M1.6 earthquake 6km NNE of Windsor, CA

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Apr 7, 2021, 1:57 PM PDT

UTC

2021-04-07 20:57:50 UTC

Depth

5.0 km (3.1 mi), shallow

Epicenter

38.595° N, 122.789° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.11

Depth from

From location

Station coverage gap

96°

Stations used

37

• Windsor, CaliforniaPopulation 27,464. Forecast6 kmNNE
• Santa Rosa, CaliforniaPopulation 178,127. Forecast18 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast649 kmNW

After

1. 1.56km NW of The Geysers, CAWed, Apr 7, 8:45 PM PDT · 2006 days ago · 2 km deep · 25 km away
2. 1.74km S of Redwood Valley, CAThu, Apr 8, 12:36 PM PDT · 2005 days ago · 5 km deep · 79 km away
3. 2.35km NW of The Geysers, CAThu, Apr 8, 1:33 PM PDT · 2005 days ago · 3 km deep · 24 km away · felt by 2
4. 1.62km SW of Cobb, CAThu, Apr 8, 7:38 PM PDT · 2005 days ago · 2 km deep · 24 km away
5. 1.95km WNW of The Geysers, CAFri, Apr 9, 10:16 PM PDT · 2004 days ago · 3 km deep · 22 km away
6. 1.96km NW of The Geysers, CASat, Apr 10, 4:01 AM PDT · 2004 days ago · 3 km deep · 24 km away
7. 3.36km S of Calistoga, CASat, Apr 10, 7:13 AM PDT · 2004 days ago · 9 km deep · 20 km away · felt by 262
8. 2.07km W of Cobb, CASun, Apr 11, 12:49 AM PDT · 2003 days ago · 2 km deep · 27 km away · felt by 1
9. 2.67km NW of The Geysers, CASun, Apr 11, 3:03 PM PDT · 2002 days ago · 2 km deep · 26 km away
10. 1.97km NW of The Geysers, CASun, Apr 11, 3:16 PM PDT · 2002 days ago · 2 km deep · 26 km away
11. 2.47km NW of The Geysers, CASun, Apr 11, 3:57 PM PDT · 2002 days ago · 2 km deep · 26 km away · felt by 5
12. 1.88km NW of The Geysers, CASun, Apr 11, 9:30 PM PDT · 2002 days ago · 2 km deep · 26 km away
13. 1.97km NW of The Geysers, CASun, Apr 11, 10:29 PM PDT · 2002 days ago · 2 km deep · 25 km away
14. 1.96km WNW of The Geysers, CAMon, Apr 12, 1:08 AM PDT · 2002 days ago · 2 km deep · 23 km away · felt by 1
15. 1.58km NNW of Redwood Valley, CAMon, Apr 12, 1:36 AM PDT · 2002 days ago · 7 km deep · 91 km away
16. 1.714km W of Lakeport, CAMon, Apr 12, 7:34 AM PDT · 2002 days ago · 2 km deep · 54 km away
17. 2.411km WNW of The Geysers, CATue, Apr 13, 7:23 AM PDT · 2001 days ago · 3 km deep · 27 km away
18. 1.97km NW of The Geysers, CATue, Apr 13, 9:15 AM PDT · 2001 days ago · 3 km deep · 25 km away
19. 1.86km WNW of The Geysers, CAWed, Apr 14, 8:11 PM PDT · 1999 days ago · 3 km deep · 23 km away
20. 2.06km NNW of The Geysers, CAWed, Apr 14, 9:34 PM PDT · 1999 days ago · 3 km deep · 25 km away
21. 2.58km NW of The Geysers, CAThu, Apr 15, 6:39 AM PDT · 1999 days ago · 2 km deep · 26 km away · felt by 3
22. 1.93km SW of Cobb, CAThu, Apr 15, 2:50 PM PDT · 1998 days ago · 1 km deep · 24 km away
23. 1.69km ENE of Clearlake, CAThu, Apr 15, 5:02 PM PDT · 1998 days ago · -1 km deep · 48 km away
24. 1.76km NNW of The Geysers, CAThu, Apr 15, 8:15 PM PDT · 1998 days ago · 3 km deep · 25 km away
25. 1.63km NW of The Geysers, CAThu, Apr 15, 8:24 PM PDT · 1998 days ago · 1 km deep · 23 km away
26. 1.62km N of The Geysers, CAThu, Apr 15, 8:39 PM PDT · 1998 days ago · 1 km deep · 22 km away
27. 1.62km NW of The Geysers, CAThu, Apr 15, 11:31 PM PDT · 1998 days ago · 2 km deep · 21 km away
