M2.2 earthquake 8 km ENE of Milpitas, California

Magnitude

2.2 (md), micro

Local time

Wed, Nov 4, 1981, 6:56 AM PST

UTC

1981-11-04 14:56:42 UTC

Depth

7.3 km (4.6 mi), shallow

Epicenter

37.463° N, 121.817° 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

±0.17

Depth from

From location

Station coverage gap

29°

Stations used

64

• Milpitas, CaliforniaPopulation 77,604. Forecast9 kmENE
• San Jose, CaliforniaPopulation 997,368. Forecast15 kmNNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast498 kmNW

After

1. 2.01 km S of Tres Pinos, CaliforniaWed, Nov 4, 12:43 PM PST · 16394 days ago · 4 km deep · 88 km away
2. 2.27 km E of East Foothills, CaliforniaFri, Nov 6, 10:25 AM PST · 16392 days ago · 7 km deep · 11 km away
3. 1.815 km S of Pescadero, CaliforniaFri, Nov 6, 2:49 PM PST · 16392 days ago · 5 km deep · 63 km away
4. 2.42 km SSW of San Juan Bautista, CaliforniaSat, Nov 7, 4:20 PM PST · 16391 days ago · 6 km deep · 75 km away
5. 2.68 km SSW of Tres Pinos, CaliforniaSun, Nov 8, 1:26 PM PST · 16390 days ago · 1 km deep · 93 km away
6. 1.813 km N of Hollister, CaliforniaMon, Nov 9, 7:23 AM PST · 16389 days ago · 7 km deep · 67 km away
7. 2.49 km NW of Hollister, CaliforniaMon, Nov 9, 10:22 PM PST · 16388 days ago · 5 km deep · 68 km away
8. 2.75 km SSE of San Juan Bautista, CaliforniaTue, Nov 10, 1:28 AM PST · 16388 days ago · 8 km deep · 79 km away
9. 2.09 km NE of San Martin, CaliforniaTue, Nov 10, 6:08 AM PST · 16388 days ago · 8 km deep · 44 km away
10. 2.33 km SW of Antioch, CaliforniaWed, Nov 11, 10:57 AM PST · 16387 days ago · 18 km deep · 58 km away
11. 1.93 km SW of Antioch, CaliforniaWed, Nov 11, 11:05 AM PST · 16387 days ago · 19 km deep · 58 km away
12. 1.516 km SE of Livermore, CaliforniaFri, Nov 13, 6:09 AM PST · 16385 days ago · 9 km deep · 17 km away
13. 2.312 km SSW of Davenport, CaliforniaSat, Nov 14, 10:08 AM PST · 16384 days ago · 11 km deep · 73 km away
14. 1.88 km ENE of Gilroy, CaliforniaSat, Nov 14, 9:02 PM PST · 16383 days ago · 4 km deep · 55 km away
15. 1.99 km ESE of Lexington Hills, CaliforniaMon, Nov 16, 4:27 AM PST · 16382 days ago · 11 km deep · 38 km away
16. 3.39 km ENE of Gilroy, CaliforniaMon, Nov 16, 11:47 AM PST · 16382 days ago · 9 km deep · 55 km away
17. 1.83 km SE of Pacifica, CaliforniaTue, Nov 17, 2:57 AM PST · 16381 days ago · 9 km deep · 59 km away
18. 2.14 km NW of Mountain House, CaliforniaTue, Nov 17, 5:52 PM PST · 16381 days ago · 13 km deep · 43 km away
19. 2.07 km N of Pittsburg, CaliforniaWed, Nov 18, 7:32 AM PST · 16380 days ago · 18 km deep · 70 km away
20. 2.08 km SSE of Gilroy, CaliforniaThu, Nov 19, 10:52 PM PST · 16378 days ago · 6 km deep · 64 km away
21. 1.63 km SW of Loyola, CaliforniaFri, Nov 20, 4:27 AM PST · 16378 days ago · 6 km deep · 31 km away
22. 1.9Northern CaliforniaFri, Nov 20, 6:35 PM PST · 16377 days ago · 16 km deep · 43 km away
23. 1.95 km SSE of San Juan Bautista, CaliforniaSat, Nov 21, 8:57 AM PST · 16377 days ago · 9 km deep · 79 km away
24. 1.511 km SW of Brentwood, CaliforniaSat, Nov 21, 8:53 PM PST · 16376 days ago · 13 km deep · 44 km away
25. 1.85 km N of San Leandro, CaliforniaSun, Nov 22, 1:22 AM PST · 16376 days ago · 11 km deep · 46 km away
26. 1.67 km NE of East Foothills, CaliforniaTue, Nov 24, 11:15 AM PST · 16374 days ago · 10 km deep · 5 km away
27. 1.911 km NNW of Hollister, CaliforniaWed, Nov 25, 8:34 PM PST · 16372 days ago · 7 km deep · 66 km away
28. 2.85 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 11:15 AM PST · 16371 days ago · 7 km deep · 79 km away
