M2.1 earthquake 7 km NNE of Milpitas, California

Magnitude

2.1 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Mar 14, 1981, 7:24 AM PST

UTC

1981-03-14 15:24:25 UTC

Depth

0.2 km (0.1 mi), shallow

Epicenter

37.492° N, 121.877° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 19.4 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

51°

Stations used

51

• Milpitas, CaliforniaPopulation 77,604. Forecast8 kmNNE
• Fremont, CaliforniaPopulation 232,206. Forecast12 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast504 kmNW

After

1. 1.69 km ESE of East Foothills, CaliforniaSat, Mar 14, 8:07 AM PST · 16637 days ago · 8 km deep · 21 km away
2. 1.73 km N of Piedmont, CaliforniaSat, Mar 14, 9:09 AM PST · 16637 days ago · 11 km deep · 51 km away
3. 3.19 km SW of Brentwood, CaliforniaSun, Mar 15, 3:21 AM PST · 16637 days ago · 16 km deep · 42 km away
4. 2.14 km ESE of Aromas, CaliforniaSun, Mar 15, 9:08 PM PST · 16636 days ago · 6 km deep · 74 km away
5. 2.314 km E of Seven Trees, CaliforniaTue, Mar 17, 1:29 AM PST · 16635 days ago · 2 km deep · 28 km away
6. 1.614 km E of Seven Trees, CaliforniaThu, Mar 19, 8:17 AM PST · 16632 days ago · 1 km deep · 28 km away
7. 1.78 km ENE of Gilroy, CaliforniaThu, Mar 19, 3:47 PM PST · 16632 days ago · 8 km deep · 62 km away
8. 1.63 km NNE of Day Valley, CaliforniaThu, Mar 19, 8:04 PM PST · 16632 days ago · 15 km deep · 48 km away
9. 1.611 km E of Blackhawk, CaliforniaThu, Mar 19, 8:20 PM PST · 16632 days ago · 11 km deep · 38 km away
10. 2.85 km NNE of Interlaken, CaliforniaFri, Mar 20, 2:54 PM PST · 16631 days ago · 12 km deep · 57 km away
11. 1.69 km NE of Gilroy, CaliforniaSat, Mar 21, 1:31 AM PST · 16631 days ago · 9 km deep · 59 km away
12. 1.64 km NW of Dublin, CaliforniaSat, Mar 21, 11:33 AM PST · 16630 days ago · 7 km deep · 28 km away
13. 2.115 km E of Seven Trees, CaliforniaSat, Mar 21, 9:30 PM PST · 16630 days ago · 3 km deep · 29 km away
14. 2.314 km E of Seven Trees, CaliforniaSun, Mar 22, 6:44 AM PST · 16629 days ago · 4 km deep · 29 km away
15. 2.37 km E of East Foothills, CaliforniaMon, Mar 23, 1:34 AM PST · 16629 days ago · 8 km deep · 19 km away
16. 2.23 km NNW of Castro Valley, CaliforniaMon, Mar 23, 9:38 PM PST · 16628 days ago · 10 km deep · 33 km away
17. 1.69 km NE of San Martin, CaliforniaTue, Mar 24, 6:00 PM PST · 16627 days ago · 7 km deep · 49 km away
18. 1.58 km SSW of Tres Pinos, CaliforniaTue, Mar 24, 10:40 PM PST · 16627 days ago · 4 km deep · 97 km away
19. 2.08 km SSW of Tres Pinos, CaliforniaTue, Mar 24, 11:10 PM PST · 16627 days ago · 4 km deep · 97 km away
20. 2.07 km SSW of Tres Pinos, CaliforniaTue, Mar 24, 11:13 PM PST · 16627 days ago · 3 km deep · 97 km away
21. 1.58 km SSW of Tres Pinos, CaliforniaWed, Mar 25, 4:22 AM PST · 16627 days ago · 4 km deep · 97 km away
22. 3.114 km SSE of Livermore, CaliforniaWed, Mar 25, 8:58 AM PST · 16626 days ago · 2 km deep · 19 km away
23. 2.08 km SSW of Tres Pinos, CaliforniaWed, Mar 25, 12:32 PM PST · 16626 days ago · 4 km deep · 97 km away
24. 1.713 km N of Morgan Hill, CaliforniaWed, Mar 25, 6:33 PM PST · 16626 days ago · 6 km deep · 34 km away
25. 1.57 km SSW of Tres Pinos, CaliforniaThu, Mar 26, 1:10 AM PST · 16626 days ago · 4 km deep · 97 km away
26. 2.09 km S of Tres Pinos, CaliforniaThu, Mar 26, 6:05 AM PST · 16626 days ago · 3 km deep · 99 km away
27. 1.614 km SSE of Livermore, CaliforniaThu, Mar 26, 8:03 AM PST · 16625 days ago · 2 km deep · 18 km away
