M1.8 earthquake 3 km E of Berkeley, California

Magnitude

1.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Jan 21, 1991, 12:15 PM PST

UTC

1991-01-21 20:15:26 UTC

Depth

9.8 km (6.1 mi), shallow

Epicenter

37.869° N, 122.237° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

46°

Stations used

28

• Berkeley, CaliforniaPopulation 120,972. Forecast3 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast556 kmNW

After

1. 2.36 km W of Glen Ellen, CaliforniaThu, Jan 24, 12:37 AM PST · 13037 days ago · 2 km deep · 64 km away
2. 2.46 km W of Glen Ellen, CaliforniaThu, Jan 24, 2:17 PM PST · 13036 days ago · 3 km deep · 64 km away
3. 2.120 km ESE of East Foothills, CaliforniaSat, Jan 26, 1:29 AM PST · 13035 days ago · 5 km deep · 83 km away
4. 1.58 km W of Calistoga, CaliforniaSun, Jan 27, 11:25 PM PST · 13033 days ago · 6 km deep · 88 km away
5. 2.113 km SE of Sunol, CaliforniaTue, Jan 29, 11:46 AM PST · 13032 days ago · 4 km deep · 57 km away
6. 1.67 km E of East Foothills, CaliforniaTue, Jan 29, 8:53 PM PST · 13031 days ago · 8 km deep · 71 km away
7. 1.98 km N of Day Valley, CaliforniaSat, Feb 2, 6:18 AM PST · 13028 days ago · 4 km deep · 91 km away
8. 2.02 km NNE of Pacifica, CaliforniaSat, Feb 2, 4:01 PM PST · 13027 days ago · 6 km deep · 34 km away
9. 3.12 km E of Lathrop, CaliforniaSun, Feb 3, 5:03 AM PST · 13027 days ago · 9 km deep · 87 km away
10. 3.12 km NW of Manteca, CaliforniaMon, Feb 4, 12:57 AM PST · 13026 days ago · 8 km deep · 88 km away
11. 2.02 km W of Orinda, CaliforniaThu, Feb 7, 2:07 AM PST · 13023 days ago · 7 km deep · 3 km away
12. 1.66 km NE of Day Valley, CaliforniaThu, Feb 7, 5:43 PM PST · 13022 days ago · 8 km deep · 96 km away
13. 2.2Northern CaliforniaFri, Feb 8, 9:56 PM PST · 13021 days ago · 8 km deep · 24 km away
14. 1.61 km SW of San Ramon, CaliforniaFri, Feb 8, 11:10 PM PST · 13021 days ago · 8 km deep · 24 km away
15. 2.08 km NNE of East Foothills, CaliforniaSat, Feb 9, 9:55 PM PST · 13020 days ago · 6 km deep · 61 km away
16. 1.97 km ENE of Morgan Hill, CaliforniaSun, Feb 10, 1:46 AM PST · 13020 days ago · 3 km deep · 99 km away
17. 1.98 km ENE of Morgan Hill, CaliforniaMon, Feb 11, 7:48 PM PST · 13018 days ago · 3 km deep · 98 km away
18. 2.71 km SW of San Ramon, CaliforniaTue, Feb 12, 1:39 AM PST · 13018 days ago · 8 km deep · 24 km away
19. 1.93 km SE of Clayton, CaliforniaThu, Feb 14, 12:05 PM PST · 13016 days ago · 5 km deep · 29 km away
20. 1.66 km ENE of Santa Rosa, CaliforniaSat, Feb 16, 11:03 AM PST · 13014 days ago · 9 km deep · 75 km away
21. 1.82 km ENE of North Gate, CaliforniaSun, Feb 17, 4:20 PM PST · 13012 days ago · 8 km deep · 24 km away
22. 1.54 km E of Day Valley, CaliforniaTue, Feb 19, 4:35 PM PST · 13010 days ago · 10 km deep · 99 km away
23. 1.96 km NW of Day Valley, CaliforniaWed, Feb 20, 5:06 PM PST · 13009 days ago · 12 km deep · 93 km away
24. 1.611 km SSW of Pescadero, CaliforniaWed, Feb 20, 6:24 PM PST · 13009 days ago · 11 km deep · 81 km away
25. 1.72 km NNE of Livermore, CaliforniaThu, Feb 21, 12:47 AM PST · 13009 days ago · 17 km deep · 46 km away
26. 2.515 km NW of Davenport, CaliforniaThu, Feb 21, 4:48 AM PST · 13009 days ago · 11 km deep · 87 km away
27. 1.82 km SW of Blackhawk, CaliforniaThu, Feb 21, 1:16 PM PST · 13009 days ago · 15 km deep · 28 km away
28. 1.813 km NE of East Foothills, CaliforniaFri, Feb 22, 1:33 AM PST · 13008 days ago · 5 km deep · 62 km away
