M2.0 earthquake 10 km ESE of Sunol, California

Magnitude

2.0 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, Mar 12, 1978, 2:02 PM PST

UTC

1978-03-12 22:02:37 UTC

Depth

7.4 km (4.6 mi), shallow

Epicenter

37.553° N, 121.781° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

75°

Stations used

33

• Sunol, CaliforniaPopulation 913. Forecast11 kmESE
• Livermore, CaliforniaPopulation 88,126. Forecast14 kmS
• Fremont, CaliforniaPopulation 232,206. Forecast18 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast503 kmNW

After

1. 1.83 km ESE of Lexington Hills, CaliforniaSun, Mar 12, 2:05 PM PST · 17735 days ago · 11 km deep · 46 km away
2. 2.115 km E of Seven Trees, CaliforniaMon, Mar 13, 8:41 AM PST · 17734 days ago · 6 km deep · 31 km away
3. 2.321 km NW of Diablo Grande, CaliforniaTue, Mar 14, 11:17 AM PST · 17733 days ago · 4 km deep · 28 km away
4. 1.63 km WSW of Dublin, CaliforniaTue, Mar 14, 11:32 AM PST · 17733 days ago · 6 km deep · 22 km away
5. 2.53 km S of Diablo, CaliforniaTue, Mar 14, 3:39 PM PST · 17732 days ago · 8 km deep · 32 km away
6. 2.16 km NE of Ridgemark, CaliforniaThu, Mar 16, 11:54 AM PST · 17731 days ago · 6 km deep · 88 km away
7. 2.69 km SE of Sunol, CaliforniaFri, Mar 17, 11:44 AM PST · 17730 days ago · 2 km deep · 5 km away
8. 1.83 km SW of Loyola, CaliforniaSun, Mar 19, 1:03 AM PST · 17728 days ago · 5 km deep · 39 km away
9. 1.81 km N of Pittsburg, CaliforniaSun, Mar 19, 8:22 AM PST · 17728 days ago · 17 km deep · 55 km away
10. 1.92 km NW of Diablo Grande, CaliforniaThu, Mar 23, 6:20 AM PST · 17724 days ago · 0 km deep · 45 km away
11. 2.85 km SW of Gilroy, CaliforniaFri, Mar 24, 11:42 AM PST · 17723 days ago · 4 km deep · 66 km away
12. 1.816 km E of Seven Trees, CaliforniaMon, Mar 27, 4:59 AM PST · 17720 days ago · 6 km deep · 31 km away
13. 1.618 km E of East Foothills, CaliforniaMon, Mar 27, 9:25 AM PST · 17720 days ago · 5 km deep · 27 km away
14. 2.54 km SE of Aromas, CaliforniaMon, Mar 27, 10:30 AM PST · 17720 days ago · 8 km deep · 79 km away
15. 1.68 km SE of Sunol, CaliforniaMon, Mar 27, 11:28 PM PST · 17719 days ago · 3 km deep · 4 km away
16. 2.16 km NNE of Ridgemark, CaliforniaMon, Mar 27, 11:33 PM PST · 17719 days ago · 6 km deep · 87 km away
17. 3.04 km SE of Aromas, CaliforniaTue, Mar 28, 1:51 AM PST · 17719 days ago · 8 km deep · 78 km away
18. 1.65 km WNW of San Juan Bautista, CaliforniaTue, Mar 28, 1:55 AM PST · 17719 days ago · 7 km deep · 79 km away
19. 2.84 km SE of Aromas, CaliforniaTue, Mar 28, 2:02 AM PST · 17719 days ago · 8 km deep · 79 km away
20. 2.75 km WNW of San Juan Bautista, CaliforniaTue, Mar 28, 9:22 AM PST · 17719 days ago · 8 km deep · 79 km away
21. 2.01 km WNW of Cambrian Park, CaliforniaWed, Mar 29, 1:40 AM PST · 17718 days ago · 8 km deep · 36 km away
22. 2.01 km WNW of Cambrian Park, CaliforniaWed, Mar 29, 8:27 AM PST · 17718 days ago · 8 km deep · 36 km away
23. 2.54 km ESE of Piedmont, CaliforniaWed, Mar 29, 3:48 PM PST · 17717 days ago · 9 km deep · 45 km away
24. 1.62 km S of Fairview, CaliforniaWed, Mar 29, 4:05 PM PST · 17717 days ago · 6 km deep · 26 km away
25. 2.12 km ENE of Berkeley, CaliforniaWed, Mar 29, 9:48 PM PST · 17717 days ago · 9 km deep · 55 km away
26. 1.92 km ENE of Berkeley, CaliforniaWed, Mar 29, 11:41 PM PST · 17717 days ago · 9 km deep · 55 km away
27. 1.56 km E of Hollister, CaliforniaThu, Mar 30, 10:05 PM PST · 17716 days ago · 5 km deep · 86 km away