29. 2.65 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 11:29 AM PST · 16371 days ago · 7 km deep · 78 km away
30. 2.35 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 1:41 PM PST · 16371 days ago · 7 km deep · 79 km away
31. 2.45 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 1:42 PM PST · 16371 days ago · 7 km deep · 78 km away
32. 1.95 km SSE of San Juan Bautista, CaliforniaFri, Nov 27, 8:23 PM PST · 16370 days ago · 6 km deep · 78 km away
33. 1.95 km SSE of San Juan Bautista, CaliforniaSat, Nov 28, 2:25 AM PST · 16370 days ago · 6 km deep · 79 km away
34. 1.77 km E of East Foothills, CaliforniaSat, Nov 28, 4:45 AM PST · 16370 days ago · 9 km deep · 12 km away
35. 2.39 km ESE of East Foothills, CaliforniaSat, Nov 28, 10:11 PM PST · 16369 days ago · 7 km deep · 15 km away
36. 1.89 km ESE of East Foothills, CaliforniaSat, Nov 28, 10:27 PM PST · 16369 days ago · 7 km deep · 15 km away
37. 2.12 km E of San Juan Bautista, CaliforniaSun, Nov 29, 5:51 PM PST · 16369 days ago · 8 km deep · 74 km away
38. 2.09 km E of Gilroy, CaliforniaMon, Nov 30, 6:57 AM PST · 16368 days ago · 9 km deep · 61 km away
39. 1.69 km NE of San Martin, CaliforniaMon, Nov 30, 9:10 AM PST · 16368 days ago · 8 km deep · 42 km away
40. 1.59 km NE of Morgan Hill, CaliforniaMon, Nov 30, 7:27 PM PST · 16367 days ago · 5 km deep · 36 km away
41. 1.612 km N of Hollister, CaliforniaTue, Dec 1, 5:15 AM PST · 16367 days ago · 6 km deep · 66 km away
42. 1.93 km WNW of American Canyon, CaliforniaTue, Dec 1, 4:02 PM PST · 16367 days ago · 6 km deep · 91 km away
43. 2.05 km SSW of Ridgemark, CaliforniaTue, Dec 1, 8:49 PM PST · 16366 days ago · 9 km deep · 86 km away
44. 1.72 km NNW of Hollister, CaliforniaFri, Dec 4, 9:04 PM PST · 16363 days ago · 7 km deep · 74 km away
45. 2.38 km NE of San Martin, CaliforniaSun, Dec 6, 10:31 PM PST · 16361 days ago · 8 km deep · 45 km away
46. 1.716 km E of East Foothills, CaliforniaTue, Dec 8, 12:13 AM PST · 16360 days ago · 6 km deep · 19 km away
47. 1.88 km ESE of Tracy, CaliforniaTue, Dec 8, 8:43 AM PST · 16360 days ago · 78 km deep · 50 km away
48. 2.1Central CaliforniaTue, Dec 8, 9:07 PM PST · 16359 days ago · 3 km deep · 82 km away
49. 1.71 km SSE of North Gate, CaliforniaWed, Dec 9, 8:14 AM PST · 16359 days ago · 10 km deep · 50 km away
50. 1.99 km SSW of Tres Pinos, CaliforniaWed, Dec 9, 11:44 AM PST · 16359 days ago · 3 km deep · 94 km away
51. 2.3Northern CaliforniaWed, Dec 9, 7:10 PM PST · 16358 days ago · 15 km deep · 38 km away
52. 2.3Northern CaliforniaWed, Dec 9, 7:13 PM PST · 16358 days ago · 16 km deep · 38 km away
53. 1.7Northern CaliforniaThu, Dec 10, 1:03 AM PST · 16358 days ago · 10 km deep · 50 km away
54. 1.69 km E of San Martin, CaliforniaThu, Dec 10, 1:59 AM PST · 16358 days ago · 8 km deep · 50 km away
55. 2.54 km WNW of San Juan Bautista, CaliforniaThu, Dec 10, 10:24 AM PST · 16358 days ago · 6 km deep · 70 km away
56. 1.79 km NE of San Martin, CaliforniaThu, Dec 10, 10:57 PM PST · 16357 days ago · 5 km deep · 42 km away
57. 1.96 km SSE of Gilroy, CaliforniaFri, Dec 11, 5:55 AM PST · 16357 days ago · 4 km deep · 62 km away
58. 1.89 km NNE of San Juan Bautista, CaliforniaFri, Dec 11, 5:56 AM PST · 16357 days ago · 2 km deep · 65 km away
59. 3.72 km WNW of Portola Valley, CaliforniaSat, Dec 12, 7:11 AM PST · 16356 days ago · 8 km deep · 40 km away
60. 2.82 km WNW of Portola Valley, CaliforniaSat, Dec 12, 7:54 AM PST · 16356 days ago · 7 km deep · 40 km away