29. 2.414 km E of Seven Trees, CaliforniaFri, Feb 22, 7:51 AM PST · 13008 days ago · 3 km deep · 82 km away
30. 1.518 km NE of East Foothills, CaliforniaSun, Feb 24, 12:16 PM PST · 13006 days ago · 7 km deep · 63 km away
31. 1.73 km NE of Soquel, CaliforniaMon, Feb 25, 5:58 AM PST · 13005 days ago · 3 km deep · 100 km away
32. 2.114 km E of Seven Trees, CaliforniaMon, Feb 25, 7:35 AM PST · 13005 days ago · 2 km deep · 81 km away
33. 1.53 km N of Danville, CaliforniaMon, Feb 25, 7:26 PM PST · 13004 days ago · 9 km deep · 21 km away
34. 1.71 km SW of San Ramon, CaliforniaMon, Feb 25, 7:48 PM PST · 13004 days ago · 8 km deep · 24 km away
35. 1.54 km NNE of Kenwood, CaliforniaMon, Feb 25, 11:28 PM PST · 13004 days ago · 7 km deep · 69 km away
36. 2.012 km NE of East Foothills, CaliforniaFri, Mar 1, 8:22 AM PST · 13001 days ago · 9 km deep · 62 km away
37. 1.82 km NNE of Lexington Hills, CaliforniaFri, Mar 1, 5:43 PM PST · 13000 days ago · 4 km deep · 80 km away
38. 2.22 km SSW of Lexington Hills, CaliforniaMon, Mar 4, 8:19 AM PST · 12998 days ago · 15 km deep · 84 km away
39. 1.714 km E of Seven Trees, CaliforniaTue, Mar 5, 12:26 AM PST · 12997 days ago · 6 km deep · 79 km away
40. 2.06 km ENE of Windsor, CaliforniaTue, Mar 5, 3:35 AM PST · 12997 days ago · 2 km deep · 90 km away
41. 1.66 km SW of Calistoga, CaliforniaTue, Mar 5, 3:59 AM PST · 12997 days ago · 6 km deep · 83 km away
42. 1.63 km NE of Fairview, CaliforniaTue, Mar 5, 5:03 AM PST · 12997 days ago · 5 km deep · 27 km away
43. 1.64 km NE of Fairview, CaliforniaTue, Mar 5, 7:39 AM PST · 12997 days ago · 6 km deep · 27 km away
44. 1.711 km WNW of Davenport, CaliforniaTue, Mar 5, 8:42 AM PST · 12997 days ago · 7 km deep · 91 km away
45. 1.67 km NE of Rohnert Park, CaliforniaTue, Mar 5, 10:06 PM PST · 12996 days ago · 6 km deep · 66 km away
46. 1.52 km W of Lexington Hills, CaliforniaWed, Mar 6, 8:36 AM PST · 12996 days ago · 12 km deep · 81 km away
47. 1.73 km NE of Fairview, CaliforniaWed, Mar 6, 1:12 PM PST · 12996 days ago · 6 km deep · 27 km away
48. 1.75 km E of Rohnert Park, CaliforniaWed, Mar 6, 2:47 PM PST · 12995 days ago · 4 km deep · 64 km away
49. 1.813 km NNE of Angwin, CaliforniaWed, Mar 6, 6:28 PM PST · 12995 days ago · 0 km deep · 92 km away
50. 1.73 km SW of Moskowite Corner, CaliforniaSat, Mar 9, 3:44 PM PST · 12992 days ago · 7 km deep · 61 km away
51. 2.21 km NNE of Livermore, CaliforniaSun, Mar 10, 9:05 AM PST · 12992 days ago · 16 km deep · 46 km away
52. 4.03 km NNE of Livermore, CaliforniaSun, Mar 10, 9:46 AM PST · 12992 days ago · 19 km deep · 46 km away
53. 2.62 km NNE of Livermore, CaliforniaSun, Mar 10, 9:48 AM PST · 12992 days ago · 16 km deep · 46 km away
54. 2.22 km NNE of Livermore, CaliforniaSun, Mar 10, 10:37 AM PST · 12992 days ago · 17 km deep · 46 km away
55. 1.93 km NNE of Livermore, CaliforniaSun, Mar 10, 10:43 AM PST · 12992 days ago · 17 km deep · 46 km away
56. 2.12 km NNE of Livermore, CaliforniaSun, Mar 10, 11:02 AM PST · 12992 days ago · 16 km deep · 46 km away
57. 1.63 km NNE of Livermore, CaliforniaSun, Mar 10, 3:22 PM PST · 12991 days ago · 17 km deep · 46 km away
58. 1.61 km SW of North Gate, CaliforniaMon, Mar 11, 1:51 AM PST · 12991 days ago · 3 km deep · 20 km away
59. 1.76 km WSW of Calistoga, CaliforniaMon, Mar 11, 3:22 PM PST · 12990 days ago · -1 km deep · 85 km away
60. 1.76 km NW of Moskowite Corner, CaliforniaMon, Mar 11, 10:03 PM PST · 12990 days ago · 1 km deep · 68 km away

