M1.6 earthquake 6 km E of Sunol, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Jul 15, 1975, 7:18 PM PDT

UTC

1975-07-16 02:18:44 UTC

Depth

8.1 km (5.0 mi), shallow

Epicenter

37.587° N, 121.812° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

93°

Stations used

17

• Sunol, CaliforniaPopulation 913. Forecast7 kmE
• Pleasanton, CaliforniaPopulation 79,510. Forecast10 kmSE
• Fremont, CaliforniaPopulation 232,206. Forecast16 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast508 kmNW

After

1. 1.99 km SW of Ridgemark, CaliforniaWed, Jul 16, 9:35 AM PDT · 18707 days ago · 8 km deep · 98 km away
2. 4.18 km NW of Hollister, CaliforniaWed, Jul 16, 2:35 PM PDT · 18707 days ago · 8 km deep · 81 km away
3. 2.49 km ESE of East Foothills, CaliforniaWed, Jul 16, 5:16 PM PDT · 18707 days ago · 2 km deep · 28 km away
4. 2.09 km NW of Hollister, CaliforniaThu, Jul 17, 12:59 AM PDT · 18706 days ago · 4 km deep · 81 km away
5. 2.79 km WSW of Ridgemark, CaliforniaThu, Jul 17, 4:06 AM PDT · 18706 days ago · 6 km deep · 96 km away
6. 2.813 km ESE of Alum Rock, CaliforniaFri, Jul 18, 1:22 AM PDT · 18705 days ago · 8 km deep · 32 km away
7. 2.79 km NW of Hollister, CaliforniaSat, Jul 19, 12:20 AM PDT · 18704 days ago · 7 km deep · 80 km away
8. 2.87 km WSW of Gilroy, CaliforniaSat, Jul 19, 5:00 PM PDT · 18704 days ago · 4 km deep · 70 km away
9. 2.62 km E of Berkeley, CaliforniaSun, Jul 20, 11:30 AM PDT · 18703 days ago · 7 km deep · 49 km away
10. 2.49 km NW of Hollister, CaliforniaSun, Jul 20, 12:10 PM PDT · 18703 days ago · 6 km deep · 81 km away
11. 2.314 km E of Seven Trees, CaliforniaTue, Jul 22, 12:01 AM PDT · 18701 days ago · 1 km deep · 35 km away
12. 2.42 km W of San Juan Bautista, CaliforniaTue, Jul 22, 11:30 AM PDT · 18701 days ago · 6 km deep · 86 km away
13. 1.85 km NE of Ridgemark, CaliforniaWed, Jul 23, 1:01 PM PDT · 18700 days ago · 6 km deep · 94 km away
14. 3.35 km SSW of Gilroy, CaliforniaWed, Jul 23, 1:59 PM PDT · 18700 days ago · 5 km deep · 73 km away
15. 2.725 km NE of Hollister, CaliforniaWed, Jul 23, 3:35 PM PDT · 18700 days ago · 2 km deep · 82 km away
16. 2.19 km NE of San Juan Bautista, CaliforniaWed, Jul 23, 11:44 PM PDT · 18699 days ago · 2 km deep · 80 km away
17. 1.79 km NNE of Milpitas, CaliforniaThu, Jul 24, 1:02 AM PDT · 18699 days ago · 10 km deep · 10 km away
18. 3.0Central CaliforniaThu, Jul 24, 5:05 AM PDT · 18699 days ago · 4 km deep · 73 km away
19. 2.33 km ESE of Pittsburg, CaliforniaThu, Jul 24, 4:00 PM PDT · 18699 days ago · 16 km deep · 48 km away
20. 2.34 km WSW of Gilroy, CaliforniaThu, Jul 24, 6:34 PM PDT · 18699 days ago · 7 km deep · 69 km away
21. 1.58 km S of Livermore, CaliforniaFri, Jul 25, 4:21 AM PDT · 18698 days ago · 7 km deep · 6 km away
22. 1.82 km WSW of Portola Valley, CaliforniaFri, Jul 25, 2:09 PM PDT · 18698 days ago · 8 km deep · 46 km away
23. 2.09 km ENE of Tres Pinos, CaliforniaFri, Jul 25, 9:04 PM PDT · 18697 days ago · 7 km deep · 100 km away
24. 2.5Northern CaliforniaFri, Jul 25, 11:50 PM PDT · 18697 days ago · 12 km deep · 78 km away
25. 2.60 km ESE of North Gate, CaliforniaSat, Jul 26, 8:36 PM PDT · 18696 days ago · 11 km deep · 38 km away
26. 2.810 km NNW of Hollister, CaliforniaMon, Jul 28, 12:48 AM PDT · 18695 days ago · 2 km deep · 79 km away
27. 2.51 km E of Ridgemark, CaliforniaMon, Jul 28, 7:00 PM PDT · 18694 days ago · 7 km deep · 95 km away
28. 2.26 km NNE of Interlaken, CaliforniaTue, Jul 29, 6:27 AM PDT · 18694 days ago · 11 km deep · 65 km away
