ago · 2 km deep · 7 km away
57. 1.512km N of Brooktrails, CAThu, Apr 8, 7:42 PM PDT · 2004 days ago · 8 km deep · 94 km away
58. 1.95km WNW of The Geysers, CAFri, Apr 9, 10:16 PM PDT · 2003 days ago · 3 km deep · 5 km away
59. 1.96km NW of The Geysers, CASat, Apr 10, 4:01 AM PDT · 2003 days ago · 3 km deep · 2 km away
60. 3.36km S of Calistoga, CASat, Apr 10, 7:13 AM PDT · 2003 days ago · 9 km deep · 40 km away · felt by 262

The first 60 of 197.

Before

1. 1.522km E of Navarro Head, CASun, Mar 21, 4:37 PM PDT · 2022 days ago · 1 km deep · 74 km away
2. 1.65km S of Yountville, CASun, Mar 21, 8:17 AM PDT · 2023 days ago · 5 km deep · 66 km away
3. 2.013km WNW of Lake Pillsbury, CASun, Mar 21, 7:18 AM PDT · 2023 days ago · 1 km deep · 72 km away
4. 1.95km NW of The Geysers, CASun, Mar 21, 5:55 AM PDT · 2023 days ago · 3 km deep · 3 km away
5. 1.81km NNE of The Geysers, CASun, Mar 21, 2:58 AM PDT · 2023 days ago · 2 km deep · 7 km away
6. 1.89km WNW of The Geysers, CASat, Mar 20, 12:20 AM PDT · 2024 days ago · 2 km deep · 4 km away
7. 1.911km N of Healdsburg, CAFri, Mar 19, 2:33 PM PDT · 2025 days ago · 6 km deep · 15 km away
8. 2.713km W of Lake Pillsbury, CAThu, Mar 18, 5:52 PM PDT · 2025 days ago · 1 km deep · 71 km away · felt by 6
9. 2.27km NW of The Geysers, CAThu, Mar 18, 4:17 PM PDT · 2025 days ago · 3 km deep · 1 km away
10. 1.613km NW of The Geysers, CAThu, Mar 18, 12:33 PM PDT · 2026 days ago · 3 km deep · 6 km away
11. 2.710km WNW of American Canyon, CAThu, Mar 18, 7:01 AM PDT · 2026 days ago · 9 km deep · 79 km away · felt by 20
12. 1.910km ESE of Willits, CATue, Mar 16, 7:02 PM PDT · 2027 days ago · 6 km deep · 70 km away
13. 1.62km E of Vallejo, CASun, Mar 14, 11:24 AM PDT · 2030 days ago · 7 km deep · 96 km away
14. 1.76km SSW of Yountville, CASun, Mar 14, 10:55 AM PDT · 2030 days ago · 7 km deep · 65 km away · felt by 1
15. 1.810km ESE of Willits, CASat, Mar 13, 7:14 PM PST · 2030 days ago · 6 km deep · 70 km away
16. 1.822km SE of Covelo, CASat, Mar 13, 1:54 PM PST · 2030 days ago · 5 km deep · 92 km away
17. 1.88km NW of The Geysers, CASat, Mar 13, 5:17 AM PST · 2031 days ago · 2 km deep · 1 km away
18. 1.910km NNW of Redwood Valley, CASat, Mar 13, 2:35 AM PST · 2031 days ago · 6 km deep · 68 km away
19. 1.818km SE of Lake Pillsbury, CAFri, Mar 12, 3:12 PM PST · 2031 days ago · 7 km deep · 52 km away
20. 2.018km NE of Upper Lake, CAFri, Mar 12, 9:56 AM PST · 2032 days ago · 2 km deep · 49 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73540405. Read Sun, Oct 4, 2026, 9:10 AM UTC.