M1.5 earthquake 7km S of Calistoga, CA

Magnitude

1.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Sep 6, 2021, 3:48 AM PDT

UTC

2021-09-06 10:48:49 UTC

Depth

8.5 km (5.3 mi), shallow

Epicenter

38.520° N, 122.592° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.23

Depth from

From location

Station coverage gap

62°

Stations used

61

• Calistoga, CaliforniaPopulation 5,330. Forecast7 kmS
• Santa Rosa, CaliforniaPopulation 178,127. Forecast14 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast631 kmNW

After

1. 2.31km NNW of The Geysers, CAMon, Sep 6, 10:06 AM PDT · 1854 days ago · 1 km deep · 33 km away
2. 3.17km NW of The Geysers, CAMon, Sep 6, 3:34 PM PDT · 1854 days ago · 2 km deep · 38 km away · felt by 2
3. 2.56km NW of The Geysers, CAMon, Sep 6, 3:34 PM PDT · 1854 days ago · 3 km deep · 38 km away · felt by 1
4. 2.07km NW of The Geysers, CAMon, Sep 6, 7:24 PM PDT · 1854 days ago · 3 km deep · 38 km away
5. 1.66km WNW of The Geysers, CAMon, Sep 6, 8:48 PM PDT · 1854 days ago · 2 km deep · 38 km away
6. 1.59km WNW of Cobb, CATue, Sep 7, 12:34 AM PDT · 1853 days ago · 2 km deep · 41 km away
7. 1.83km SW of Anderson Springs, CATue, Sep 7, 2:40 PM PDT · 1853 days ago · 2 km deep · 28 km away · felt by 1
8. 1.57km W of Cobb, CAWed, Sep 8, 3:21 AM PDT · 1852 days ago · 2 km deep · 40 km away
9. 1.77km NW of The Geysers, CAWed, Sep 8, 5:04 AM PDT · 1852 days ago · 3 km deep · 38 km away
10. 2.15km NW of The Geysers, CAWed, Sep 8, 8:08 AM PDT · 1852 days ago · 2 km deep · 37 km away
11. 2.36km W of Cobb, CAThu, Sep 9, 9:42 AM PDT · 1851 days ago · 3 km deep · 38 km away
12. 1.76km WNW of Cobb, CAThu, Sep 9, 9:08 PM PDT · 1851 days ago · 2 km deep · 39 km away
13. 1.63km SSE of Redwood Valley, CAFri, Sep 10, 1:23 AM PDT · 1850 days ago · 6 km deep · 96 km away
14. 1.73km ESE of Pacheco, CAFri, Sep 10, 5:03 PM PDT · 1850 days ago · 12 km deep · 77 km away
15. 2.05km ENE of Talmage, CASat, Sep 11, 2:13 AM PDT · 1849 days ago · 9 km deep · 83 km away
16. 2.55km NW of The Geysers, CASat, Sep 11, 4:22 PM PDT · 1849 days ago · 2 km deep · 37 km away
17. 1.81km NW of Diablo, CASun, Sep 12, 5:31 AM PDT · 1848 days ago · 8 km deep · 93 km away
18. 1.610km WNW of Calistoga, CATue, Sep 14, 2:04 PM PDT · 1846 days ago · 4 km deep · 13 km away · felt by 1
19. 1.86km W of Allendale, CATue, Sep 14, 10:42 PM PDT · 1846 days ago · 21 km deep · 51 km away
20. 1.712km SE of Point Arena, CAThu, Sep 16, 2:13 AM PDT · 1844 days ago · 4 km deep · 93 km away
21. 1.83km ENE of The Geysers, CAThu, Sep 16, 3:59 AM PDT · 1844 days ago · 1 km deep · 32 km away
22. 2.45km WNW of The Geysers, CAThu, Sep 16, 9:38 AM PDT · 1844 days ago · 4 km deep · 36 km away
23. 1.714km SE of Lake Pillsbury, CAThu, Sep 16, 7:21 PM PDT · 1844 days ago · 1 km deep · 91 km away
24. 1.62km NW of Anderson Springs, CAFri, Sep 17, 1:03 PM PDT · 1843 days ago · 2 km deep · 31 km away
25. 1.96km ESE of Lake Pillsbury, CASat, Sep 18, 12:52 AM PDT · 1842 days ago · 5 km deep · 100 km away
26. 1.55km NW of The Geysers, CASat, Sep 18, 1:45 PM PDT · 1842 days ago · 3 km deep · 37 km away
27. 2.09km WNW of The Geysers, CASun, Sep 19, 6:11 PM PDT · 1841 days ago · 2 km deep · 40 km away
28. 1.50km WNW of The Geysers, CASun, Sep 19, 6:31 PM PDT · 1841 days ago · 1 km deep · 32 km away
