M1.5 earthquake 4km W of Cobb, CA

Magnitude

1.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Fri, Feb 19, 2021, 12:23 AM PST

UTC

2021-02-19 08:23:29 UTC

Depth

2.2 km (1.4 mi), shallow

Epicenter

38.824° N, 122.765° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.2 km in depth

Magnitude uncertainty

±0.11

Depth from

From location

Station coverage gap

50°

Stations used

48

• Cobb, CaliforniaPopulation 1,778. Forecast4 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast19 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast43 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast667 kmNW

After

1. 1.71km NW of The Geysers, CASat, Feb 20, 12:48 PM PST · 2051 days ago · 2 km deep · 4 km away
2. 1.62km N of The Geysers, CASat, Feb 20, 4:40 PM PST · 2051 days ago · 1 km deep · 4 km away
3. 1.68km NW of The Geysers, CASat, Feb 20, 5:45 PM PST · 2051 days ago · 2 km deep · 4 km away
4. 1.78km NE of Windsor, CASat, Feb 20, 7:05 PM PST · 2051 days ago · 4 km deep · 24 km away
5. 2.28km WNW of Cobb, CASun, Feb 21, 10:54 AM PST · 2050 days ago · 2 km deep · 4 km away
6. 1.63km SW of Cobb, CASun, Feb 21, 2:54 PM PST · 2050 days ago · 1 km deep · 3 km away
7. 1.65km N of Lake Pillsbury, CAMon, Feb 22, 2:29 AM PST · 2049 days ago · 9 km deep · 72 km away
8. 1.83km SE of The Geysers, CAMon, Feb 22, 7:28 AM PST · 2049 days ago · 2 km deep · 8 km away
9. 1.81km WNW of The Geysers, CAMon, Feb 22, 12:46 PM PST · 2049 days ago · 1 km deep · 5 km away
10. 1.78km NW of The Geysers, CATue, Feb 23, 4:03 AM PST · 2048 days ago · 2 km deep · 5 km away
11. 1.88km NE of Windsor, CATue, Feb 23, 5:38 PM PST · 2048 days ago · 6 km deep · 24 km away
12. 2.013km E of Angwin, CAWed, Feb 24, 3:07 AM PST · 2047 days ago · 7 km deep · 50 km away
13. 2.113km E of Angwin, CAWed, Feb 24, 3:12 AM PST · 2047 days ago · 8 km deep · 50 km away · felt by 1
14. 2.14km NW of The Geysers, CAWed, Feb 24, 6:46 AM PST · 2047 days ago · 0 km deep · 3 km away
15. 1.94km NW of The Geysers, CAWed, Feb 24, 6:47 AM PST · 2047 days ago · 0 km deep · 2 km away
16. 1.52km NW of The Geysers, CAWed, Feb 24, 10:49 AM PST · 2047 days ago · 1 km deep · 4 km away
17. 3.87km NW of The Geysers, CAThu, Feb 25, 11:30 AM PST · 2046 days ago · 3 km deep · 5 km away · felt by 46
18. 2.27km WNW of The Geysers, CAThu, Feb 25, 11:32 AM PST · 2046 days ago · 2 km deep · 5 km away
19. 2.36km WNW of The Geysers, CAThu, Feb 25, 11:39 AM PST · 2046 days ago · 3 km deep · 5 km away
20. 1.67km NW of The Geysers, CAThu, Feb 25, 7:42 PM PST · 2046 days ago · 2 km deep · 5 km away
21. 1.65km NW of The Geysers, CAFri, Feb 26, 12:26 PM PST · 2045 days ago · 3 km deep · 3 km away
22. 2.213km WNW of Calistoga, CAFri, Feb 26, 3:13 PM PST · 2045 days ago · 6 km deep · 22 km away · felt by 1
23. 1.88km NW of The Geysers, CASat, Feb 27, 1:15 AM PST · 2044 days ago · 2 km deep · 4 km away
24. 2.61km NW of The Geysers, CASat, Feb 27, 8:43 PM PST · 2044 days ago · 2 km deep · 4 km away · felt by 5
25. 1.81km NE of The Geysers, CASun, Feb 28, 4:30 PM PST · 2043 days ago · -1 km deep · 5 km away
26. 2.01km ENE of The Geysers, CASun, Feb 28, 4:30 PM PST · 2043 days ago · 0 km deep · 5 km away
27. 2.11km ENE of The Geysers, CASun, Feb 28, 4:31 PM PST · 2043 days ago · -1 km deep · 5 km away
