M1.6 earthquake 3km SSW of Cobb, CA

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Mar 4, 2021, 1:10 AM PST

UTC

2021-03-04 09:10:38 UTC

Depth

2.1 km (1.3 mi), shallow

Epicenter

38.800° N, 122.733° 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

±0.08

Depth from

From location

Station coverage gap

50°

Stations used

45

• Cobb, CaliforniaPopulation 1,778. Forecast3 kmSSW
• Clearlake, CaliforniaPopulation 15,182. Forecast20 kmSSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast40 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast663 kmNW

After

1. 3.16km WSW of St. Helena, CAThu, Mar 4, 7:53 AM PST · 2039 days ago · 11 km deep · 40 km away · felt by 234
2. 1.85km SSW of Redwood Valley, CAThu, Mar 4, 9:12 AM PST · 2039 days ago · 0 km deep · 64 km away
3. 1.75km NW of The Geysers, CAFri, Mar 5, 5:40 AM PST · 2038 days ago · 3 km deep · 5 km away
4. 2.013km W of Lake Pillsbury, CAFri, Mar 5, 8:12 AM PST · 2038 days ago · -1 km deep · 76 km away
5. 1.64km NNW of The Geysers, CAFri, Mar 5, 5:52 PM PST · 2038 days ago · 1 km deep · 4 km away · felt by 3
6. 2.74km NNW of The Geysers, CAFri, Mar 5, 5:52 PM PST · 2038 days ago · 1 km deep · 4 km away · felt by 2
7. 2.34km NW of The Geysers, CAFri, Mar 5, 5:53 PM PST · 2038 days ago · 2 km deep · 4 km away
8. 1.75km WNW of Angwin, CAFri, Mar 5, 6:07 PM PST · 2038 days ago · 4 km deep · 30 km away
9. 1.99km NNE of Brooktrails, CAFri, Mar 5, 9:15 PM PST · 2038 days ago · 9 km deep · 96 km away
10. 1.52km E of The Geysers, CASun, Mar 7, 12:08 AM PST · 2036 days ago · 1 km deep · 3 km away
11. 2.611km ESE of Willits, CASun, Mar 7, 8:03 AM PST · 2036 days ago · 7 km deep · 77 km away · felt by 19
12. 1.520km SSW of Willits, CASun, Mar 7, 1:23 PM PST · 2036 days ago · 6 km deep · 79 km away
13. 1.66km NW of The Geysers, CASun, Mar 7, 5:07 PM PST · 2036 days ago · 3 km deep · 7 km away
14. 1.810km ESE of Willits, CASun, Mar 7, 8:04 PM PST · 2036 days ago · 5 km deep · 77 km away
15. 1.53km W of Cobb, CAMon, Mar 8, 6:23 AM PST · 2035 days ago · 2 km deep · 3 km away
16. 2.06km NW of The Geysers, CAWed, Mar 10, 12:25 AM PST · 2033 days ago · 3 km deep · 6 km away
17. 1.72km NW of The Geysers, CAWed, Mar 10, 4:45 AM PST · 2033 days ago · 2 km deep · 3 km away
18. 1.76km NW of The Geysers, CAWed, Mar 10, 5:40 AM PST · 2033 days ago · 3 km deep · 6 km away
19. 1.65km WNW of Cobb, CAWed, Mar 10, 3:45 PM PST · 2033 days ago · 2 km deep · 6 km away
20. 2.13km W of Cobb, CAThu, Mar 11, 9:40 PM PST · 2032 days ago · 2 km deep · 3 km away
21. 1.86km NW of The Geysers, CAFri, Mar 12, 5:16 AM PST · 2031 days ago · 3 km deep · 6 km away
22. 2.018km NE of Upper Lake, CAFri, Mar 12, 9:56 AM PST · 2031 days ago · 2 km deep · 53 km away
23. 1.818km SE of Lake Pillsbury, CAFri, Mar 12, 3:12 PM PST · 2031 days ago · 7 km deep · 56 km away
24. 1.910km NNW of Redwood Valley, CASat, Mar 13, 2:35 AM PST · 2030 days ago · 6 km deep · 75 km away
25. 1.88km NW of The Geysers, CASat, Mar 13, 5:17 AM PST · 2030 days ago · 2 km deep · 8 km away
26. 1.822km SE of Covelo, CASat, Mar 13, 1:54 PM PST · 2030 days ago · 5 km deep · 97 km away
27. 1.810km ESE of Willits, CASat, Mar 13, 7:14 PM PST · 2030 days ago · 6 km deep · 77 km away
28. 1.76km SSW of Yountville, CASun, Mar 14, 10:55 AM PDT · 2029 days ago · 7 km deep · 59 km away · felt by 1