28. 1.89 km NNE of San Juan Bautista, CaliforniaThu, Mar 26, 8:28 PM PST · 16625 days ago · 4 km deep · 71 km away
29. 2.42 km SSW of Hollister, CaliforniaFri, Mar 27, 6:54 PM PST · 16624 days ago · 9 km deep · 84 km away
30. 1.710 km E of San Martin, CaliforniaSat, Mar 28, 8:25 AM PST · 16623 days ago · 9 km deep · 56 km away
31. 1.515 km SSE of Livermore, CaliforniaSat, Mar 28, 10:31 AM PST · 16623 days ago · 2 km deep · 19 km away
32. 2.94 km SSW of Ridgemark, CASat, Mar 28, 12:28 PM PST · 16623 days ago · 3 km deep · 90 km away
33. 2.112 km NNW of Hollister, CaliforniaTue, Mar 31, 1:26 AM PST · 16621 days ago · 4 km deep · 71 km away
34. 1.70 km WNW of Hollister, CaliforniaTue, Mar 31, 4:27 PM PST · 16620 days ago · 8 km deep · 82 km away
35. 2.07 km SSW of Tres Pinos, CaliforniaWed, Apr 1, 7:44 AM PST · 16619 days ago · 3 km deep · 97 km away
36. 1.63 km WSW of Hollister, CaliforniaThu, Apr 2, 1:04 AM PST · 16619 days ago · 7 km deep · 82 km away
37. 1.68 km NE of San Martin, CaliforniaThu, Apr 2, 1:30 AM PST · 16619 days ago · 6 km deep · 50 km away
38. 1.96 km S of Sunol, CaliforniaThu, Apr 2, 10:32 AM PST · 16618 days ago · 9 km deep · 5 km away
39. 2.110 km SSE of San Juan Bautista, CaliforniaThu, Apr 2, 11:28 AM PST · 16618 days ago · 7 km deep · 88 km away
40. 2.02 km WSW of San Juan Bautista, CaliforniaThu, Apr 2, 12:49 PM PST · 16618 days ago · 7 km deep · 78 km away
41. 1.65 km SSE of San Juan Bautista, CaliforniaThu, Apr 2, 11:16 PM PST · 16618 days ago · 6 km deep · 83 km away
42. 1.62 km NW of Bonny Doon, CaliforniaFri, Apr 3, 3:29 PM PST · 16617 days ago · 12 km deep · 55 km away
43. 1.616 km SSE of Livermore, CaliforniaSat, Apr 4, 8:49 PM PST · 16616 days ago · -1 km deep · 20 km away
44. 1.59 km NE of Gilroy, CaliforniaSun, Apr 5, 1:30 AM PST · 16616 days ago · 8 km deep · 58 km away
45. 1.74 km W of Westley, CaliforniaMon, Apr 6, 2:48 AM PST · 16615 days ago · 8 km deep · 56 km away
46. 1.58 km E of East Foothills, CaliforniaMon, Apr 6, 4:16 AM PST · 16615 days ago · 8 km deep · 19 km away
47. 1.53 km WSW of Campbell, CaliforniaMon, Apr 6, 6:39 AM PST · 16614 days ago · 4 km deep · 26 km away
48. 1.88 km SSW of Tres Pinos, CaliforniaTue, Apr 7, 12:48 AM PST · 16614 days ago · 3 km deep · 97 km away
49. 1.53 km NNE of Pleasanton, CaliforniaTue, Apr 7, 2:32 AM PST · 16614 days ago · 14 km deep · 23 km away
50. 1.912 km N of Livermore, CaliforniaTue, Apr 7, 3:30 AM PST · 16614 days ago · 10 km deep · 35 km away
51. 2.22 km NE of Ridgemark, CaliforniaWed, Apr 8, 9:17 PM PST · 16612 days ago · 7 km deep · 88 km away
52. 1.89 km NNW of Hollister, CaliforniaThu, Apr 9, 12:13 AM PST · 16612 days ago · 0 km deep · 73 km away
53. 1.74 km NE of Blackhawk, CaliforniaFri, Apr 10, 3:03 PM PST · 16610 days ago · 5 km deep · 39 km away
54. 3.08 km SSW of Tres Pinos, CaliforniaSat, Apr 11, 1:22 PM PST · 16609 days ago · 3 km deep · 97 km away
55. 3.410 km NNE of Livermore, CaliforniaSat, Apr 11, 3:47 PM PST · 16609 days ago · 13 km deep · 34 km away
56. 1.814 km E of Seven Trees, CaliforniaSat, Apr 11, 7:08 PM PST · 16609 days ago · 1 km deep · 28 km away
57. 1.610 km E of Gilroy, CaliforniaMon, Apr 13, 11:21 PM PST · 16607 days ago · 8 km deep · 66 km away
58. 1.65 km ENE of San Martin, CaliforniaTue, Apr 14, 2:43 PM PST · 16606 days ago · 3 km deep · 53 km away
59. 1.822 km SE of Livermore, CaliforniaTue, Apr 14, 2:54 PM PST · 16606 days ago · 2 km deep · 23 km away
60. 2.73 km W of San Juan Bautista, CaliforniaWed, Apr 15, 10:03 AM PST · 16605 days ago · 6 km deep · 77 km away