28. 2.72km W of Anderson Springs, CAFri, Apr 16, 2:35 AM PDT · 1998 days ago · 2 km deep · 21 km away · felt by 7
29. 2.03km W of Anderson Springs, CAFri, Apr 16, 2:36 AM PDT · 1998 days ago · 2 km deep · 21 km away
30. 2.020km SW of Arbuckle, CAFri, Apr 16, 5:16 PM PDT · 1997 days ago · 12 km deep · 58 km away
31. 1.610km WNW of The Geysers, CAFri, Apr 16, 6:02 PM PDT · 1997 days ago · 3 km deep · 26 km away
32. 1.610km WNW of The Geysers, CAFri, Apr 16, 6:04 PM PDT · 1997 days ago · 3 km deep · 26 km away
33. 1.98km NW of The Geysers, CAFri, Apr 16, 9:02 PM PDT · 1997 days ago · 2 km deep · 27 km away
34. 2.37km W of Cobb, CAFri, Apr 16, 9:54 PM PDT · 1997 days ago · 2 km deep · 26 km away
35. 1.77km W of Cobb, CASat, Apr 17, 1:42 PM PDT · 1996 days ago · 2 km deep · 27 km away
36. 1.66km SSW of Calistoga, CASat, Apr 17, 5:44 PM PDT · 1996 days ago · 9 km deep · 18 km away
37. 1.64km W of Cobb, CASun, Apr 18, 1:40 AM PDT · 1996 days ago · 2 km deep · 25 km away
38. 1.97km NW of The Geysers, CASun, Apr 18, 1:41 AM PDT · 1996 days ago · 2 km deep · 25 km away · felt by 1
39. 1.56km E of Redwood Valley, CASun, Apr 18, 3:25 AM PDT · 1996 days ago · 6 km deep · 80 km away
40. 1.63km NNW of Angwin, CASun, Apr 18, 9:47 AM PDT · 1996 days ago · 0 km deep · 28 km away
41. 1.78km ESE of Willits, CASun, Apr 18, 12:25 PM PDT · 1995 days ago · -1 km deep · 96 km away
42. 2.87km NW of The Geysers, CASun, Apr 18, 7:21 PM PDT · 1995 days ago · 2 km deep · 26 km away · felt by 5
43. 1.79km WNW of Cobb, CASun, Apr 18, 10:43 PM PDT · 1995 days ago · 2 km deep · 27 km away
44. 2.04km WNW of Cobb, CAMon, Apr 19, 2:33 AM PDT · 1995 days ago · 2 km deep · 26 km away · felt by 1
45. 4.03km SW of Anderson Springs, CAMon, Apr 19, 11:50 AM PDT · 1995 days ago · 3 km deep · 19 km away · felt by 780
46. 2.33km WSW of Anderson Springs, CAMon, Apr 19, 11:51 AM PDT · 1995 days ago · 1 km deep · 20 km away
47. 1.73km SE of The Geysers, CAMon, Apr 19, 11:52 AM PDT · 1995 days ago · 1 km deep · 19 km away
48. 1.63km S of Anderson Springs, CAMon, Apr 19, 11:54 AM PDT · 1995 days ago · 1 km deep · 19 km away
49. 1.621km ENE of Hidden Valley Lake, CAMon, Apr 19, 2:38 PM PDT · 1994 days ago · 19 km deep · 51 km away
50. 1.816km SE of Lake Pillsbury, CAMon, Apr 19, 8:18 PM PDT · 1994 days ago · 5 km deep · 81 km away
51. 1.66km SSW of Calistoga, CATue, Apr 20, 7:42 AM PDT · 1994 days ago · 6 km deep · 17 km away
52. 1.87km W of Cobb, CATue, Apr 20, 11:41 AM PDT · 1994 days ago · 2 km deep · 27 km away
53. 1.69km W of North Lakeport, CATue, Apr 20, 12:59 PM PDT · 1993 days ago · 0 km deep · 58 km away
54. 2.37km W of Cobb, CATue, Apr 20, 2:40 PM PDT · 1993 days ago · 2 km deep · 26 km away
55. 1.87km NW of The Geysers, CATue, Apr 20, 4:29 PM PDT · 1993 days ago · 2 km deep · 25 km away
56. 1.83km SSE of The Geysers, CATue, Apr 20, 7:10 PM PDT · 1993 days ago · 1 km deep · 18 km away
57. 1.69km WSW of Cloverdale, CAWed, Apr 21, 4:30 AM PDT · 1993 days ago · 7 km deep · 34 km away
58. 1.83km S of Concord, CAWed, Apr 21, 8:38 PM PDT · 1992 days ago · 10 km deep · 99 km away
59. 1.910km SSE of Elmira, CAWed, Apr 21, 11:39 PM PDT · 1992 days ago · 23 km deep · 88 km away
60. 2.16km NW of The Geysers, CAThu, Apr 22, 12:04 AM PDT · 1992 days ago · 1 km deep · 24 km away

