M1.6 earthquake 6 km SE of Sunol, California

Magnitude

1.6 (md), micro

Local time

Fri, Aug 15, 1986, 3:47 PM PDT

UTC

1986-08-15 22:47:21 UTC

Depth

7.9 km (4.9 mi), shallow

Epicenter

37.555° N, 121.834° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

99°

Stations used

34

• Sunol, CaliforniaPopulation 913. Forecast7 kmSE
• Pleasanton, CaliforniaPopulation 79,510. Forecast12 kmSSE
• Fremont, CaliforniaPopulation 232,206. Forecast14 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast506 kmNW

After

1. 1.66 km SE of Sunol, CaliforniaFri, Aug 15, 8:39 PM PDT · 14655 days ago · 8 km deep · 0 km away
2. 2.511 km ENE of East Foothills, CaliforniaSat, Aug 16, 12:11 AM PDT · 14654 days ago · 7 km deep · 19 km away
3. 2.62 km NNE of San Ramon, CaliforniaSat, Aug 16, 6:47 AM PDT · 14654 days ago · 10 km deep · 30 km away
4. 1.913 km ENE of East Foothills, CaliforniaSat, Aug 16, 5:05 PM PDT · 14654 days ago · 8 km deep · 18 km away
5. 1.718 km NE of East Foothills, CaliforniaMon, Aug 18, 4:41 AM PDT · 14652 days ago · 8 km deep · 14 km away
6. 1.613 km NE of East Foothills, CaliforniaMon, Aug 18, 9:34 AM PDT · 14652 days ago · 8 km deep · 13 km away
7. 1.716 km NE of East Foothills, CaliforniaMon, Aug 18, 12:37 PM PDT · 14652 days ago · 4 km deep · 15 km away
8. 1.518 km NE of East Foothills, CaliforniaMon, Aug 18, 6:10 PM PDT · 14652 days ago · 6 km deep · 14 km away
9. 1.618 km NE of East Foothills, CaliforniaTue, Aug 19, 10:32 AM PDT · 14651 days ago · 6 km deep · 14 km away
10. 2.68 km ESE of East Foothills, CaliforniaTue, Aug 19, 7:37 PM PDT · 14651 days ago · 6 km deep · 24 km away
11. 3.37 km NE of San Martin, CaliforniaWed, Aug 20, 12:02 AM PDT · 14650 days ago · 4 km deep · 54 km away
12. 2.87 km NE of San Martin, CaliforniaWed, Aug 20, 12:03 AM PDT · 14650 days ago · 4 km deep · 54 km away
13. 2.27 km NE of San Martin, CaliforniaWed, Aug 20, 12:21 AM PDT · 14650 days ago · 4 km deep · 54 km away
14. 1.87 km NE of San Martin, CaliforniaWed, Aug 20, 1:11 AM PDT · 14650 days ago · 4 km deep · 54 km away
15. 1.87 km NE of San Martin, CaliforniaWed, Aug 20, 1:13 AM PDT · 14650 days ago · 4 km deep · 54 km away
16. 1.67 km NE of San Martin, CaliforniaWed, Aug 20, 1:15 AM PDT · 14650 days ago · 4 km deep · 55 km away
17. 3.07 km NE of San Martin, CaliforniaWed, Aug 20, 2:50 AM PDT · 14650 days ago · 4 km deep · 54 km away
18. 3.27 km NE of San Martin, CaliforniaWed, Aug 20, 2:57 AM PDT · 14650 days ago · 4 km deep · 54 km away
19. 3.218 km NE of East Foothills, CaliforniaWed, Aug 20, 6:04 PM PDT · 14650 days ago · 6 km deep · 13 km away
20. 1.518 km NE of East Foothills, CaliforniaThu, Aug 21, 5:20 PM PDT · 14649 days ago · 5 km deep · 14 km away
21. 2.318 km NE of East Foothills, CaliforniaThu, Aug 21, 11:50 PM PDT · 14648 days ago · 6 km deep · 14 km away
22. 1.518 km SSE of Livermore, CaliforniaFri, Aug 22, 12:37 AM PDT · 14648 days ago · 8 km deep · 14 km away
23. 1.59 km ESE of East Foothills, CaliforniaFri, Aug 22, 1:15 AM PDT · 14648 days ago · 8 km deep · 24 km away
24. 1.99 km ESE of East Foothills, CaliforniaFri, Aug 22, 1:34 AM PDT · 14648 days ago · 8 km deep · 24 km away
25. 2.53 km WSW of San Juan Bautista, CaliforniaFri, Aug 22, 6:02 AM PDT · 14648 days ago · 8 km deep · 83 km away
26. 1.76 km NNE of Tres Pinos, CaliforniaFri, Aug 22, 9:34 AM PDT · 14648 days ago · 4 km deep · 93 km away
27. 1.92 km WSW of Portola Valley, CaliforniaSat, Aug 23, 7:15 PM PDT · 14647 days ago · 10 km deep · 42 km away