29. 3.95 km SSE of San Juan Bautista, CaliforniaTue, Jul 29, 9:15 PM PDT · 18693 days ago · 5 km deep · 92 km away
30. 2.97 km ENE of Gilroy, CaliforniaThu, Jul 31, 6:37 AM PDT · 18692 days ago · 7 km deep · 67 km away
31. 3.53 km WSW of San Juan Bautista, CaliforniaFri, Aug 1, 5:23 AM PDT · 18691 days ago · 7 km deep · 86 km away
32. 1.83 km SSE of North Gate, CaliforniaFri, Aug 1, 7:42 PM PDT · 18690 days ago · 7 km deep · 35 km away
33. 2.28 km NW of Hollister, CaliforniaSat, Aug 2, 4:54 PM PDT · 18690 days ago · 6 km deep · 81 km away
34. 1.98 km ENE of San Martin, CaliforniaSun, Aug 3, 6:49 PM PDT · 18689 days ago · 6 km deep · 59 km away
35. 2.42 km SW of Ridgemark, CaliforniaSun, Aug 3, 8:09 PM PDT · 18688 days ago · 8 km deep · 96 km away
36. 2.70 km NNW of Hollister, CaliforniaMon, Aug 4, 7:35 AM PDT · 18688 days ago · 6 km deep · 89 km away
37. 1.82 km SW of Ridgemark, CaliforniaMon, Aug 4, 1:01 PM PDT · 18688 days ago · 8 km deep · 96 km away
38. 2.78 km NW of Hollister, CaliforniaTue, Aug 5, 2:19 PM PDT · 18687 days ago · 6 km deep · 81 km away
39. 1.68 km NW of Hollister, CaliforniaWed, Aug 6, 5:31 AM PDT · 18686 days ago · 7 km deep · 81 km away
40. 2.18 km NE of Gilroy, CaliforniaWed, Aug 6, 9:55 AM PDT · 18686 days ago · 4 km deep · 65 km away
41. 4.08 km NE of Gilroy, CaliforniaWed, Aug 6, 3:23 PM PDT · 18686 days ago · 4 km deep · 65 km away
42. 1.69 km NE of Gilroy, CaliforniaWed, Aug 6, 3:46 PM PDT · 18686 days ago · 4 km deep · 65 km away
43. 1.89 km NE of Gilroy, CaliforniaWed, Aug 6, 7:16 PM PDT · 18685 days ago · 5 km deep · 66 km away
44. 1.98 km N of Day Valley, CaliforniaThu, Aug 7, 6:51 AM PDT · 18685 days ago · 11 km deep · 53 km away
45. 1.88 km ESE of Brisbane, CaliforniaFri, Aug 8, 3:22 AM PDT · 18684 days ago · 8 km deep · 44 km away
46. 1.67 km ENE of East Foothills, CaliforniaFri, Aug 8, 1:50 PM PDT · 18684 days ago · 1 km deep · 21 km away
47. 2.89 km NW of Hollister, CaliforniaFri, Aug 8, 5:59 PM PDT · 18684 days ago · 4 km deep · 80 km away
48. 3.19 km NNW of Hollister, CaliforniaFri, Aug 8, 6:18 PM PDT · 18684 days ago · 5 km deep · 80 km away
49. 2.46 km NW of Hollister, CaliforniaSat, Aug 9, 5:40 AM PDT · 18683 days ago · 7 km deep · 83 km away
50. 1.66 km NNE of East Foothills, CaliforniaSat, Aug 9, 11:18 AM PDT · 18683 days ago · 6 km deep · 17 km away
51. 3.48 km NW of Hollister, CaliforniaSun, Aug 10, 10:16 AM PDT · 18682 days ago · 8 km deep · 81 km away
52. 2.46 km ENE of East Foothills, CaliforniaMon, Aug 11, 4:14 PM PDT · 18681 days ago · 5 km deep · 22 km away
53. 1.77 km ESE of Lexington Hills, CaliforniaTue, Aug 12, 1:42 AM PDT · 18680 days ago · 12 km deep · 51 km away
54. 3.0Central CaliforniaTue, Aug 12, 2:39 PM PDT · 18680 days ago · 4 km deep · 70 km away
55. 2.72 km S of Fairview, CaliforniaWed, Aug 13, 1:32 AM PDT · 18679 days ago · 7 km deep · 22 km away
56. 2.76 km NW of Hollister, CaliforniaWed, Aug 13, 10:07 AM PDT · 18679 days ago · 8 km deep · 83 km away
57. 2.18 km NW of Hollister, CaliforniaWed, Aug 13, 2:59 PM PDT · 18679 days ago · 7 km deep · 81 km away
58. 2.39 km NW of Hollister, CaliforniaThu, Aug 14, 9:28 AM PDT · 18678 days ago · 6 km deep · 80 km away
59. 2.23 km SSE of Pleasanton, CaliforniaThu, Aug 14, 12:09 PM PDT · 18678 days ago · 8 km deep · 6 km away
60. 2.514 km E of Seven Trees, CaliforniaFri, Aug 15, 1:22 AM PDT · 18677 days ago · 2 km deep · 36 km away

