California earthquakes

M1.5 earthquake 6 km SSE of Sunol, California

A magnitude 1.5 earthquake struck 6 km SSE of Sunol, California on Thu, Nov 2, 1978, 11:48 AM PST (19:48 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.3 4 km ENE of East Foothills, California. This one was a foreshock.

Sunol forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1978-11-02 19:48:58 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
37.542° N, 121.868° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.2 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
52°
Stations used
23

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 61 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.711 km ESE of East Foothills, California · 17497 days ago · 7 km deep · 27 km away
  2. 1.78 km ESE of Alum Rock, California · 17496 days ago · 3 km deep · 25 km away
  3. 1.810 km S of Muir Beach, California · 17495 days ago · 9 km deep · 67 km away
  4. 1.89 km N of Boulder Creek, California · 17493 days ago · 11 km deep · 42 km away
  5. 2.09 km ESE of East Foothills, California · 17493 days ago · 8 km deep · 26 km away
  6. 1.613 km SSE of Livermore, California · 17493 days ago · 2 km deep · 17 km away
  7. 1.62 km SSE of Concord, California · 17493 days ago · 10 km deep · 48 km away
  8. 2.94 km SSW of San Juan Bautista, California · 17493 days ago · 5 km deep · 86 km away
  9. 2.93 km W of San Juan Bautista, California · 17493 days ago · 6 km deep · 82 km away
  10. 2.93 km W of San Juan Bautista, California · 17493 days ago · 7 km deep · 82 km away
  11. 2.45 km S of Gilroy, California · 17492 days ago · 7 km deep · 70 km away
  12. 2.21 km NNE of Montara, California · 17492 days ago · 7 km deep · 56 km away
  13. 2.16 km NNE of Chinatown, California · 17492 days ago · 1 km deep · 56 km away
  14. 1.75 km NNW of San Juan Bautista, California · 17491 days ago · 7 km deep · 77 km away
  15. 2.423 km SSW of Volta, California · 17489 days ago · 4 km deep · 100 km away
  16. 2.14 km SSE of San Juan Bautista, California · 17489 days ago · 4 km deep · 87 km away
  17. 2.017 km ENE of East Foothills, California · 17488 days ago · 5 km deep · 25 km away
  18. 1.616 km E of East Foothills, California · 17488 days ago · 4 km deep · 28 km away
  19. 2.08 km ESE of East Foothills, California · 17485 days ago · 8 km deep · 24 km away
  20. 1.89 km ESE of East Foothills, California · 17485 days ago · 8 km deep · 25 km away
  21. 2.04 km NE of Ridgemark, California · 17485 days ago · 8 km deep · 91 km away
  22. 1.916 km ENE of East Foothills, California · 17484 days ago · 6 km deep · 25 km away
  23. 2.113 km SW of Santa Cruz, California · 17481 days ago · 6 km deep · 76 km away
  24. 1.710 km WSW of Santa Cruz, California · 17481 days ago · 12 km deep · 72 km away
  25. 1.810 km ESE of East Foothills, California · 17479 days ago · 8 km deep · 26 km away
  26. 1.510 km ESE of East Foothills, California · 17479 days ago · 8 km deep · 26 km away
  27. 1.74 km E of Livermore, California · 17477 days ago · 9 km deep · 21 km away
  28. 1.98 km ESE of Gilroy, California · 17476 days ago · 5 km deep · 71 km away
  29. 1.99 km ESE of Gilroy, California · 17475 days ago · 5 km deep · 71 km away
  30. 2.114 km SE of Livermore, California · 17473 days ago · 1 km deep · 17 km away
  31. 2.42 km SW of San Juan Bautista, California · 17471 days ago · 6 km deep · 84 km away
  32. 1.711 km SE of Sunol, California · 17470 days ago · 3 km deep · 8 km away
  33. 2.48 km SE of Sunol, California · 17466 days ago · 10 km deep · 5 km away
  34. 1.67 km ENE of Gilroy, California · 17463 days ago · 5 km deep · 67 km away
  35. 2.89 km ENE of Patterson, California · 17462 days ago · 14 km deep · 75 km away
  36. 2.419 km WSW of Diablo Grande, California · 17462 days ago · 7 km deep · 43 km away
  37. 1.77 km ENE of Interlaken, California · 17462 days ago · 2 km deep · 66 km away
  38. 1.87 km NNW of Hollister, California · 17461 days ago · 2 km deep · 79 km away
  39. 1.69 km NNW of Hollister, California · 17461 days ago · 7 km deep · 77 km away
  40. 2.39 km NNW of Hollister, California · 17460 days ago · 6 km deep · 77 km away
  41. 1.53 km NNW of Hollister, California · 17459 days ago · 6 km deep · 83 km away
  42. 2.110 km SE of Sonoma, California · 17459 days ago · 7 km deep · 88 km away
  43. 2.13 km E of Berkeley, California · 17456 days ago · 11 km deep · 49 km away
  44. 1.93 km E of Moraga, California · 17455 days ago · 2 km deep · 38 km away
  45. 1.711 km ESE of East Foothills, California · 17453 days ago · 7 km deep · 27 km away
  46. 3.34 km ENE of East Foothills, California · 17452 days ago · 2 km deep · 18 km away
  47. 2.14 km N of East Foothills, California · 17451 days ago · 2 km deep · 15 km away
  48. 1.66 km NW of Morgan Hill, California · 17448 days ago · 6 km deep · 44 km away
  49. 1.66 km NE of Interlaken, California · 17446 days ago · 11 km deep · 64 km away
  50. 1.71 km NE of Tres Pinos, California · 17446 days ago · 8 km deep · 96 km away
  51. 1.611 km SE of Sunol, California · 17446 days ago · 3 km deep · 7 km away
  52. 1.68 km N of Interlaken, California · 17445 days ago · 11 km deep · 59 km away
  53. 2.08 km N of Interlaken, California · 17445 days ago · 11 km deep · 59 km away
  54. 2.714 km S of Tracy, California · 17444 days ago · 2 km deep · 42 km away
  55. 1.626 km ENE of East Foothills, California · 17444 days ago · 5 km deep · 28 km away
  56. 2.36 km E of East Foothills, California · 17444 days ago · 6 km deep · 21 km away
  57. 2.82 km SSW of Hollister, California · 17442 days ago · 9 km deep · 88 km away
  58. 2.114 km E of Seven Trees, California · 17441 days ago · 3 km deep · 33 km away
  59. 1.95 km ESE of Black Point-Green Point, California · 17441 days ago · 5 km deep · 81 km away
  60. 1.85 km NNE of Morgan Hill, California · 17439 days ago · 7 km deep · 45 km away

