M1.6 earthquake 12 km ENE of Angwin, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Oct 12, 1989, 11:06 PM PDT

UTC

1989-10-13 06:06:43 UTC

Depth

3.2 km (2.0 mi), shallow

Epicenter

38.622° N, 122.318° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 km horizontally, 6.6 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

102°

Stations used

11

• Angwin, CaliforniaPopulation 3,051. Forecast13 kmENE
• Napa, CaliforniaPopulation 80,434. Forecast36 kmN
• Santa Rosa, CaliforniaPopulation 178,127. Forecast40 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast625 kmNW

After

1. 1.66 km WNW of Cobb, CaliforniaFri, Oct 13, 2:43 AM PDT · 13506 days ago · 3 km deep · 48 km away
2. 1.86 km W of Cobb, CaliforniaFri, Oct 13, 3:50 PM PDT · 13506 days ago · 1 km deep · 47 km away
3. 1.95 km WSW of Cobb, CaliforniaFri, Oct 13, 10:22 PM PDT · 13505 days ago · 0 km deep · 45 km away
4. 1.67 km W of Cobb, CaliforniaSat, Oct 14, 1:37 AM PDT · 13505 days ago · 0 km deep · 48 km away
5. 1.65 km WSW of Cobb, CaliforniaSun, Oct 15, 2:02 AM PDT · 13504 days ago · 0 km deep · 45 km away
6. 2.08 km WSW of Cobb, CaliforniaMon, Oct 16, 9:25 AM PDT · 13503 days ago · 3 km deep · 48 km away
7. 1.84 km WSW of Cobb, CaliforniaMon, Oct 16, 6:28 PM PDT · 13503 days ago · 2 km deep · 44 km away
8. 1.9near the coast of Northern CaliforniaTue, Oct 17, 3:33 AM PDT · 13502 days ago · 5 km deep · 97 km away
9. 2.48 km WNW of Beale Air Force Base, CaliforniaTue, Oct 17, 8:56 AM PDT · 13502 days ago · 14 km deep · 94 km away
10. 2.3Northern CaliforniaTue, Oct 17, 8:57 AM PDT · 13502 days ago · 14 km deep · 95 km away
11. 1.97 km WSW of Cobb, CaliforniaTue, Oct 17, 4:09 PM PDT · 13502 days ago · 1 km deep · 47 km away
12. 2.17 km WSW of Kenwood, CaliforniaWed, Oct 18, 9:29 AM PDT · 13501 days ago · 5 km deep · 38 km away
13. 2.51 km E of Kenwood, CaliforniaWed, Oct 18, 11:07 AM PDT · 13501 days ago · 0 km deep · 30 km away
14. 2.67 km W of Cobb, CaliforniaThu, Oct 19, 5:16 AM PDT · 13500 days ago · -1 km deep · 49 km away
15. 2.08 km W of Cobb, CaliforniaThu, Oct 19, 5:19 AM PDT · 13500 days ago · 0 km deep · 50 km away
16. 2.77 km NE of Hidden Valley Lake, CaliforniaThu, Oct 19, 8:17 AM PDT · 13500 days ago · 6 km deep · 30 km away
17. 1.813 km ENE of Angwin, CaliforniaThu, Oct 19, 8:34 AM PDT · 13500 days ago · 4 km deep · 1 km away
18. 2.48 km W of Cobb, CaliforniaThu, Oct 19, 10:19 AM PDT · 13500 days ago · 1 km deep · 48 km away
19. 1.60 km WSW of Danville, CaliforniaThu, Oct 19, 2:56 PM PDT · 13500 days ago · 7 km deep · 93 km away
20. 1.67 km NE of Rohnert Park, CaliforniaThu, Oct 19, 6:14 PM PDT · 13500 days ago · 5 km deep · 38 km away
21. 1.615 km ENE of Angwin, CaliforniaThu, Oct 19, 7:13 PM PDT · 13499 days ago · 0 km deep · 4 km away
22. 1.95 km W of Cobb, CaliforniaFri, Oct 20, 4:39 AM PDT · 13499 days ago · 1 km deep · 46 km away
23. 1.921 km N of Upper Lake, CaliforniaFri, Oct 20, 10:30 AM PDT · 13499 days ago · 6 km deep · 94 km away
24. 1.90 km WSW of Danville, CaliforniaFri, Oct 20, 7:58 PM PDT · 13498 days ago · 7 km deep · 93 km away
25. 2.14 km SE of North Gate, CaliforniaFri, Oct 20, 11:35 PM PDT · 13498 days ago · 1 km deep · 88 km away
26. 2.13 km S of Clayton, CaliforniaSat, Oct 21, 12:02 AM PDT · 13498 days ago · 1 km deep · 86 km away
27. 1.67 km WSW of Cobb, CaliforniaSat, Oct 21, 6:11 AM PDT · 13498 days ago · 1 km deep · 46 km away