28. 2.35km WNW of Cobb, CAMon, Mar 1, 9:10 AM PST · 2042 days ago · 2 km deep · 2 km away · felt by 6
29. 1.65km WNW of Cobb, CAMon, Mar 1, 9:30 AM PST · 2042 days ago · 2 km deep · 2 km away
30. 1.85km ESE of St. Helena, CAMon, Mar 1, 9:53 AM PST · 2042 days ago · 12 km deep · 49 km away · felt by 1
31. 2.210km N of Cloverdale, CAMon, Mar 1, 11:14 AM PST · 2042 days ago · -1 km deep · 22 km away
32. 2.52km SE of The Geysers, CAMon, Mar 1, 2:26 PM PST · 2042 days ago · 1 km deep · 7 km away
33. 2.93km SE of The Geysers, CAMon, Mar 1, 2:26 PM PST · 2042 days ago · 1 km deep · 8 km away · felt by 7
34. 1.77km SW of Boonville, CATue, Mar 2, 12:44 PM PST · 2041 days ago · 0 km deep · 59 km away
35. 1.96km ESE of St. Helena, CATue, Mar 2, 4:47 PM PST · 2041 days ago · 7 km deep · 49 km away
36. 2.08km W of Cobb, CAWed, Mar 3, 5:37 PM PST · 2040 days ago · 2 km deep · 4 km away · felt by 1
37. 1.63km SSW of Cobb, CAThu, Mar 4, 1:10 AM PST · 2039 days ago · 2 km deep · 4 km away
38. 3.16km WSW of St. Helena, CAThu, Mar 4, 7:53 AM PST · 2039 days ago · 11 km deep · 43 km away · felt by 234
39. 1.85km SSW of Redwood Valley, CAThu, Mar 4, 9:12 AM PST · 2039 days ago · 0 km deep · 60 km away
40. 1.75km NW of The Geysers, CAFri, Mar 5, 5:40 AM PST · 2038 days ago · 3 km deep · 3 km away
41. 2.013km W of Lake Pillsbury, CAFri, Mar 5, 8:12 AM PST · 2038 days ago · -1 km deep · 73 km away
42. 1.64km NNW of The Geysers, CAFri, Mar 5, 5:52 PM PST · 2038 days ago · 1 km deep · 2 km away · felt by 3
43. 2.74km NNW of The Geysers, CAFri, Mar 5, 5:52 PM PST · 2038 days ago · 1 km deep · 2 km away · felt by 2
44. 2.34km NW of The Geysers, CAFri, Mar 5, 5:53 PM PST · 2038 days ago · 2 km deep · 3 km away
45. 1.75km WNW of Angwin, CAFri, Mar 5, 6:07 PM PST · 2038 days ago · 4 km deep · 34 km away
46. 1.99km NNE of Brooktrails, CAFri, Mar 5, 9:15 PM PST · 2038 days ago · 9 km deep · 92 km away
47. 1.52km E of The Geysers, CASun, Mar 7, 12:08 AM PST · 2037 days ago · 1 km deep · 6 km away
48. 2.611km ESE of Willits, CASun, Mar 7, 8:03 AM PST · 2036 days ago · 7 km deep · 73 km away · felt by 19
49. 1.520km SSW of Willits, CASun, Mar 7, 1:23 PM PST · 2036 days ago · 6 km deep · 75 km away
50. 1.66km NW of The Geysers, CASun, Mar 7, 5:07 PM PST · 2036 days ago · 3 km deep · 4 km away
51. 1.810km ESE of Willits, CASun, Mar 7, 8:04 PM PST · 2036 days ago · 5 km deep · 73 km away
52. 1.53km W of Cobb, CAMon, Mar 8, 6:23 AM PST · 2035 days ago · 2 km deep · 1 km away
53. 2.06km NW of The Geysers, CAWed, Mar 10, 12:25 AM PST · 2034 days ago · 3 km deep · 3 km away
54. 1.72km NW of The Geysers, CAWed, Mar 10, 4:45 AM PST · 2033 days ago · 2 km deep · 4 km away
55. 1.76km NW of The Geysers, CAWed, Mar 10, 5:40 AM PST · 2033 days ago · 3 km deep · 3 km away
56. 1.65km WNW of Cobb, CAWed, Mar 10, 3:45 PM PST · 2033 days ago · 2 km deep · 2 km away
57. 2.13km W of Cobb, CAThu, Mar 11, 9:40 PM PST · 2032 days ago · 2 km deep · 1 km away
58. 1.86km NW of The Geysers, CAFri, Mar 12, 5:16 AM PST · 2031 days ago · 3 km deep · 3 km away
59. 2.018km NE of Upper Lake, CAFri, Mar 12, 9:56 AM PST · 2031 days ago · 2 km deep · 50 km away
60. 1.818km SE of Lake Pillsbury, CAFri, Mar 12, 3:12 PM PST · 2031 days ago · 7 km deep · 53 km away

