M2.5 earthquake 6 km ESE of Sunol, California

Magnitude

2.5 (md), micro

Local time

Sat, Jun 17, 1978, 6:09 PM PDT

UTC

1978-06-18 01:09:59 UTC

Depth

10.9 km (6.8 mi), shallow

Epicenter

37.584° N, 121.822° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

78°

Stations used

35

• Sunol, CaliforniaPopulation 913. Forecast6 kmE
• Pleasanton, CaliforniaPopulation 79,510. Forecast10 kmSSE
• Fremont, CaliforniaPopulation 232,206. Forecast15 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast508 kmNW

After

1. 1.70 km SW of Fairview, CaliforniaTue, Jun 20, 11:52 AM PDT · 17633 days ago · 8 km deep · 23 km away
2. 3.011 km ESE of Gilroy, CaliforniaWed, Jun 21, 11:04 PM PDT · 17632 days ago · 5 km deep · 77 km away
3. 2.011 km ESE of Gilroy, CaliforniaThu, Jun 22, 3:46 AM PDT · 17632 days ago · 5 km deep · 76 km away
4. 1.811 km ESE of Gilroy, CaliforniaThu, Jun 22, 6:13 AM PDT · 17632 days ago · 5 km deep · 77 km away
5. 1.73 km S of Diablo, CaliforniaThu, Jun 22, 8:07 AM PDT · 17631 days ago · 9 km deep · 28 km away
6. 2.210 km SW of Ridgemark, CaliforniaThu, Jun 22, 6:06 PM PDT · 17631 days ago · 7 km deep · 97 km away
7. 1.611 km ESE of Livermore, CaliforniaThu, Jun 22, 10:09 PM PDT · 17631 days ago · 8 km deep · 15 km away
8. 1.62 km WSW of San Juan Bautista, CaliforniaSat, Jun 24, 3:23 AM PDT · 17630 days ago · 3 km deep · 86 km away
9. 1.6Central CaliforniaSat, Jun 24, 8:15 AM PDT · 17629 days ago · 7 km deep · 97 km away
10. 1.611 km SW of Ridgemark, CaliforniaSat, Jun 24, 8:36 AM PDT · 17629 days ago · 7 km deep · 98 km away
11. 2.911 km ESE of Gilroy, CaliforniaSat, Jun 24, 2:39 PM PDT · 17629 days ago · 5 km deep · 77 km away
12. 1.912 km S of Pescadero, CaliforniaSun, Jun 25, 4:26 PM PDT · 17628 days ago · 14 km deep · 71 km away
13. 3.111 km ESE of Gilroy, CaliforniaTue, Jun 27, 3:12 AM PDT · 17627 days ago · 5 km deep · 77 km away
14. 2.511 km ESE of Gilroy, CaliforniaTue, Jun 27, 3:18 AM PDT · 17627 days ago · 5 km deep · 77 km away
15. 1.74 km SSW of Gilroy, CaliforniaTue, Jun 27, 1:05 PM PDT · 17626 days ago · 4 km deep · 72 km away
16. 1.62 km SSE of Portola Valley, CaliforniaTue, Jun 27, 5:51 PM PDT · 17626 days ago · 9 km deep · 43 km away
17. 1.514 km E of Seven Trees, CaliforniaWed, Jun 28, 2:36 AM PDT · 17626 days ago · 2 km deep · 35 km away
18. 2.312 km ESE of Gilroy, CaliforniaWed, Jun 28, 7:13 AM PDT · 17625 days ago · 4 km deep · 77 km away
19. 1.68 km NW of Hollister, CaliforniaThu, Jun 29, 6:27 AM PDT · 17625 days ago · 6 km deep · 81 km away
20. 2.52 km NNW of Aromas, CaliforniaFri, Jun 30, 9:21 PM PDT · 17623 days ago · 10 km deep · 76 km away
21. 2.512 km SSE of Davenport, CaliforniaSun, Jul 2, 3:29 AM PDT · 17622 days ago · 8 km deep · 82 km away
22. 4.212 km S of Davenport, CaliforniaSun, Jul 2, 4:57 AM PDT · 17622 days ago · 11 km deep · 82 km away
23. 1.78 km NE of San Juan Bautista, CaliforniaSun, Jul 2, 5:39 AM PDT · 17622 days ago · 6 km deep · 81 km away
24. 1.89 km SSE of Davenport, CaliforniaSun, Jul 2, 7:15 PM PDT · 17621 days ago · 10 km deep · 77 km away
25. 1.66 km ENE of Aromas, CaliforniaMon, Jul 3, 3:22 PM PDT · 17620 days ago · 7 km deep · 77 km away
26. 1.712 km ESE of East Foothills, CaliforniaTue, Jul 4, 3:00 AM PDT · 17620 days ago · 4 km deep · 31 km away
27. 3.07 km SSE of San Juan Bautista, CaliforniaThu, Jul 6, 5:39 PM PDT · 17617 days ago · 8 km deep · 93 km away
28. 3.08 km NW of Hollister, CaliforniaFri, Jul 7, 1:05 PM PDT · 17616 days ago · 7 km deep · 81 km away
