M2.8 earthquake 7 km S of Sunol, California

Magnitude

2.8 (md), micro

Local time

Sun, Oct 25, 1981, 3:55 PM PST

UTC

1981-10-25 23:55:17 UTC

Depth

9.2 km (5.7 mi), shallow

Epicenter

37.524° N, 121.892° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

17°

Stations used

75

• Sunol, CaliforniaPopulation 913. Forecast8 kmS
• Fremont, CaliforniaPopulation 232,206. Forecast9 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast507 kmNW

After

1. 2.013 km NNE of Hollister, CaliforniaMon, Oct 26, 2:25 PM PST · 16401 days ago · 5 km deep · 77 km away
2. 2.211 km ENE of Blackhawk, CaliforniaMon, Oct 26, 7:34 PM PST · 16401 days ago · 16 km deep · 37 km away
3. 2.38 km ESE of East Foothills, CaliforniaMon, Oct 26, 10:11 PM PST · 16401 days ago · 8 km deep · 24 km away
4. 1.85 km WNW of Broadmoor, CaliforniaTue, Oct 27, 4:31 PM PST · 16400 days ago · 7 km deep · 60 km away
5. 2.44 km W of San Juan Bautista, CaliforniaWed, Oct 28, 10:25 AM PST · 16400 days ago · 4 km deep · 80 km away
6. 2.02 km E of Ladera, CaliforniaWed, Oct 28, 6:30 PM PST · 16399 days ago · 4 km deep · 28 km away
7. 1.62 km SE of Ladera, CaliforniaWed, Oct 28, 10:33 PM PST · 16399 days ago · 2 km deep · 29 km away
8. 2.32 km SSW of San Juan Bautista, CaliforniaFri, Oct 30, 1:12 PM PST · 16397 days ago · 5 km deep · 84 km away
9. 2.020 km ESE of East Foothills, CaliforniaSat, Oct 31, 10:05 AM PST · 16397 days ago · 6 km deep · 34 km away
10. 1.75 km SW of Gilroy, CaliforniaSat, Oct 31, 5:03 PM PST · 16396 days ago · 5 km deep · 66 km away
11. 1.93 km S of Fairview, CaliforniaSun, Nov 1, 6:38 AM PST · 16396 days ago · 4 km deep · 19 km away
12. 3.11 km ENE of Pittsburg, CaliforniaMon, Nov 2, 7:03 AM PST · 16395 days ago · 15 km deep · 56 km away
13. 2.33 km S of Fairview, CaliforniaMon, Nov 2, 7:43 AM PST · 16395 days ago · 4 km deep · 19 km away
14. 1.73 km S of Green Valley, CaliforniaMon, Nov 2, 4:43 PM PST · 16394 days ago · 9 km deep · 81 km away
15. 1.84 km WNW of San Juan Bautista, CaliforniaTue, Nov 3, 12:43 AM PST · 16394 days ago · 5 km deep · 79 km away
16. 1.95 km SW of Ridgemark, CaliforniaTue, Nov 3, 3:49 PM PST · 16393 days ago · 6 km deep · 94 km away
17. 2.28 km ENE of Milpitas, CaliforniaWed, Nov 4, 6:56 AM PST · 16393 days ago · 7 km deep · 9 km away
18. 2.01 km S of Tres Pinos, CaliforniaWed, Nov 4, 12:43 PM PST · 16393 days ago · 4 km deep · 97 km away
19. 2.27 km E of East Foothills, CaliforniaFri, Nov 6, 10:25 AM PST · 16391 days ago · 7 km deep · 21 km away
20. 1.815 km S of Pescadero, CaliforniaFri, Nov 6, 2:49 PM PST · 16390 days ago · 5 km deep · 63 km away
21. 2.42 km SSW of San Juan Bautista, CaliforniaSat, Nov 7, 4:20 PM PST · 16389 days ago · 6 km deep · 83 km away
22. 1.813 km N of Hollister, CaliforniaMon, Nov 9, 7:23 AM PST · 16388 days ago · 7 km deep · 76 km away
23. 2.49 km NW of Hollister, CaliforniaMon, Nov 9, 10:22 PM PST · 16387 days ago · 5 km deep · 77 km away
24. 2.75 km SSE of San Juan Bautista, CaliforniaTue, Nov 10, 1:28 AM PST · 16387 days ago · 8 km deep · 87 km away
25. 2.09 km NE of San Martin, CaliforniaTue, Nov 10, 6:08 AM PST · 16387 days ago · 8 km deep · 54 km away
26. 2.33 km SW of Antioch, CaliforniaWed, Nov 11, 10:57 AM PST · 16386 days ago · 18 km deep · 51 km away
27. 1.93 km SW of Antioch, CaliforniaWed, Nov 11, 11:05 AM PST · 16386 days ago · 19 km deep · 51 km away
28. 1.516 km SE of Livermore, CaliforniaFri, Nov 13, 6:09 AM PST · 16384 days ago · 9 km deep · 21 km away
