M1.7 earthquake 16 km SSE of Livermore, California

Magnitude

1.7 (md), micro

Local time

Fri, Dec 19, 1986, 8:37 AM PST

UTC

1986-12-19 16:37:08 UTC

Depth

2.7 km (1.7 mi), shallow

Epicenter

37.560° N, 121.668° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

55°

Stations used

32

• Livermore, CaliforniaPopulation 88,126. Forecast16 kmSSE
• Fremont, CaliforniaPopulation 232,206. Forecast28 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast497 kmNW

After

1. 3.68 km N of East Foothills, CaliforniaFri, Dec 19, 6:19 PM PST · 14522 days ago · 7 km deep · 17 km away
2. 2.26 km NNE of Interlaken, CaliforniaFri, Dec 19, 7:11 PM PST · 14522 days ago · 10 km deep · 62 km away
3. 1.71 km N of Diablo, CaliforniaFri, Dec 19, 8:23 PM PST · 14522 days ago · 14 km deep · 41 km away
4. 1.715 km SE of Livermore, CaliforniaFri, Dec 19, 9:30 PM PST · 14522 days ago · 4 km deep · 0 km away
5. 2.17 km ENE of Napa, CaliforniaSat, Dec 20, 12:55 AM PST · 14522 days ago · 4 km deep · 98 km away
6. 1.86 km N of Green Valley, CaliforniaSat, Dec 20, 3:49 AM PST · 14521 days ago · 10 km deep · 94 km away
7. 1.816 km SE of Livermore, CaliforniaSun, Dec 21, 2:29 AM PST · 14521 days ago · 2 km deep · 1 km away
8. 2.016 km SSE of Livermore, CaliforniaSun, Dec 21, 11:08 AM PST · 14520 days ago · 2 km deep · 0 km away
9. 1.99 km NW of Broadmoor, CaliforniaSun, Dec 21, 4:08 PM PST · 14520 days ago · 8 km deep · 81 km away
10. 1.816 km SSE of Livermore, CaliforniaMon, Dec 22, 1:14 AM PST · 14520 days ago · 2 km deep · 0 km away
11. 1.53 km SE of Tres Pinos, CaliforniaMon, Dec 22, 6:01 AM PST · 14519 days ago · 7 km deep · 94 km away
12. 1.56 km NE of Hollister, CaliforniaMon, Dec 22, 9:19 AM PST · 14519 days ago · 7 km deep · 80 km away
13. 2.015 km SE of Livermore, CaliforniaWed, Dec 24, 2:09 PM PST · 14517 days ago · 2 km deep · 1 km away
14. 1.69 km NE of Milpitas, CaliforniaWed, Dec 24, 11:22 PM PST · 14517 days ago · 7 km deep · 16 km away
15. 2.910 km NW of Broadmoor, CaliforniaThu, Dec 25, 5:28 AM PST · 14516 days ago · 9 km deep · 82 km away
16. 2.4Northern CaliforniaThu, Dec 25, 7:03 AM PST · 14516 days ago · 6 km deep · 6 km away
17. 2.418 km NE of East Foothills, CaliforniaFri, Dec 26, 6:07 AM PST · 14515 days ago · 6 km deep · 5 km away
18. 2.35 km SSW of Gilroy, CaliforniaFri, Dec 26, 8:28 AM PST · 14515 days ago · 4 km deep · 67 km away
19. 1.88 km SE of San Juan Bautista, CaliforniaSat, Dec 27, 4:30 PM PST · 14514 days ago · 3 km deep · 88 km away
20. 1.71 km NE of East Richmond Heights, CaliforniaSat, Dec 27, 8:21 PM PST · 14514 days ago · 8 km deep · 71 km away
21. 1.81 km NE of East Richmond Heights, CaliforniaSat, Dec 27, 8:49 PM PST · 14514 days ago · 8 km deep · 71 km away
22. 1.610 km NW of Daly City, CaliforniaSun, Dec 28, 9:02 AM PST · 14513 days ago · 10 km deep · 81 km away
23. 4.08 km NNE of East Foothills, CaliforniaMon, Dec 29, 7:28 AM PST · 14512 days ago · 7 km deep · 16 km away
24. 2.38 km N of East Foothills, CaliforniaMon, Dec 29, 7:35 AM PST · 14512 days ago · 6 km deep · 16 km away
25. 1.97 km NNE of East Foothills, CaliforniaMon, Dec 29, 12:04 PM PST · 14512 days ago · 7 km deep · 17 km away
26. 1.97 km NNE of East Foothills, CaliforniaMon, Dec 29, 4:09 PM PST · 14512 days ago · 7 km deep · 17 km away
27. 1.68 km NNE of East Foothills, CAMon, Dec 29, 6:41 PM PST · 14512 days ago · 7 km deep · 17 km away
28. 1.97 km NNE of East Foothills, CaliforniaMon, Dec 29, 9:41 PM PST · 14512 days ago · 7 km deep · 17 km away
29. 1.6Northern CaliforniaTue, Dec 30, 6:38 AM PST · 14511 days ago · 7 km deep · 17 km away
30. 1.517 km SE of Livermore, CATue, Dec 30, 7:06 AM PST · 14511 days ago · 1 km deep · 1 km away