The first 60 of 197.

Before

1. 1.81km SW of East Richmond Heights, CAWed, Apr 7, 11:32 AM PDT · 2007 days ago · 4 km deep · 84 km away
2. 2.56km S of Calistoga, CAWed, Apr 7, 8:17 AM PDT · 2007 days ago · 9 km deep · 20 km away · felt by 10
3. 2.40km W of Pleasant Hill, CAWed, Apr 7, 6:45 AM PDT · 2007 days ago · 11 km deep · 96 km away · felt by 54
4. 2.94km WNW of The Geysers, CAWed, Apr 7, 5:56 AM PDT · 2007 days ago · 4 km deep · 22 km away · felt by 15
5. 2.44km WNW of The Geysers, CAWed, Apr 7, 5:13 AM PDT · 2007 days ago · 3 km deep · 22 km away · felt by 2
6. 1.57km NW of The Geysers, CATue, Apr 6, 8:21 PM PDT · 2007 days ago · 2 km deep · 25 km away
7. 1.87km NW of The Geysers, CATue, Apr 6, 3:21 PM PDT · 2007 days ago · 2 km deep · 26 km away
8. 1.82km N of Lake Pillsbury, CATue, Apr 6, 2:49 PM PDT · 2007 days ago · 7 km deep · 93 km away
9. 1.99km WNW of The Geysers, CATue, Apr 6, 9:58 AM PDT · 2008 days ago · 2 km deep · 26 km away
10. 1.65km WNW of The Geysers, CATue, Apr 6, 6:54 AM PDT · 2008 days ago · 3 km deep · 23 km away
11. 2.52km SSW of Cobb, CAMon, Apr 5, 9:42 AM PDT · 2009 days ago · 2 km deep · 24 km away · felt by 5
12. 1.512km WNW of Upper Lake, CASat, Apr 3, 2:52 AM PDT · 2011 days ago · 9 km deep · 71 km away
13. 2.33km NE of The Geysers, CAThu, Apr 1, 2:41 PM PDT · 2012 days ago · 2 km deep · 23 km away · felt by 1
14. 1.713km W of Lakeport, CAThu, Apr 1, 3:29 AM PDT · 2013 days ago · 0 km deep · 54 km away
15. 1.510km ESE of Willits, CAThu, Apr 1, 2:53 AM PDT · 2013 days ago · 7 km deep · 94 km away
16. 1.610km WNW of Calistoga, CAThu, Apr 1, 2:33 AM PDT · 2013 days ago · 8 km deep · 9 km away · felt by 1
17. 1.78km NW of The Geysers, CAWed, Mar 31, 11:19 PM PDT · 2013 days ago · 2 km deep · 26 km away
18. 1.98km WNW of Cobb, CAWed, Mar 31, 9:46 PM PDT · 2013 days ago · 1 km deep · 28 km away · felt by 1
19. 1.68km NW of The Geysers, CAWed, Mar 31, 4:32 PM PDT · 2013 days ago · 2 km deep · 26 km away
20. 1.78km NW of The Geysers, CAWed, Mar 31, 3:37 PM PDT · 2013 days ago · 2 km deep · 26 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73546500. Read Mon, Oct 5, 2026, 6:44 AM UTC.