29. 1.66km NW of Boonville, CASun, Sep 19, 9:23 PM PDT · 1841 days ago · 0 km deep · 93 km away
30. 1.83km SE of Larkfield-Wikiup, CATue, Sep 21, 5:19 PM PDT · 1839 days ago · 5 km deep · 12 km away · felt by 5
31. 1.610km NE of Healdsburg, CATue, Sep 21, 5:38 PM PDT · 1839 days ago · 4 km deep · 22 km away
32. 1.86km SE of Lake Pillsbury, CATue, Sep 21, 11:25 PM PDT · 1839 days ago · 2 km deep · 98 km away
33. 2.63km NW of The Geysers, CAWed, Sep 22, 11:56 AM PDT · 1838 days ago · 3 km deep · 35 km away · felt by 3
34. 1.73km SW of Anderson Springs, CAThu, Sep 23, 1:23 AM PDT · 1837 days ago · 2 km deep · 28 km away
35. 1.76km NW of The Geysers, CAThu, Sep 23, 11:21 AM PDT · 1837 days ago · 3 km deep · 38 km away
36. 1.76km NW of The Geysers, CAThu, Sep 23, 11:26 AM PDT · 1837 days ago · 3 km deep · 38 km away
37. 1.73km NNW of The Geysers, CAThu, Sep 23, 1:22 PM PDT · 1837 days ago · 1 km deep · 35 km away
38. 1.81km WNW of Walnut Creek, CAThu, Sep 23, 6:44 PM PDT · 1837 days ago · 11 km deep · 81 km away · felt by 2
39. 2.71km SSE of Vallejo, CAFri, Sep 24, 12:04 AM PDT · 1836 days ago · 11 km deep · 56 km away · felt by 481
40. 1.63km SW of Anderson Springs, CASat, Sep 25, 1:25 PM PDT · 1835 days ago · 2 km deep · 29 km away
41. 2.012km ESE of Boonville, CASat, Sep 25, 5:02 PM PDT · 1835 days ago · 0 km deep · 74 km away
42. 1.63km SE of The Geysers, CASun, Sep 26, 5:52 PM PDT · 1834 days ago · 2 km deep · 29 km away
43. 1.76km SW of Calistoga, CATue, Sep 28, 6:00 PM PDT · 1832 days ago · 8 km deep · 3 km away
44. 1.91km NW of The Geysers, CATue, Sep 28, 8:53 PM PDT · 1832 days ago · 2 km deep · 33 km away
45. 1.814km SE of Lake Pillsbury, CAWed, Sep 29, 12:56 AM PDT · 1831 days ago · 7 km deep · 91 km away
46. 1.816km NE of Upper Lake, CAThu, Sep 30, 3:39 AM PDT · 1830 days ago · -1 km deep · 86 km away
47. 3.23km ESE of Santa Rosa, CAThu, Sep 30, 5:45 AM PDT · 1830 days ago · 9 km deep · 11 km away · felt by 1,048
48. 2.71km NE of The Geysers, CAThu, Sep 30, 10:12 PM PDT · 1830 days ago · 0 km deep · 32 km away · felt by 3
49. 1.82km SSW of Cobb, CAThu, Sep 30, 10:12 PM PDT · 1830 days ago · 1 km deep · 34 km away
50. 1.51km E of The Geysers, CAThu, Sep 30, 10:13 PM PDT · 1830 days ago · 0 km deep · 32 km away
51. 1.93km SSW of Anderson Springs, CAFri, Oct 1, 6:46 AM PDT · 1829 days ago · 2 km deep · 27 km away
52. 1.51km NNW of The Geysers, CAFri, Oct 1, 12:04 PM PDT · 1829 days ago · 1 km deep · 33 km away
53. 1.611km NE of Napa, CAFri, Oct 1, 12:27 PM PDT · 1829 days ago · 9 km deep · 38 km away
54. 3.03km N of San Leandro, CAFri, Oct 1, 7:15 PM PDT · 1829 days ago · 7 km deep · 94 km away · felt by 860
55. 1.62km N of The Geysers, CAFri, Oct 1, 8:07 PM PDT · 1829 days ago · 2 km deep · 34 km away
56. 1.910km NW of The Geysers, CASat, Oct 2, 4:37 AM PDT · 1828 days ago · 2 km deep · 41 km away
57. 1.55km WNW of The Geysers, CASat, Oct 2, 5:55 AM PDT · 1828 days ago · 1 km deep · 37 km away
58. 1.59km NE of Santa Rosa, CASat, Oct 2, 6:08 AM PDT · 1828 days ago · 4 km deep · 3 km away
59. 1.74km W of Cobb, CASat, Oct 2, 7:09 AM PDT · 1828 days ago · 2 km deep · 37 km away
60. 3.43km N of San Leandro, CASat, Oct 2, 12:22 PM PDT · 1828 days ago · 6 km deep · 94 km away · felt by 1,793