31. 1.7Northern CaliforniaTue, Dec 30, 1:15 PM PST · 14511 days ago · 7 km deep · 17 km away
32. 2.1Northern CaliforniaTue, Dec 30, 2:41 PM PST · 14511 days ago · 1 km deep · 1 km away
33. 1.99 km E of Gilroy, CaliforniaWed, Dec 31, 2:21 AM PST · 14511 days ago · 6 km deep · 64 km away
34. 1.512 km ESE of Gilroy, CaliforniaWed, Dec 31, 4:46 AM PST · 14510 days ago · 5 km deep · 69 km away
35. 2.01 km W of Hollister, CaliforniaWed, Dec 31, 7:47 AM PST · 14510 days ago · 5 km deep · 82 km away
36. 3.013 km ENE of East Foothills, CaliforniaWed, Dec 31, 9:05 AM PST · 14510 days ago · 7 km deep · 14 km away
37. 2.42 km SW of San Juan Bautista, CaliforniaWed, Dec 31, 9:38 AM PST · 14510 days ago · 7 km deep · 82 km away
38. 1.613 km ENE of East Foothills, CaliforniaWed, Dec 31, 9:44 AM PST · 14510 days ago · 6 km deep · 14 km away
39. 1.913 km ENE of East Foothills, CaliforniaWed, Dec 31, 1:10 PM PST · 14510 days ago · 7 km deep · 14 km away
40. 2.21 km N of Bonny Doon, CaliforniaWed, Dec 31, 4:08 PM PST · 14510 days ago · 22 km deep · 71 km away
41. 1.621 km ENE of East Foothills, CaliforniaWed, Dec 31, 6:10 PM PST · 14510 days ago · 5 km deep · 9 km away
42. 1.57 km NNE of East Foothills, CaliforniaThu, Jan 1, 11:31 AM PST · 14509 days ago · 6 km deep · 17 km away
43. 2.57 km NNE of East Foothills, CaliforniaThu, Jan 1, 1:47 PM PST · 14509 days ago · 7 km deep · 17 km away
44. 1.76 km NNE of East Foothills, CaliforniaThu, Jan 1, 3:26 PM PST · 14509 days ago · 8 km deep · 17 km away
45. 2.33 km ESE of Tres Pinos, CaliforniaThu, Jan 1, 7:05 PM PST · 14509 days ago · 7 km deep · 94 km away
46. 2.013 km ENE of East Foothills, CaliforniaThu, Jan 1, 7:59 PM PST · 14509 days ago · 6 km deep · 14 km away
47. 1.6Central CaliforniaFri, Jan 2, 8:41 AM PST · 14508 days ago · 5 km deep · 87 km away
48. 1.912 km SSE of Livermore, CaliforniaFri, Jan 2, 11:26 AM PST · 14508 days ago · 3 km deep · 4 km away
49. 2.412 km SSE of Livermore, CaliforniaFri, Jan 2, 11:27 AM PST · 14508 days ago · 3 km deep · 4 km away
50. 1.68 km SSW of Tres Pinos, CaliforniaSat, Jan 3, 2:29 PM PST · 14507 days ago · 3 km deep · 97 km away
51. 2.016 km SSE of Livermore, CaliforniaSun, Jan 4, 8:31 AM PST · 14506 days ago · 2 km deep · 0 km away
52. 2.05 km SSE of Byron, CaliforniaMon, Jan 5, 5:57 AM PST · 14505 days ago · 9 km deep · 29 km away
53. 1.95 km SSE of Byron, CaliforniaMon, Jan 5, 7:23 AM PST · 14505 days ago · 9 km deep · 29 km away
54. 1.85 km S of Byron, CaliforniaMon, Jan 5, 9:29 AM PST · 14505 days ago · 8 km deep · 29 km away
55. 2.05 km S of Byron, CaliforniaTue, Jan 6, 1:48 AM PST · 14505 days ago · 9 km deep · 29 km away
56. 1.53 km W of Mountain House, CaliforniaTue, Jan 6, 8:47 AM PST · 14504 days ago · 4 km deep · 26 km away
57. 1.75 km SE of Byron, CaliforniaTue, Jan 6, 9:07 AM PST · 14504 days ago · 10 km deep · 30 km away
58. 1.65 km SSE of Byron, CaliforniaTue, Jan 6, 9:20 AM PST · 14504 days ago · 10 km deep · 30 km away
59. 1.52 km W of La Honda, CaliforniaTue, Jan 6, 9:31 AM PST · 14504 days ago · 4 km deep · 62 km away
60. 1.55 km WNW of Mountain House, CaliforniaTue, Jan 6, 11:46 AM PST · 14504 days ago · 5 km deep · 27 km away

The first 60 of 165.

Before

1. 2.5Northern CaliforniaFri, Dec 19, 3:27 AM PST · 14522 days ago · 9 km deep · 95 km away
2. 1.94 km SSE of Byron, CaliforniaWed, Dec 17, 9:27 AM PST · 14524 days ago · 10 km deep · 30 km away
3. 2.56 km NNE of Interlaken, CaliforniaWed, Dec 17, 6:54 AM PST · 14524 days ago · 11 km deep · 62 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc90613. Read Tue, Sep 22, 2026, 10:27 PM UTC.