28. 1.57 km NE of Blackhawk, CaliforniaFri, Mar 31, 9:51 AM PST · 17716 days ago · 12 km deep · 36 km away
29. 1.610 km NNE of San Juan Bautista, CaliforniaSun, Apr 2, 1:06 PM PST · 17714 days ago · 0 km deep · 74 km away
30. 1.85 km ESE of Knightsen, CaliforniaSun, Apr 2, 2:12 PM PST · 17714 days ago · 0 km deep · 48 km away
31. 1.8Northern CaliforniaMon, Apr 3, 5:35 AM PST · 17713 days ago · 5 km deep · 33 km away
32. 2.71 km NNW of Alamo, CaliforniaMon, Apr 3, 7:23 PM PST · 17712 days ago · 9 km deep · 42 km away
33. 2.31 km NNW of Alamo, CaliforniaMon, Apr 3, 9:20 PM PST · 17712 days ago · 8 km deep · 41 km away
34. 2.01 km NNW of Alamo, CaliforniaMon, Apr 3, 9:32 PM PST · 17712 days ago · 10 km deep · 42 km away
35. 1.69 km ENE of Gilroy, CaliforniaThu, Apr 6, 11:13 PM PST · 17709 days ago · 8 km deep · 63 km away
36. 2.79 km SSE of San Juan Bautista, CaliforniaFri, Apr 7, 3:56 AM PST · 17709 days ago · 6 km deep · 91 km away
37. 2.86 km ESE of Sunol, CaliforniaFri, Apr 7, 4:13 PM PST · 17708 days ago · 11 km deep · 4 km away
38. 2.210 km SE of San Juan Bautista, CaliforniaFri, Apr 7, 10:27 PM PST · 17708 days ago · 6 km deep · 91 km away
39. 2.119 km W of Volta, CaliforniaSat, Apr 8, 8:02 AM PST · 17708 days ago · 0 km deep · 75 km away
40. 2.29 km NW of Hollister, CaliforniaSat, Apr 8, 8:25 AM PST · 17708 days ago · 6 km deep · 75 km away
41. 2.015 km E of Seven Trees, CaliforniaSun, Apr 9, 10:07 PM PST · 17706 days ago · 3 km deep · 31 km away
42. 1.51 km SSW of Fairview, CaliforniaMon, Apr 10, 5:44 AM PST · 17706 days ago · 5 km deep · 27 km away
43. 1.65 km E of Fremont, CaliforniaMon, Apr 10, 7:41 AM PST · 17706 days ago · 7 km deep · 13 km away
44. 2.35 km NNE of Tres Pinos, CaliforniaWed, Apr 12, 6:06 PM PST · 17703 days ago · 4 km deep · 90 km away
45. 1.717 km E of East Foothills, CaliforniaThu, Apr 13, 2:08 PM PST · 17703 days ago · 6 km deep · 26 km away
46. 3.19 km SSE of San Juan Bautista, CaliforniaFri, Apr 14, 7:00 AM PST · 17702 days ago · 8 km deep · 91 km away
47. 2.42 km NW of Concord, CaliforniaSun, Apr 16, 7:35 PM PST · 17699 days ago · 16 km deep · 54 km away
48. 1.910 km SE of San Juan Bautista, CaliforniaMon, Apr 17, 6:11 AM PST · 17699 days ago · 6 km deep · 91 km away
49. 2.34 km S of San Juan Bautista, CaliforniaMon, Apr 17, 6:33 AM PST · 17699 days ago · 7 km deep · 86 km away
50. 2.05 km ENE of Hollister, CaliforniaWed, Apr 19, 2:44 PM PST · 17696 days ago · 6 km deep · 86 km away
51. 1.813 km N of Morgan Hill, CaliforniaWed, Apr 19, 8:59 PM PST · 17696 days ago · 7 km deep · 36 km away
52. 1.98 km NW of Hollister, CaliforniaFri, Apr 21, 7:12 PM PST · 17694 days ago · 7 km deep · 77 km away
53. 2.17 km N of Pittsburg, CaliforniaSun, Apr 23, 10:34 PM PST · 17692 days ago · 14 km deep · 60 km away
54. 2.34 km ESE of North Gate, CaliforniaFri, Apr 28, 4:42 AM PST · 17688 days ago · 12 km deep · 39 km away
55. 1.63 km SSW of Alamo, CaliforniaSat, Apr 29, 4:19 PM PST · 17686 days ago · 13 km deep · 38 km away
56. 2.911 km NNE of Morgan Hill, CaliforniaWed, May 3, 6:18 PM PDT · 17682 days ago · 4 km deep · 38 km away
57. 1.81 km NNE of Tres Pinos, CaliforniaThu, May 4, 12:26 AM PDT · 17682 days ago · 8 km deep · 93 km away
58. 2.619 km SSW of Volta, CaliforniaFri, May 5, 5:07 AM PDT · 17681 days ago · 4 km deep · 97 km away
59. 2.21 km WNW of Alameda, CaliforniaFri, May 5, 7:37 AM PDT · 17681 days ago · 8 km deep · 50 km away
60. 2.55 km ESE of East Foothills, CaliforniaSun, May 7, 11:55 PM PDT · 17678 days ago · 0 km deep · 21 km away