28. 1.67 km ENE of Lower Lake, CaliforniaSat, Oct 21, 6:56 PM PDT · 13497 days ago · 8 km deep · 39 km away
29. 1.96 km ENE of Lower Lake, CaliforniaSat, Oct 21, 9:54 PM PDT · 13497 days ago · 7 km deep · 38 km away
30. 1.512 km ENE of Cloverdale, CaliforniaSat, Oct 21, 10:52 PM PDT · 13497 days ago · 0 km deep · 54 km away
31. 1.81 km WSW of Diablo, CaliforniaSun, Oct 22, 3:15 AM PDT · 13497 days ago · 5 km deep · 93 km away
32. 1.610 km ESE of Hopland, CaliforniaSun, Oct 22, 8:04 AM PDT · 13497 days ago · 6 km deep · 69 km away
33. 2.014 km ENE of Angwin, CaliforniaSun, Oct 22, 10:08 AM PDT · 13497 days ago · 3 km deep · 3 km away
34. 1.610 km ESE of Hidden Valley Lake, CaliforniaSun, Oct 22, 12:21 PM PDT · 13497 days ago · 6 km deep · 20 km away
35. 3.121 km NNE of Upper Lake, CaliforniaSun, Oct 22, 7:22 PM PDT · 13496 days ago · 12 km deep · 94 km away
36. 1.63 km NNW of Windsor, CaliforniaMon, Oct 23, 8:52 AM PDT · 13496 days ago · 6 km deep · 45 km away
37. 1.81 km WSW of Diablo, CaliforniaTue, Oct 24, 7:34 AM PDT · 13495 days ago · 6 km deep · 93 km away
38. 1.89 km W of Cobb, CaliforniaTue, Oct 24, 4:49 PM PDT · 13495 days ago · 0 km deep · 50 km away
39. 2.03 km SSW of Cobb, CaliforniaWed, Oct 25, 1:21 AM PDT · 13494 days ago · 1 km deep · 42 km away
40. 1.913 km ENE of Angwin, CaliforniaWed, Oct 25, 7:02 AM PDT · 13494 days ago · 1 km deep · 2 km away
41. 1.96 km W of Cobb, CaliforniaWed, Oct 25, 7:03 AM PDT · 13494 days ago · 0 km deep · 47 km away
42. 1.65 km W of Cobb, CaliforniaWed, Oct 25, 7:33 AM PDT · 13494 days ago · 1 km deep · 46 km away
43. 1.67 km ESE of Talmage, CaliforniaThu, Oct 26, 4:06 AM PDT · 13493 days ago · 8 km deep · 86 km away
44. 2.55 km SW of Cobb, CaliforniaFri, Oct 27, 5:01 AM PDT · 13492 days ago · 1 km deep · 44 km away
45. 2.63 km SSW of Cobb, CaliforniaFri, Oct 27, 8:50 PM PDT · 13491 days ago · 0 km deep · 42 km away
46. 2.24 km WSW of Cobb, CaliforniaSun, Oct 29, 9:01 PM PST · 13489 days ago · 2 km deep · 44 km away
47. 1.94 km SE of Calpella, CaliforniaTue, Oct 31, 11:12 PM PST · 13487 days ago · 4 km deep · 98 km away
48. 2.07 km W of Cobb, CaliforniaFri, Nov 3, 11:31 AM PST · 13485 days ago · 3 km deep · 48 km away
49. 1.67 km WSW of Cobb, CaliforniaFri, Nov 3, 8:22 PM PST · 13484 days ago · 4 km deep · 47 km away
50. 1.65 km N of San Leandro, CaliforniaFri, Nov 3, 11:02 PM PST · 13484 days ago · 9 km deep · 95 km away
51. 3.65 km N of San Leandro, CaliforniaFri, Nov 3, 11:16 PM PST · 13484 days ago · 10 km deep · 95 km away
52. 1.97 km S of Cobb, CaliforniaSat, Nov 4, 8:12 AM PST · 13484 days ago · 3 km deep · 37 km away
53. 1.82 km E of Saranap, CaliforniaSat, Nov 4, 10:18 AM PST · 13484 days ago · 2 km deep · 85 km away
54. 1.67 km W of Cobb, CaliforniaTue, Nov 7, 12:49 AM PST · 13481 days ago · 4 km deep · 48 km away
55. 1.86 km SW of Cobb, CaliforniaTue, Nov 7, 3:25 AM PST · 13481 days ago · 0 km deep · 43 km away
56. 1.510 km SE of Hidden Valley Lake, CaliforniaTue, Nov 7, 8:32 AM PST · 13481 days ago · 5 km deep · 20 km away
57. 1.79 km WNW of Cobb, CaliforniaTue, Nov 7, 12:36 PM PST · 13481 days ago · 2 km deep · 50 km away
58. 2.115 km NNE of Angwin, CaliforniaThu, Nov 9, 5:13 AM PST · 13479 days ago · 9 km deep · 11 km away
59. 2.17 km W of Cobb, CaliforniaThu, Nov 9, 11:10 AM PST · 13479 days ago · 1 km deep · 49 km away
60. 1.64 km ENE of Penngrove, CaliforniaFri, Nov 10, 5:48 PM PST · 13478 days ago · 0 km deep · 44 km away