28. 2.19 km NNE of East Foothills, CaliforniaSun, Aug 24, 4:18 PM PDT · 14646 days ago · 5 km deep · 12 km away
29. 1.64 km SE of Piedmont, CaliforniaMon, Aug 25, 1:18 AM PDT · 14645 days ago · 10 km deep · 42 km away
30. 2.84 km S of San Ramon, CaliforniaMon, Aug 25, 4:47 AM PDT · 14645 days ago · 8 km deep · 24 km away
31. 1.84 km S of San Ramon, CaliforniaMon, Aug 25, 10:22 AM PDT · 14645 days ago · 7 km deep · 24 km away
32. 2.418 km NE of East Foothills, CaliforniaMon, Aug 25, 11:59 AM PDT · 14645 days ago · 6 km deep · 14 km away
33. 1.910 km NE of Morgan Hill, CaliforniaMon, Aug 25, 3:32 PM PDT · 14645 days ago · 9 km deep · 45 km away
34. 1.64 km NW of Dublin, CaliforniaTue, Aug 26, 6:34 AM PDT · 14644 days ago · 6 km deep · 23 km away
35. 2.04 km S of San Ramon, CaliforniaTue, Aug 26, 4:05 PM PDT · 14644 days ago · 7 km deep · 24 km away
36. 1.83 km W of French Camp, CaliforniaWed, Aug 27, 12:04 AM PDT · 14643 days ago · 9 km deep · 59 km away
37. 1.71 km SW of Diablo, CaliforniaWed, Aug 27, 2:08 PM PDT · 14643 days ago · 13 km deep · 32 km away
38. 2.413 km N of Morgan Hill, CaliforniaWed, Aug 27, 11:34 PM PDT · 14642 days ago · 5 km deep · 38 km away
39. 3.21 km NNE of Thornton, CaliforniaThu, Aug 28, 2:49 PM PDT · 14642 days ago · 5 km deep · 84 km away
40. 1.65 km NNE of Tres Pinos, CaliforniaFri, Aug 29, 12:50 AM PDT · 14641 days ago · 5 km deep · 94 km away
41. 1.98 km ENE of Morgan Hill, CaliforniaFri, Aug 29, 3:39 PM PDT · 14641 days ago · 2 km deep · 51 km away
42. 1.813 km NE of East Foothills, CaliforniaFri, Aug 29, 6:43 PM PDT · 14641 days ago · 4 km deep · 13 km away
43. 2.09 km SSW of Ridgemark, CaliforniaSat, Aug 30, 11:11 AM PDT · 14640 days ago · 6 km deep · 98 km away
44. 2.32 km ESE of Aromas, CaliforniaSun, Aug 31, 8:21 AM PDT · 14639 days ago · 5 km deep · 78 km away
45. 2.118 km WSW of Volta, CaliforniaMon, Sep 1, 2:12 AM PDT · 14638 days ago · 2 km deep · 85 km away
46. 1.69 km NE of San Martin, CaliforniaMon, Sep 1, 7:24 PM PDT · 14638 days ago · 6 km deep · 52 km away
47. 1.613 km ENE of East Foothills, CaliforniaTue, Sep 2, 1:22 PM PDT · 14637 days ago · 6 km deep · 20 km away
48. 1.818 km NE of East Foothills, CaliforniaTue, Sep 2, 7:11 PM PDT · 14637 days ago · 6 km deep · 14 km away
49. 2.118 km NE of East Foothills, CaliforniaTue, Sep 2, 7:58 PM PDT · 14637 days ago · 6 km deep · 14 km away
50. 4.016 km E of Seven Trees, CaliforniaTue, Sep 2, 9:31 PM PDT · 14636 days ago · 9 km deep · 35 km away
51. 2.29 km NNW of Hollister, CaliforniaTue, Sep 2, 9:53 PM PDT · 14636 days ago · 7 km deep · 77 km away
52. 2.018 km SSE of Livermore, CaliforniaTue, Sep 2, 10:42 PM PDT · 14636 days ago · 3 km deep · 15 km away
53. 1.93 km WSW of Moss Landing, CaliforniaTue, Sep 2, 10:52 PM PDT · 14636 days ago · 5 km deep · 85 km away
54. 2.04 km NNE of Tres Pinos, CaliforniaWed, Sep 3, 12:30 PM PDT · 14636 days ago · 5 km deep · 94 km away
55. 1.516 km E of Seven Trees, CaliforniaWed, Sep 3, 5:41 PM PDT · 14636 days ago · 8 km deep · 34 km away
56. 1.717 km NE of East Foothills, CaliforniaWed, Sep 3, 11:03 PM PDT · 14635 days ago · 6 km deep · 14 km away
57. 1.79 km ENE of Morgan Hill, CaliforniaThu, Sep 4, 6:54 PM PDT · 14635 days ago · 5 km deep · 51 km away
58. 1.92 km SSW of Hollister, CaliforniaSat, Sep 6, 6:02 PM PDT · 14633 days ago · 8 km deep · 89 km away
59. 1.82 km SSW of Hollister, CaliforniaSun, Sep 7, 3:30 AM PDT · 14632 days ago · 8 km deep · 89 km away
60. 1.713 km SE of Livermore, CaliforniaSun, Sep 7, 5:11 PM PDT · 14632 days ago · 4 km deep · 14 km away