The first 60 of 139.

Before

1. 2.214 km E of Seven Trees, CaliforniaTue, Jul 15, 4:01 PM PDT · 18708 days ago · 1 km deep · 35 km away
2. 2.65 km SW of Gilroy, CaliforniaSun, Jul 13, 2:00 PM PDT · 18710 days ago · 7 km deep · 71 km away
3. 1.82 km NNE of Los Gatos, CaliforniaSun, Jul 13, 6:41 AM PDT · 18710 days ago · 9 km deep · 40 km away
4. 1.94 km NNE of Pittsburg, CaliforniaSun, Jul 13, 6:22 AM PDT · 18710 days ago · 9 km deep · 53 km away
5. 1.89 km NNW of Hollister, CaliforniaSun, Jul 13, 5:11 AM PDT · 18710 days ago · 6 km deep · 80 km away
6. 2.25 km NE of Ridgemark, CaliforniaSun, Jul 13, 5:08 AM PDT · 18710 days ago · 6 km deep · 94 km away
7. 2.211 km SE of Gilroy, CaliforniaSat, Jul 12, 11:12 AM PDT · 18711 days ago · 5 km deep · 78 km away
8. 2.39 km NNW of Hollister, CaliforniaSat, Jul 12, 8:27 AM PDT · 18711 days ago · 6 km deep · 80 km away
9. 1.714 km E of Seven Trees, CaliforniaThu, Jul 10, 1:11 PM PDT · 18713 days ago · 1 km deep · 35 km away
10. 2.57 km NE of San Juan Bautista, CaliforniaWed, Jul 9, 9:04 PM PDT · 18713 days ago · 4 km deep · 82 km away
11. 2.35 km WSW of Gilroy, CaliforniaWed, Jul 9, 5:19 PM PDT · 18714 days ago · 8 km deep · 69 km away
12. 2.17 km NNE of San Martin, CaliforniaWed, Jul 9, 5:44 AM PDT · 18714 days ago · 6 km deep · 54 km away
13. 2.84 km N of East Foothills, CaliforniaTue, Jul 8, 9:48 PM PDT · 18714 days ago · 2 km deep · 19 km away
14. 2.28 km ENE of San Martin, CaliforniaTue, Jul 8, 6:35 PM PDT · 18715 days ago · 7 km deep · 60 km away
15. 2.49 km NW of Hollister, CaliforniaMon, Jul 7, 1:44 AM PDT · 18716 days ago · 7 km deep · 80 km away
16. 2.51 km ENE of Diablo Grande, CaliforniaSun, Jul 6, 7:38 AM PDT · 18717 days ago · 5 km deep · 53 km away
17. 1.92 km E of Alamo, CaliforniaSat, Jul 5, 6:14 PM PDT · 18718 days ago · 9 km deep · 34 km away
18. 2.12 km E of Alamo, CaliforniaSat, Jul 5, 4:45 PM PDT · 18718 days ago · 8 km deep · 34 km away
19. 2.54 km E of Union City, CaliforniaSat, Jul 5, 4:59 AM PDT · 18718 days ago · 8 km deep · 14 km away
20. 2.87 km NNE of San Juan Bautista, CaliforniaFri, Jul 4, 3:03 AM PDT · 18719 days ago · 6 km deep · 81 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1024803. Read Sat, Oct 3, 2026, 1:28 PM UTC.