29. 2.312 km SSW of Davenport, CaliforniaSat, Nov 14, 10:08 AM PST · 16383 days ago · 11 km deep · 76 km away
30. 1.88 km ENE of Gilroy, CaliforniaSat, Nov 14, 9:02 PM PST · 16382 days ago · 4 km deep · 64 km away
31. 1.99 km ESE of Lexington Hills, CaliforniaMon, Nov 16, 4:27 AM PST · 16381 days ago · 11 km deep · 44 km away
32. 3.39 km ENE of Gilroy, CaliforniaMon, Nov 16, 11:47 AM PST · 16381 days ago · 9 km deep · 64 km away
33. 1.83 km SE of Pacifica, CaliforniaTue, Nov 17, 2:57 AM PST · 16380 days ago · 9 km deep · 51 km away
34. 2.14 km NW of Mountain House, CaliforniaTue, Nov 17, 5:52 PM PST · 16379 days ago · 13 km deep · 41 km away
35. 2.07 km N of Pittsburg, CaliforniaWed, Nov 18, 7:32 AM PST · 16379 days ago · 18 km deep · 63 km away
36. 2.08 km SSE of Gilroy, CaliforniaThu, Nov 19, 10:52 PM PST · 16377 days ago · 6 km deep · 72 km away
37. 1.63 km SW of Loyola, CaliforniaFri, Nov 20, 4:27 AM PST · 16377 days ago · 6 km deep · 30 km away
38. 1.9Northern CaliforniaFri, Nov 20, 6:35 PM PST · 16376 days ago · 16 km deep · 38 km away
39. 1.95 km SSE of San Juan Bautista, CaliforniaSat, Nov 21, 8:57 AM PST · 16376 days ago · 9 km deep · 88 km away
40. 1.511 km SW of Brentwood, CaliforniaSat, Nov 21, 8:53 PM PST · 16375 days ago · 13 km deep · 38 km away
41. 1.85 km N of San Leandro, CaliforniaSun, Nov 22, 1:22 AM PST · 16375 days ago · 11 km deep · 37 km away
42. 1.67 km NE of East Foothills, CaliforniaTue, Nov 24, 11:15 AM PST · 16373 days ago · 10 km deep · 15 km away
43. 1.911 km NNW of Hollister, CaliforniaWed, Nov 25, 8:34 PM PST · 16371 days ago · 7 km deep · 75 km away
44. 2.85 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 11:15 AM PST · 16370 days ago · 7 km deep · 87 km away
45. 2.65 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 11:29 AM PST · 16370 days ago · 7 km deep · 87 km away
46. 2.35 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 1:41 PM PST · 16369 days ago · 7 km deep · 87 km away
47. 2.45 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 1:42 PM PST · 16369 days ago · 7 km deep · 87 km away
48. 1.95 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 8:23 PM PST · 16369 days ago · 6 km deep · 87 km away
49. 1.95 km SSE of San Juan Bautista, CaliforniaSat, Nov 28, 2:25 AM PST · 16369 days ago · 6 km deep · 87 km away
50. 1.77 km E of East Foothills, CaliforniaSat, Nov 28, 4:45 AM PST · 16369 days ago · 9 km deep · 21 km away
51. 2.39 km ESE of East Foothills, CaliforniaSat, Nov 28, 10:11 PM PST · 16368 days ago · 7 km deep · 24 km away
52. 1.89 km ESE of East Foothills, CaliforniaSat, Nov 28, 10:27 PM PST · 16368 days ago · 7 km deep · 24 km away
53. 2.12 km E of San Juan Bautista, CaliforniaSun, Nov 29, 5:51 PM PST · 16367 days ago · 8 km deep · 83 km away
54. 2.09 km E of Gilroy, CaliforniaMon, Nov 30, 6:57 AM PST · 16367 days ago · 9 km deep · 70 km away
55. 1.69 km NE of San Martin, CaliforniaMon, Nov 30, 9:10 AM PST · 16367 days ago · 8 km deep · 52 km away
56. 1.59 km NE of Morgan Hill, CaliforniaMon, Nov 30, 7:27 PM PST · 16366 days ago · 5 km deep · 46 km away
57. 1.612 km N of Hollister, CaliforniaTue, Dec 1, 5:15 AM PST · 16366 days ago · 6 km deep · 75 km away
58. 1.93 km WNW of American Canyon, CaliforniaTue, Dec 1, 4:02 PM PST · 16365 days ago · 6 km deep · 82 km away
59. 2.05 km SSW of Ridgemark, CaliforniaTue, Dec 1, 8:49 PM PST · 16365 days ago · 9 km deep · 95 km away
60. 1.72 km NNW of Hollister, CaliforniaFri, Dec 4, 9:04 PM PST · 16362 days ago · 7 km deep · 84 km away