29. 1.58 km SW of Ridgemark, CaliforniaFri, Jul 7, 2:25 PM PDT · 17616 days ago · 7 km deep · 100 km away
30. 2.44 km ESE of Aromas, CaliforniaSat, Jul 8, 8:33 AM PDT · 17615 days ago · 6 km deep · 82 km away
31. 2.51 km SE of San Ramon, CaliforniaSun, Jul 9, 10:05 AM PDT · 17614 days ago · 7 km deep · 25 km away
32. 1.817 km E of East Foothills, CaliforniaMon, Jul 10, 6:55 AM PDT · 17613 days ago · 6 km deep · 31 km away
33. 1.714 km E of Seven Trees, CaliforniaMon, Jul 10, 8:46 AM PDT · 17613 days ago · 2 km deep · 35 km away
34. 2.43 km N of East Foothills, CaliforniaTue, Jul 11, 9:29 AM PDT · 17612 days ago · 0 km deep · 19 km away
35. 2.94 km N of East Foothills, CaliforniaTue, Jul 11, 9:32 AM PDT · 17612 days ago · 1 km deep · 18 km away
36. 1.74 km N of East Foothills, CaliforniaTue, Jul 11, 9:44 AM PDT · 17612 days ago · 1 km deep · 18 km away
37. 2.011 km SE of Livermore, CaliforniaTue, Jul 11, 2:10 PM PDT · 17612 days ago · 3 km deep · 13 km away
38. 1.511 km NE of East Foothills, CaliforniaWed, Jul 12, 12:01 PM PDT · 17611 days ago · 1 km deep · 18 km away
39. 2.43 km SSW of San Juan Bautista, CAFri, Jul 14, 12:24 AM PDT · 17610 days ago · 7 km deep · 88 km away
40. 2.02 km W of Cambrian Park, CaliforniaMon, Jul 17, 2:09 AM PDT · 17607 days ago · 7 km deep · 38 km away
41. 2.65 km WSW of Gilroy, CaliforniaMon, Jul 17, 6:47 AM PDT · 17606 days ago · 6 km deep · 69 km away
42. 1.92 km SSW of Cambrian Park, CaliforniaMon, Jul 17, 4:43 PM PDT · 17606 days ago · 5 km deep · 40 km away
43. 3.28 km NE of Interlaken, CaliforniaTue, Jul 18, 12:09 PM PDT · 17605 days ago · 5 km deep · 66 km away
44. 1.711 km ESE of Seven Trees, CaliforniaWed, Jul 19, 8:17 AM PDT · 17604 days ago · 4 km deep · 37 km away
45. 2.23 km ENE of San Leandro, CaliforniaThu, Jul 20, 3:34 AM PDT · 17604 days ago · 8 km deep · 31 km away
46. 2.413 km N of Morgan Hill, CaliforniaThu, Jul 20, 9:40 AM PDT · 17603 days ago · 5 km deep · 40 km away
47. 2.22 km SW of West Menlo Park, CaliforniaSun, Jul 23, 2:11 AM PDT · 17601 days ago · 6 km deep · 40 km away
48. 1.75 km ESE of San Ramon, CaliforniaSun, Jul 23, 9:06 AM PDT · 17600 days ago · 7 km deep · 21 km away
49. 2.08 km ENE of San Martin, CaliforniaWed, Jul 26, 11:12 AM PDT · 17597 days ago · 7 km deep · 58 km away
50. 1.92 km W of Tres Pinos, CaliforniaWed, Jul 26, 10:44 PM PDT · 17597 days ago · 2 km deep · 98 km away
51. 2.63 km NNE of Castro Valley, CaliforniaThu, Jul 27, 12:25 AM PDT · 17597 days ago · 10 km deep · 27 km away
52. 3.03 km NNE of Castro Valley, CaliforniaThu, Jul 27, 12:29 AM PDT · 17597 days ago · 11 km deep · 27 km away
53. 2.13 km NNE of Castro Valley, CaliforniaThu, Jul 27, 12:33 AM PDT · 17597 days ago · 10 km deep · 27 km away
54. 2.09 km NNW of Hollister, CaliforniaThu, Jul 27, 10:44 AM PDT · 17596 days ago · 5 km deep · 80 km away
55. 2.11 km NNE of Diablo, CaliforniaFri, Jul 28, 10:38 PM PDT · 17595 days ago · 7 km deep · 31 km away
56. 3.03 km E of San Leandro, CaliforniaMon, Jul 31, 2:15 AM PDT · 17593 days ago · 10 km deep · 31 km away
57. 2.13 km E of San Leandro, CaliforniaMon, Jul 31, 2:21 AM PDT · 17593 days ago · 9 km deep · 31 km away
58. 2.02 km E of San Leandro, CaliforniaMon, Jul 31, 3:44 AM PDT · 17593 days ago · 10 km deep · 31 km away
59. 1.72 km SW of Ridgemark, CaliforniaTue, Aug 1, 1:01 AM PDT · 17592 days ago · 7 km deep · 96 km away
60. 2.03 km E of San Leandro, CaliforniaWed, Aug 2, 11:53 AM PDT · 17590 days ago · 9 km deep · 31 km away