29. 1.62km E of Vallejo, CASun, Mar 14, 11:24 AM PDT · 2029 days ago · 7 km deep · 89 km away
30. 1.910km ESE of Willits, CATue, Mar 16, 7:02 PM PDT · 2027 days ago · 6 km deep · 77 km away
31. 2.710km WNW of American Canyon, CAThu, Mar 18, 7:01 AM PDT · 2025 days ago · 9 km deep · 73 km away · felt by 20
32. 1.613km NW of The Geysers, CAThu, Mar 18, 12:33 PM PDT · 2025 days ago · 3 km deep · 13 km away
33. 2.27km NW of The Geysers, CAThu, Mar 18, 4:17 PM PDT · 2025 days ago · 3 km deep · 7 km away
34. 2.713km W of Lake Pillsbury, CAThu, Mar 18, 5:52 PM PDT · 2025 days ago · 1 km deep · 77 km away · felt by 6
35. 1.911km N of Healdsburg, CAFri, Mar 19, 2:33 PM PDT · 2024 days ago · 6 km deep · 15 km away
36. 1.89km WNW of The Geysers, CASat, Mar 20, 12:20 AM PDT · 2023 days ago · 2 km deep · 10 km away
37. 1.81km NNE of The Geysers, CASun, Mar 21, 2:58 AM PDT · 2022 days ago · 2 km deep · 2 km away
38. 1.95km NW of The Geysers, CASun, Mar 21, 5:55 AM PDT · 2022 days ago · 3 km deep · 6 km away
39. 2.013km WNW of Lake Pillsbury, CASun, Mar 21, 7:18 AM PDT · 2022 days ago · 1 km deep · 78 km away
40. 1.65km S of Yountville, CASun, Mar 21, 8:17 AM PDT · 2022 days ago · 5 km deep · 59 km away
41. 1.522km E of Navarro Head, CASun, Mar 21, 4:37 PM PDT · 2022 days ago · 1 km deep · 81 km away
42. 1.97km W of Cobb, CASun, Mar 21, 7:27 PM PDT · 2022 days ago · 3 km deep · 8 km away
43. 2.73km SSW of Anderson Springs, CAMon, Mar 22, 3:39 PM PDT · 2021 days ago · 2 km deep · 6 km away · felt by 1
44. 1.63km ENE of The Geysers, CAMon, Mar 22, 6:15 PM PDT · 2021 days ago · 1 km deep · 2 km away
45. 2.39km WNW of The Geysers, CATue, Mar 23, 8:31 AM PDT · 2020 days ago · 2 km deep · 10 km away
46. 2.24km W of Cobb, CATue, Mar 23, 10:06 AM PDT · 2020 days ago · 2 km deep · 4 km away
47. 2.24km W of Cobb, CATue, Mar 23, 10:14 AM PDT · 2020 days ago · 2 km deep · 4 km away
48. 2.24km SSW of Anderson Springs, CATue, Mar 23, 1:59 PM PDT · 2020 days ago · 2 km deep · 6 km away
49. 1.84km SSW of Anderson Springs, CATue, Mar 23, 2:06 PM PDT · 2020 days ago · 1 km deep · 7 km away
50. 2.810km ENE of Yountville, CATue, Mar 23, 2:15 PM PDT · 2020 days ago · 11 km deep · 59 km away · felt by 42
51. 1.811km ENE of Yountville, CATue, Mar 23, 3:43 PM PDT · 2020 days ago · 7 km deep · 59 km away · felt by 1
52. 1.75km NW of The Geysers, CATue, Mar 23, 9:51 PM PDT · 2020 days ago · 1 km deep · 7 km away
53. 1.86km WNW of The Geysers, CATue, Mar 23, 11:01 PM PDT · 2020 days ago · 3 km deep · 7 km away
54. 2.27km SW of Arbuckle, CAWed, Mar 24, 5:59 AM PDT · 2019 days ago · 15 km deep · 56 km away · felt by 1
55. 4.021km SSW of Willits, CAWed, Mar 24, 8:41 AM PDT · 2019 days ago · 8 km deep · 81 km away · felt by 126
56. 2.821km SSW of Willits, CAWed, Mar 24, 9:45 AM PDT · 2019 days ago · 7 km deep · 81 km away · felt by 13
57. 1.620km SSW of Willits, CAWed, Mar 24, 9:57 AM PDT · 2019 days ago · 8 km deep · 82 km away
58. 1.94km SW of Anderson Springs, CAWed, Mar 24, 2:51 PM PDT · 2019 days ago · 2 km deep · 6 km away
59. 2.410km SE of Willits, CAThu, Mar 25, 9:42 AM PDT · 2018 days ago · 6 km deep · 77 km away · felt by 2
60. 2.26km WNW of Cobb, CAFri, Mar 26, 12:21 AM PDT · 2017 days ago · 2 km deep · 7 km away