The first 60 of 94.

Before

1. 2.43 km ESE of Lexington Hills, CaliforniaSun, Mar 12, 12:00 PM PST · 17735 days ago · 12 km deep · 47 km away
2. 2.21 km SE of Highlands-Baywood Park, CaliforniaSat, Mar 11, 11:09 PM PST · 17735 days ago · 5 km deep · 49 km away
3. 2.57 km NE of Interlaken, CaliforniaSat, Mar 11, 3:13 AM PST · 17736 days ago · 11 km deep · 63 km away
4. 1.64 km SW of Ridgemark, CaliforniaFri, Mar 10, 7:52 PM PST · 17736 days ago · 7 km deep · 91 km away
5. 2.37 km SE of Alum Rock, CaliforniaFri, Mar 10, 4:11 AM PST · 17737 days ago · 3 km deep · 25 km away
6. 2.0Northern CaliforniaWed, Mar 8, 2:31 PM PST · 17738 days ago · 6 km deep · 19 km away
7. 1.93 km NNE of Dublin, CaliforniaWed, Mar 8, 4:00 AM PST · 17739 days ago · 8 km deep · 24 km away
8. 1.74 km NNE of Dublin, CaliforniaWed, Mar 8, 3:55 AM PST · 17739 days ago · 8 km deep · 24 km away
9. 1.63 km NNE of Dublin, CaliforniaMon, Mar 6, 7:27 AM PST · 17741 days ago · 8 km deep · 24 km away
10. 1.88 km SSE of San Juan Bautista, CaliforniaMon, Mar 6, 7:24 AM PST · 17741 days ago · 7 km deep · 90 km away
11. 1.83 km NNE of Dublin, CaliforniaMon, Mar 6, 6:57 AM PST · 17741 days ago · 8 km deep · 24 km away
12. 2.16 km S of Sunol, CaliforniaSun, Mar 5, 6:36 AM PST · 17742 days ago · 8 km deep · 11 km away
13. 1.59 km ENE of Milpitas, CAFri, Mar 3, 12:15 AM PST · 17744 days ago · 7 km deep · 10 km away
14. 2.17 km NE of San Martin, CaliforniaWed, Mar 1, 5:33 PM PST · 17745 days ago · 1 km deep · 50 km away
15. 1.71 km N of North Gate, CaliforniaWed, Mar 1, 3:52 AM PST · 17746 days ago · 10 km deep · 45 km away
16. 2.31 km NNE of Diablo, CaliforniaTue, Feb 28, 10:14 PM PST · 17746 days ago · 8 km deep · 36 km away
17. 2.42 km WSW of San Juan Bautista, CaliforniaTue, Feb 28, 5:37 PM PST · 17746 days ago · 7 km deep · 82 km away
18. 1.7Central CaliforniaMon, Feb 27, 9:28 AM PST · 17748 days ago · 5 km deep · 76 km away
19. 1.61 km ENE of Hollister, CaliforniaSun, Feb 26, 1:17 AM PST · 17749 days ago · 8 km deep · 85 km away
20. 2.51 km NE of Hollister, CaliforniaSun, Feb 26, 12:08 AM PST · 17749 days ago · 8 km deep · 84 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1039255. Read Thu, Oct 1, 2026, 9:51 AM UTC.