The first 60 of 184.

Before

1. 1.62km NW of The Geysers, CASun, Sep 5, 2:34 PM PDT · 1855 days ago · 2 km deep · 33 km away
2. 2.21km NW of The Geysers, CASun, Sep 5, 2:06 PM PDT · 1855 days ago · 2 km deep · 33 km away
3. 1.71km N of Bolinas, CASun, Sep 5, 10:04 AM PDT · 1855 days ago · 9 km deep · 67 km away
4. 3.74km ENE of Talmage, CASat, Sep 4, 10:27 PM PDT · 1856 days ago · 10 km deep · 83 km away · felt by 199
5. 1.74km ENE of Talmage, CASat, Sep 4, 12:21 AM PDT · 1856 days ago · 6 km deep · 83 km away
6. 1.72km SW of Cobb, CAFri, Sep 3, 8:07 AM PDT · 1857 days ago · 2 km deep · 34 km away
7. 1.92km WNW of Cobb, CAFri, Sep 3, 2:25 AM PDT · 1857 days ago · 1 km deep · 37 km away
8. 3.84km ENE of Talmage, CAThu, Sep 2, 10:44 PM PDT · 1858 days ago · 9 km deep · 83 km away · felt by 316
9. 1.77km W of Cobb, CAWed, Sep 1, 5:13 PM PDT · 1859 days ago · 2 km deep · 40 km away
10. 1.73km SW of Angwin, CAWed, Sep 1, 1:01 PM PDT · 1859 days ago · 4 km deep · 11 km away
11. 1.69km WNW of Cobb, CAWed, Sep 1, 3:20 AM PDT · 1859 days ago · 2 km deep · 41 km away
12. 1.610km WNW of The Geysers, CATue, Aug 31, 8:03 PM PDT · 1860 days ago · 2 km deep · 41 km away
13. 1.512km WNW of The Geysers, CATue, Aug 31, 5:28 PM PDT · 1860 days ago · 2 km deep · 43 km away
14. 1.88km NNE of Black Point-Green Point, CATue, Aug 31, 2:32 PM PDT · 1860 days ago · 8 km deep · 40 km away
15. 3.04km ENE of Talmage, CATue, Aug 31, 1:20 PM PDT · 1860 days ago · 9 km deep · 83 km away · felt by 122
16. 1.810km NNE of Windsor, CATue, Aug 31, 12:22 AM PDT · 1860 days ago · 7 km deep · 18 km away
17. 1.73km ENE of The Geysers, CAMon, Aug 30, 2:45 PM PDT · 1861 days ago · 2 km deep · 32 km away
18. 2.514km W of Williams, CAMon, Aug 30, 2:38 PM PDT · 1861 days ago · 21 km deep · 76 km away
19. 2.16km NW of The Geysers, CAMon, Aug 30, 9:27 AM PDT · 1861 days ago · 3 km deep · 38 km away
20. 1.95km NW of The Geysers, CASun, Aug 29, 10:36 PM PDT · 1862 days ago · 2 km deep · 37 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73620906. Read Sun, Oct 4, 2026, 6:27 PM UTC.