The first 60 of 191.

Before

1. 2.08km W of Cobb, CAWed, Mar 3, 5:37 PM PST · 2040 days ago · 2 km deep · 8 km away · felt by 1
2. 1.96km ESE of St. Helena, CATue, Mar 2, 4:47 PM PST · 2041 days ago · 7 km deep · 45 km away
3. 1.77km SW of Boonville, CATue, Mar 2, 12:44 PM PST · 2041 days ago · 0 km deep · 63 km away
4. 2.93km SE of The Geysers, CAMon, Mar 1, 2:26 PM PST · 2042 days ago · 1 km deep · 5 km away · felt by 7
5. 2.52km SE of The Geysers, CAMon, Mar 1, 2:26 PM PST · 2042 days ago · 1 km deep · 4 km away
6. 2.210km N of Cloverdale, CAMon, Mar 1, 11:14 AM PST · 2042 days ago · -1 km deep · 25 km away
7. 1.85km ESE of St. Helena, CAMon, Mar 1, 9:53 AM PST · 2042 days ago · 12 km deep · 45 km away · felt by 1
8. 1.65km WNW of Cobb, CAMon, Mar 1, 9:30 AM PST · 2042 days ago · 2 km deep · 6 km away
9. 2.35km WNW of Cobb, CAMon, Mar 1, 9:10 AM PST · 2042 days ago · 2 km deep · 6 km away · felt by 6
10. 2.11km ENE of The Geysers, CASun, Feb 28, 4:31 PM PST · 2043 days ago · -1 km deep · 3 km away
11. 2.01km ENE of The Geysers, CASun, Feb 28, 4:30 PM PST · 2043 days ago · 0 km deep · 2 km away
12. 1.81km NE of The Geysers, CASun, Feb 28, 4:30 PM PST · 2043 days ago · -1 km deep · 3 km away
13. 2.61km NW of The Geysers, CASat, Feb 27, 8:43 PM PST · 2044 days ago · 2 km deep · 3 km away · felt by 5
14. 1.88km NW of The Geysers, CASat, Feb 27, 1:15 AM PST · 2044 days ago · 2 km deep · 8 km away
15. 2.213km WNW of Calistoga, CAFri, Feb 26, 3:13 PM PST · 2045 days ago · 6 km deep · 18 km away · felt by 1
16. 1.65km NW of The Geysers, CAFri, Feb 26, 12:26 PM PST · 2045 days ago · 3 km deep · 5 km away
17. 1.67km NW of The Geysers, CAThu, Feb 25, 7:42 PM PST · 2046 days ago · 2 km deep · 8 km away
18. 2.36km WNW of The Geysers, CAThu, Feb 25, 11:39 AM PST · 2046 days ago · 3 km deep · 8 km away
19. 2.27km WNW of The Geysers, CAThu, Feb 25, 11:32 AM PST · 2046 days ago · 2 km deep · 8 km away
20. 3.87km NW of The Geysers, CAThu, Feb 25, 11:30 AM PST · 2046 days ago · 3 km deep · 8 km away · felt by 46

From the USGS Earthquake Hazards Program and its partner networks, event nc73531061. Read Sat, Oct 3, 2026, 6:16 PM UTC.