The first 60 of 97.

Before

1. 1.68 km ENE of Gilroy, CaliforniaSat, Mar 14, 7:18 AM PST · 16637 days ago · 7 km deep · 60 km away
2. 1.75 km E of Fremont, CaliforniaSat, Mar 14, 1:26 AM PST · 16638 days ago · 9 km deep · 8 km away
3. 1.813 km N of Morgan Hill, CaliforniaFri, Mar 13, 8:57 PM PST · 16638 days ago · 6 km deep · 34 km away
4. 1.75 km E of Fremont, CaliforniaFri, Mar 13, 8:47 AM PST · 16638 days ago · 5 km deep · 7 km away
5. 2.13 km ESE of Aromas, CaliforniaWed, Mar 11, 6:45 AM PST · 16640 days ago · 6 km deep · 72 km away
6. 2.21 km ENE of Aromas, CaliforniaTue, Mar 10, 7:17 PM PST · 16641 days ago · 7 km deep · 70 km away
7. 1.60 km ENE of Aromas, CaliforniaTue, Mar 10, 5:29 PM PST · 16641 days ago · 6 km deep · 70 km away
8. 1.61 km ENE of Aromas, CaliforniaTue, Mar 10, 5:28 PM PST · 16641 days ago · 7 km deep · 70 km away
9. 1.61 km ENE of Aromas, CaliforniaTue, Mar 10, 4:01 PM PST · 16641 days ago · 7 km deep · 70 km away
10. 3.31 km ENE of Aromas, CaliforniaTue, Mar 10, 3:56 PM PST · 16641 days ago · 7 km deep · 70 km away
11. 1.82 km SSW of Pittsburg, CaliforniaMon, Mar 9, 11:46 PM PST · 16642 days ago · 18 km deep · 57 km away
12. 2.714 km E of Seven Trees, CaliforniaSun, Mar 8, 3:15 PM PST · 16643 days ago · 7 km deep · 27 km away
13. 1.73 km SW of Davenport, CaliforniaSun, Mar 8, 5:05 AM PST · 16644 days ago · 7 km deep · 64 km away
14. 3.22 km ESE of Aromas, CaliforniaSun, Mar 8, 2:28 AM PST · 16644 days ago · 8 km deep · 72 km away
15. 2.12 km ESE of Aromas, CaliforniaSat, Mar 7, 5:49 AM PST · 16645 days ago · 8 km deep · 72 km away
16. 1.64 km E of Fremont, CaliforniaFri, Mar 6, 7:00 AM PST · 16645 days ago · 8 km deep · 8 km away
17. 1.79 km E of San Martin, CaliforniaThu, Mar 5, 12:25 PM PST · 16646 days ago · 8 km deep · 56 km away
18. 1.62 km ENE of Pacheco, CaliforniaThu, Mar 5, 6:26 AM PST · 16646 days ago · 15 km deep · 58 km away
19. 1.78 km NE of Gilroy, CaliforniaWed, Mar 4, 10:24 PM PST · 16647 days ago · 4 km deep · 59 km away
20. 1.66 km ENE of East Foothills, CaliforniaWed, Mar 4, 4:08 AM PST · 16648 days ago · 4 km deep · 15 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1061334. Read Fri, Oct 2, 2026, 1:43 AM UTC.