The first 60 of 87.

Before

1. 1.95 km SE of Tres Pinos, CaliforniaTue, Nov 3, 10:32 PM PST · 16394 days ago · 8 km deep · 92 km away
2. 1.95 km SW of Ridgemark, CaliforniaTue, Nov 3, 3:49 PM PST · 16395 days ago · 6 km deep · 85 km away
3. 2.5Central CaliforniaTue, Nov 3, 3:31 PM PST · 16395 days ago · 2 km deep · 95 km away
4. 1.84 km WNW of San Juan Bautista, CaliforniaTue, Nov 3, 12:43 AM PST · 16395 days ago · 5 km deep · 71 km away
5. 1.73 km S of Green Valley, CaliforniaMon, Nov 2, 4:43 PM PST · 16396 days ago · 9 km deep · 90 km away
6. 2.33 km S of Fairview, CaliforniaMon, Nov 2, 7:43 AM PST · 16396 days ago · 4 km deep · 29 km away
7. 3.11 km ENE of Pittsburg, CaliforniaMon, Nov 2, 7:03 AM PST · 16396 days ago · 15 km deep · 63 km away
8. 1.93 km S of Fairview, CaliforniaSun, Nov 1, 6:38 AM PST · 16397 days ago · 4 km deep · 29 km away
9. 1.75 km SW of Gilroy, CaliforniaSat, Oct 31, 5:03 PM PST · 16398 days ago · 5 km deep · 57 km away
10. 2.020 km ESE of East Foothills, CaliforniaSat, Oct 31, 10:05 AM PST · 16398 days ago · 6 km deep · 24 km away
11. 2.32 km SSW of San Juan Bautista, CaliforniaFri, Oct 30, 1:12 PM PST · 16399 days ago · 5 km deep · 75 km away
12. 1.62 km SE of Ladera, CaliforniaWed, Oct 28, 10:33 PM PST · 16400 days ago · 2 km deep · 33 km away
13. 2.02 km E of Ladera, CaliforniaWed, Oct 28, 6:30 PM PST · 16400 days ago · 4 km deep · 32 km away
14. 2.44 km W of San Juan Bautista, CaliforniaWed, Oct 28, 10:25 AM PST · 16401 days ago · 4 km deep · 71 km away
15. 1.85 km WNW of Broadmoor, CaliforniaTue, Oct 27, 4:31 PM PST · 16402 days ago · 7 km deep · 69 km away
16. 2.38 km ESE of East Foothills, CaliforniaMon, Oct 26, 10:11 PM PST · 16402 days ago · 8 km deep · 14 km away
17. 2.211 km ENE of Blackhawk, CaliforniaMon, Oct 26, 7:34 PM PST · 16402 days ago · 16 km deep · 42 km away
18. 2.013 km NNE of Hollister, CaliforniaMon, Oct 26, 2:25 PM PST · 16403 days ago · 5 km deep · 68 km away
19. 2.87 km S of Sunol, CaliforniaSun, Oct 25, 3:55 PM PST · 16404 days ago · 9 km deep · 9 km away
20. 3.14 km SSE of San Juan Bautista, CaliforniaSun, Oct 25, 3:08 PM PST · 16404 days ago · 6 km deep · 77 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1069187. Read Wed, Sep 23, 2026, 1:35 PM UTC.