The first 60 of 133.

Before

1. 1.58 km E of Hidden Valley Lake, CaliforniaThu, Oct 12, 6:22 PM PDT · 13507 days ago · 8 km deep · 24 km away
2. 2.36 km W of Cobb, CaliforniaThu, Oct 12, 8:45 AM PDT · 13507 days ago · 4 km deep · 47 km away
3. 2.55 km W of Cobb, CaliforniaWed, Oct 11, 2:47 AM PDT · 13508 days ago · -1 km deep · 46 km away
4. 2.04 km WSW of Cobb, CaliforniaWed, Oct 11, 1:09 AM PDT · 13508 days ago · 2 km deep · 44 km away
5. 2.06 km W of Cobb, CaliforniaTue, Oct 10, 10:54 PM PDT · 13508 days ago · 2 km deep · 48 km away
6. 2.87 km W of Cobb, CaliforniaTue, Oct 10, 10:53 PM PDT · 13508 days ago · -1 km deep · 48 km away
7. 3.26 km W of Cobb, CaliforniaTue, Oct 10, 10:53 PM PDT · 13508 days ago · 1 km deep · 48 km away
8. 1.9Northern CaliforniaSun, Oct 8, 9:49 AM PDT · 13511 days ago · 2 km deep · 36 km away
9. 1.66 km WSW of Cobb, CaliforniaSun, Oct 8, 9:38 AM PDT · 13511 days ago · 1 km deep · 45 km away
10. 1.67 km WNW of Cobb, CaliforniaSat, Oct 7, 1:21 PM PDT · 13512 days ago · 0 km deep · 49 km away
11. 1.86 km W of Cobb, CaliforniaThu, Oct 5, 11:47 PM PDT · 13513 days ago · 4 km deep · 47 km away
12. 1.74 km SE of Piedmont, CaliforniaWed, Oct 4, 11:19 PM PDT · 13514 days ago · 10 km deep · 92 km away
13. 2.04 km W of Cobb, CaliforniaWed, Oct 4, 4:27 PM PDT · 13515 days ago · 2 km deep · 46 km away
14. 2.29 km W of Cobb, CaliforniaTue, Oct 3, 9:43 AM PDT · 13516 days ago · 2 km deep · 50 km away
15. 1.87 km WNW of Cobb, CaliforniaTue, Oct 3, 4:19 AM PDT · 13516 days ago · 0 km deep · 48 km away
16. 1.57 km W of Cobb, CaliforniaTue, Oct 3, 4:18 AM PDT · 13516 days ago · 0 km deep · 49 km away
17. 1.913 km E of Clearlake, CaliforniaTue, Oct 3, 3:27 AM PDT · 13516 days ago · 1 km deep · 41 km away
18. 1.57 km WSW of Cobb, CaliforniaMon, Oct 2, 2:29 PM PDT · 13517 days ago · 4 km deep · 47 km away
19. 2.58 km W of Cobb, CaliforniaMon, Oct 2, 11:23 AM PDT · 13517 days ago · 0 km deep · 50 km away
20. 2.713 km N of Pittsburg, CaliforniaMon, Oct 2, 4:20 AM PDT · 13517 days ago · 21 km deep · 63 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc145377. Read Mon, Oct 5, 2026, 1:18 PM UTC.