The first 60 of 71.

Before

1. 2.613 km NE of East Foothills, CaliforniaSat, Jun 17, 1:45 AM PDT · 17637 days ago · 8 km deep · 14 km away
2. 1.813 km NE of East Foothills, CaliforniaFri, Jun 16, 11:32 PM PDT · 17637 days ago · 8 km deep · 14 km away
3. 2.22 km ENE of Berkeley, CaliforniaFri, Jun 16, 12:10 PM PDT · 17637 days ago · 10 km deep · 50 km away
4. 1.89 km ESE of Gilroy, CaliforniaThu, Jun 15, 5:48 AM PDT · 17639 days ago · 3 km deep · 75 km away
5. 1.52 km S of Hollister, CaliforniaThu, Jun 15, 5:20 AM PDT · 17639 days ago · 8 km deep · 91 km away
6. 1.96 km WSW of Gilroy, CaliforniaTue, Jun 13, 10:37 AM PDT · 17640 days ago · 4 km deep · 69 km away
7. 1.96 km NNW of Day Valley, CaliforniaFri, Jun 9, 11:49 PM PDT · 17644 days ago · 11 km deep · 55 km away
8. 3.05 km E of East Foothills, CaliforniaFri, Jun 9, 3:18 PM PDT · 17644 days ago · 0 km deep · 24 km away
9. 2.310 km SW of Suisun, CaliforniaWed, Jun 7, 7:47 PM PDT · 17646 days ago · 6 km deep · 69 km away
10. 1.74 km ESE of Aromas, CaliforniaWed, Jun 7, 3:00 PM PDT · 17646 days ago · 6 km deep · 82 km away
11. 1.85 km WSW of Gilroy, CaliforniaTue, Jun 6, 5:18 AM PDT · 17648 days ago · 7 km deep · 69 km away
12. 2.35 km E of Blackhawk, CaliforniaSun, Jun 4, 5:14 PM PDT · 17649 days ago · 5 km deep · 26 km away
13. 1.78 km SE of San Juan Bautista, CaliforniaSun, Jun 4, 3:16 AM PDT · 17650 days ago · 4 km deep · 94 km away
14. 1.6Northern CaliforniaSun, May 28, 11:09 PM PDT · 17656 days ago · 1 km deep · 34 km away
15. 2.26 km ESE of Sunol, CaliforniaSun, May 28, 5:58 PM PDT · 17656 days ago · 11 km deep · 0 km away
16. 1.64 km E of East Foothills, CaliforniaThu, May 25, 3:56 PM PDT · 17659 days ago · 0 km deep · 23 km away
17. 1.51 km WNW of Hollister, CaliforniaThu, May 25, 1:19 PM PDT · 17659 days ago · 4 km deep · 88 km away
18. 2.06 km E of East Foothills, CaliforniaThu, May 25, 2:40 AM PDT · 17660 days ago · 0 km deep · 25 km away
19. 2.09 km NE of San Juan Bautista, CaliforniaWed, May 24, 8:27 PM PDT · 17660 days ago · 4 km deep · 81 km away
20. 1.58 km E of Gilroy, CaliforniaTue, May 23, 8:52 PM PDT · 17661 days ago · 4 km deep · 71 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1040704. Read Wed, Sep 30, 2026, 1:16 AM UTC.