The first 60 of 91.

Before

1. 3.14 km SSE of San Juan Bautista, CaliforniaSun, Oct 25, 3:08 PM PST · 16402 days ago · 6 km deep · 86 km away
2. 1.712 km SE of Livermore, CaliforniaSun, Oct 25, 7:56 AM PST · 16403 days ago · 6 km deep · 20 km away
3. 2.32 km S of Fairview, CaliforniaSun, Oct 25, 4:27 AM PST · 16403 days ago · 6 km deep · 20 km away
4. 2.22 km SSW of Hollister, CaliforniaSat, Oct 24, 10:41 PM PDT · 16403 days ago · 9 km deep · 88 km away
5. 2.28 km ENE of Gilroy, CaliforniaSat, Oct 24, 7:44 PM PDT · 16403 days ago · 8 km deep · 65 km away
6. 2.013 km N of Hollister, CaliforniaSat, Oct 24, 9:22 AM PDT · 16404 days ago · 6 km deep · 76 km away
7. 2.015 km WNW of Davenport, CaliforniaSat, Oct 24, 4:49 AM PDT · 16404 days ago · 1 km deep · 64 km away
8. 2.41 km NE of Tres Pinos, CaliforniaSat, Oct 24, 4:16 AM PDT · 16404 days ago · 8 km deep · 96 km away
9. 2.61 km NE of Tres Pinos, CaliforniaSat, Oct 24, 3:46 AM PDT · 16404 days ago · 8 km deep · 96 km away
10. 1.63 km ENE of Grayson, CaliforniaFri, Oct 23, 10:43 PM PDT · 16404 days ago · -1 km deep · 66 km away
11. 2.710 km ESE of East Foothills, CaliforniaFri, Oct 23, 8:03 PM PDT · 16404 days ago · 8 km deep · 26 km away
12. 2.310 km ESE of East Foothills, CaliforniaFri, Oct 23, 7:01 PM PDT · 16404 days ago · 8 km deep · 26 km away
13. 1.715 km NE of Morgan Hill, CaliforniaFri, Oct 23, 8:20 AM PDT · 16405 days ago · 7 km deep · 44 km away
14. 1.87 km SSW of Pescadero, CaliforniaFri, Oct 23, 2:56 AM PDT · 16405 days ago · 14 km deep · 58 km away
15. 1.72 km NE of San Leandro, CaliforniaThu, Oct 22, 10:18 PM PDT · 16405 days ago · 3 km deep · 33 km away
16. 1.99 km NE of Gilroy, CaliforniaThu, Oct 22, 10:34 AM PDT · 16406 days ago · 8 km deep · 62 km away
17. 2.714 km E of Seven Trees, CaliforniaWed, Oct 21, 3:42 AM PDT · 16407 days ago · 7 km deep · 30 km away
18. 1.78 km S of Gilroy, CaliforniaSun, Oct 18, 1:41 PM PDT · 16410 days ago · 7 km deep · 72 km away
19. 1.66 km SSE of San Juan Bautista, CaliforniaSun, Oct 18, 7:10 AM PDT · 16410 days ago · 9 km deep · 88 km away
20. 2.46 km SSE of San Juan Bautista, CaliforniaSun, Oct 18, 6:56 AM PDT · 16410 days ago · 9 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1068925. Read Tue, Sep 22, 2026, 8:40 AM UTC.