The first 60 of 184.

Before

1. 1.86km WNW of Cobb, CAThu, Feb 18, 2:36 PM PST · 2053 days ago · 2 km deep · 2 km away
2. 1.55km E of Clearlake Oaks, CAThu, Feb 18, 5:19 AM PST · 2053 days ago · -1 km deep · 26 km away
3. 1.68km WNW of The Geysers, CAWed, Feb 17, 10:15 PM PST · 2054 days ago · 2 km deep · 6 km away
4. 2.210km ESE of Hidden Valley Lake, CAWed, Feb 17, 8:12 PM PST · 2054 days ago · 8 km deep · 28 km away
5. 2.15km WNW of Cobb, CATue, Feb 16, 4:23 PM PST · 2055 days ago · 2 km deep · 2 km away
6. 1.79km WNW of The Geysers, CATue, Feb 16, 3:35 PM PST · 2055 days ago · 2 km deep · 7 km away
7. 1.95km NW of The Geysers, CATue, Feb 16, 2:31 PM PST · 2055 days ago · 3 km deep · 4 km away
8. 1.78km NW of The Geysers, CAMon, Feb 15, 12:21 PM PST · 2056 days ago · 2 km deep · 5 km away
9. 1.58km SSW of Kelseyville, CASun, Feb 14, 11:47 PM PST · 2057 days ago · 4 km deep · 14 km away
10. 2.23km SW of Green Valley, CASun, Feb 14, 4:03 PM PST · 2057 days ago · 11 km deep · 83 km away
11. 1.613km ESE of Hidden Valley Lake, CASun, Feb 14, 12:13 PM PST · 2057 days ago · 7 km deep · 31 km away
12. 1.66km WNW of The Geysers, CASun, Feb 14, 11:20 AM PST · 2057 days ago · 3 km deep · 5 km away
13. 2.13km NE of The Geysers, CASat, Feb 13, 2:05 PM PST · 2058 days ago · 2 km deep · 4 km away · felt by 1
14. 1.66km WNW of The Geysers, CASat, Feb 13, 2:20 AM PST · 2058 days ago · 3 km deep · 5 km away
15. 2.56km WNW of The Geysers, CASat, Feb 13, 1:44 AM PST · 2058 days ago · 3 km deep · 5 km away · felt by 1
16. 1.83km SSW of Anderson Springs, CASat, Feb 13, 12:02 AM PST · 2059 days ago · 1 km deep · 10 km away
17. 2.42km NE of The Geysers, CAFri, Feb 12, 11:55 PM PST · 2059 days ago · 1 km deep · 5 km away · felt by 1
18. 1.712km W of Lakeport, CAFri, Feb 12, 11:35 AM PST · 2059 days ago · 5 km deep · 34 km away
19. 1.56km NNW of Point Arena, CAFri, Feb 12, 2:53 AM PST · 2059 days ago · 7 km deep · 84 km away
20. 1.521km ENE of Navarro Head, CAThu, Feb 11, 11:03 PM PST · 2060 days ago · 7 km deep · 81 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73524896. Read Sat, Oct 3, 2026, 8:07 PM UTC.