The first 60 of 149.

Before

1. 1.718 km NE of East Foothills, CaliforniaThu, Aug 14, 11:47 AM PDT · 14656 days ago · 6 km deep · 14 km away
2. 1.613 km N of Morgan Hill, CaliforniaThu, Aug 14, 6:54 AM PDT · 14656 days ago · 5 km deep · 39 km away
3. 1.912 km ESE of East Foothills, CaliforniaWed, Aug 13, 9:15 AM PDT · 14657 days ago · 6 km deep · 28 km away
4. 2.312 km ESE of East Foothills, CaliforniaWed, Aug 13, 9:11 AM PDT · 14657 days ago · 7 km deep · 28 km away
5. 1.69 km ESE of East Foothills, CaliforniaTue, Aug 12, 6:08 AM PDT · 14658 days ago · 7 km deep · 25 km away
6. 2.69 km ESE of East Foothills, CaliforniaTue, Aug 12, 6:02 AM PDT · 14658 days ago · 7 km deep · 25 km away
7. 2.49 km ESE of East Foothills, CaliforniaTue, Aug 12, 6:01 AM PDT · 14658 days ago · 7 km deep · 25 km away
8. 1.79 km ESE of East Foothills, CaliforniaTue, Aug 12, 5:58 AM PDT · 14658 days ago · 7 km deep · 25 km away
9. 1.89 km ESE of East Foothills, CaliforniaTue, Aug 12, 5:58 AM PDT · 14658 days ago · 7 km deep · 25 km away
10. 1.614 km SE of Livermore, CaliforniaTue, Aug 12, 12:53 AM PDT · 14658 days ago · 3 km deep · 15 km away
11. 1.518 km NE of East Foothills, CaliforniaMon, Aug 11, 3:15 PM PDT · 14659 days ago · 7 km deep · 14 km away
12. 1.712 km ENE of East Foothills, CaliforniaMon, Aug 11, 11:51 AM PDT · 14659 days ago · 7 km deep · 20 km away
13. 1.5Northern CaliforniaSun, Aug 10, 11:09 PM PDT · 14659 days ago · 6 km deep · 14 km away
14. 1.69 km NNE of Milpitas, CaliforniaSun, Aug 10, 5:11 PM PDT · 14660 days ago · 8 km deep · 7 km away
15. 1.815 km SSE of Livermore, CaliforniaSun, Aug 10, 11:17 AM PDT · 14660 days ago · 4 km deep · 14 km away
16. 2.03 km NE of Tres Pinos, CaliforniaSat, Aug 9, 3:22 PM PDT · 14661 days ago · 8 km deep · 96 km away
17. 2.46 km NE of Ridgemark, CaliforniaSat, Aug 9, 10:19 AM PDT · 14661 days ago · 4 km deep · 90 km away
18. 1.919 km SSE of Livermore, CaliforniaSat, Aug 9, 6:56 AM PDT · 14661 days ago · 7 km deep · 14 km away
19. 1.95 km WSW of Gilroy, CaliforniaFri, Aug 8, 11:13 PM PDT · 14661 days ago · 4 km deep · 66 km away
20. 1.92 km ESE of Alamo, CaliforniaThu, Aug 7, 12:28 PM PDT · 14663 days ago · 8 km deep · 35 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc79186. Read Tue, Sep 29, 2026, 3:25 PM UTC.