The first 60 of 61.

Before

  1. 2.03 km N of East Foothills, California · 17498 days ago · 1 km deep · 15 km away
  2. 1.64 km SSW of Alamo, California · 17501 days ago · 12 km deep · 34 km away
  3. 1.73 km WNW of San Juan Bautista, California · 17502 days ago · 4 km deep · 81 km away
  4. 1.97 km SE of San Juan Bautista, California · 17504 days ago · 4 km deep · 90 km away
  5. 3.114 km N of Morgan Hill, California · 17504 days ago · 5 km deep · 37 km away
  6. 2.517 km S of Davenport, California · 17506 days ago · 4 km deep · 80 km away
  7. 2.616 km S of Davenport, California · 17506 days ago · 5 km deep · 80 km away
  8. 1.96 km ENE of East Foothills, California · 17509 days ago · 8 km deep · 19 km away
  9. 1.87 km S of Sunol, California · 17510 days ago · 8 km deep · 2 km away
  10. 2.00 km WSW of Lexington Hills, California · 17510 days ago · 10 km deep · 43 km away
  11. 1.75 km NE of East Foothills, California · 17510 days ago · 6 km deep · 16 km away
  12. 2.42 km NE of Pacheco, California · 17513 days ago · 15 km deep · 53 km away
  13. 2.93 km E of Morgan Hill, California · 17516 days ago · 2 km deep · 51 km away
  14. 1.68 km NNW of Hollister, California · 17516 days ago · 5 km deep · 79 km away
  15. 3.29 km NNW of Hollister, California · 17517 days ago · 8 km deep · 77 km away
  16. 1.912 km E of Seven Trees, California · 17520 days ago · 1 km deep · 32 km away
  17. 1.67 km NE of East Foothills, California · 17520 days ago · 11 km deep · 15 km away
  18. 1.77 km WSW of Gilroy, California · 17521 days ago · 4 km deep · 64 km away
  19. 1.86 km N of Benicia, California · 17526 days ago · 1 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1043155. Read Tue, Sep 29, 2026, 11:29 AM UTC.