The first 60 of 77.

Before

1. 2.29 km ESE of East Foothills, CaliforniaMon, Jan 21, 4:28 AM PST · 13040 days ago · 7 km deep · 74 km away
2. 2.413 km WNW of Rio Vista, CaliforniaSun, Jan 20, 5:03 PM PST · 13040 days ago · 17 km deep · 54 km away
3. 1.61 km W of Cambrian Park, CaliforniaSat, Jan 19, 12:28 PM PST · 13042 days ago · 3 km deep · 73 km away
4. 1.83 km SE of Pittsburg, CaliforniaSat, Jan 19, 11:01 AM PST · 13042 days ago · 17 km deep · 36 km away
5. 2.82 km NNE of San Leandro, CaliforniaFri, Jan 18, 7:25 PM PST · 13042 days ago · 4 km deep · 16 km away
6. 1.812 km NNE of Angwin, CaliforniaFri, Jan 18, 11:51 AM PST · 13043 days ago · 6 km deep · 91 km away
7. 2.48 km ENE of Milpitas, CaliforniaThu, Jan 17, 1:25 AM PST · 13044 days ago · 6 km deep · 59 km away
8. 1.96 km SW of Calistoga, CaliforniaWed, Jan 16, 5:27 PM PST · 13044 days ago · 6 km deep · 81 km away
9. 1.711 km W of Davenport, CaliforniaWed, Jan 16, 4:39 AM PST · 13045 days ago · 6 km deep · 96 km away
10. 2.112 km W of Davenport, CaliforniaWed, Jan 16, 1:01 AM PST · 13045 days ago · 8 km deep · 96 km away
11. 1.57 km ENE of Larkfield-Wikiup, CaliforniaMon, Jan 14, 2:38 PM PST · 13046 days ago · 23 km deep · 83 km away
12. 1.513 km ESE of Hidden Valley Lake, CaliforniaMon, Jan 14, 9:56 AM PST · 13047 days ago · 5 km deep · 98 km away
13. 1.513 km N of Morgan Hill, CaliforniaSat, Jan 12, 8:41 PM PST · 13048 days ago · 3 km deep · 87 km away
14. 1.73 km SSW of Saratoga, CaliforniaFri, Jan 11, 6:56 AM PST · 13050 days ago · 8 km deep · 72 km away
15. 1.913 km N of Morgan Hill, CaliforniaFri, Jan 11, 4:42 AM PST · 13050 days ago · 3 km deep · 87 km away
16. 1.78 km WSW of Davenport, CaliforniaWed, Jan 9, 3:55 AM PST · 13052 days ago · 9 km deep · 100 km away
17. 2.16 km E of East Foothills, CaliforniaTue, Jan 8, 3:33 AM PST · 13053 days ago · 6 km deep · 69 km away
18. 1.91 km W of American Canyon, CaliforniaMon, Jan 7, 3:20 AM PST · 13054 days ago · 3 km deep · 34 km away
19. 1.53 km ENE of Santa Rosa, CaliforniaFri, Jan 4, 9:03 PM PST · 13056 days ago · 9 km deep · 76 km away
20. 1.67 km NNW of Day Valley, CaliforniaFri, Jan 4, 7:32 AM PST · 13057 days ago · 12 km deep · 91 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc205106. Read Sun, Oct 4, 2026, 9:21 AM UTC.