California earthquakes

M1.5 earthquake Central California

A magnitude 1.5 earthquake struck in Central California on Wed, Nov 1, 1978, 5:21 AM PST (13:21 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 22 km NE of San Ardo, California. This one was a foreshock.

Greenfield forecastMore in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1978-11-01 13:21:24 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
36.468° N, 121.047° 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 0.4 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
137°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 59 in the 30 days before it.

After

  1. 1.516 km NW of Parkfield, California · 17499 days ago · 5 km deep · 68 km away
  2. 1.623 km ENE of San Lucas, California · 17498 days ago · 6 km deep · 34 km away
  3. 2.223 km ENE of Soledad, California · 17498 days ago · 5 km deep · 4 km away
  4. 2.912 km WSW of Three Rocks, California · 17497 days ago · 14 km deep · 47 km away
  5. 1.67 km W of Paso Robles, California · 17497 days ago · 5 km deep · 96 km away
  6. 2.221 km NE of Soledad, California · 17496 days ago · 6 km deep · 18 km away
  7. 2.518 km SSE of Tres Pinos, California · 17495 days ago · 6 km deep · 26 km away
  8. 1.812 km S of Tres Pinos, California · 17494 days ago · 3 km deep · 33 km away
  9. 1.617 km SSE of Tres Pinos, California · 17493 days ago · 3 km deep · 27 km away
  10. 2.94 km SSW of San Juan Bautista, California · 17493 days ago · 5 km deep · 59 km away
  11. 2.93 km W of San Juan Bautista, California · 17493 days ago · 6 km deep · 63 km away
  12. 2.93 km W of San Juan Bautista, California · 17493 days ago · 7 km deep · 63 km away
  13. 2.45 km S of Gilroy, California · 17493 days ago · 7 km deep · 72 km away
  14. 2.123 km NE of San Lucas, California · 17493 days ago · 8 km deep · 32 km away
  15. 1.75 km NNW of San Juan Bautista, California · 17491 days ago · 7 km deep · 66 km away
  16. 2.125 km ENE of Soledad, California · 17490 days ago · 8 km deep · 9 km away
  17. 2.024 km NE of Soledad, California · 17490 days ago · 9 km deep · 10 km away
  18. 2.921 km NE of Soledad, California · 17489 days ago · 2 km deep · 17 km away
  19. 2.228 km NE of Greenfield, California · 17489 days ago · 7 km deep · 5 km away
  20. 2.423 km SSW of Volta, California · 17489 days ago · 4 km deep · 50 km away
  21. 2.14 km SSE of San Juan Bautista, California · 17489 days ago · 4 km deep · 57 km away
  22. 1.724 km SE of Tres Pinos, California · 17489 days ago · 5 km deep · 19 km away
  23. 2.821 km NE of Soledad, California · 17488 days ago · 7 km deep · 13 km away
  24. 2.921 km NE of Soledad, California · 17488 days ago · 6 km deep · 14 km away
  25. 2.522 km WSW of Three Rocks, California · 17488 days ago · 16 km deep · 37 km away
  26. 2.522 km NE of San Lucas, California · 17487 days ago · 6 km deep · 31 km away
  27. 1.69 km S of Tres Pinos, California · 17487 days ago · 4 km deep · 37 km away
  28. 3.121 km NE of Soledad, California · 17487 days ago · 3 km deep · 15 km away
  29. 1.728 km SW of South Dos Palos, California · 17486 days ago · 10 km deep · 38 km away
  30. 2.128 km NE of Greenfield, California · 17486 days ago · 6 km deep · 5 km away
  31. 2.021 km NE of Soledad, California · 17486 days ago · 2 km deep · 15 km away
  32. 2.04 km NE of Ridgemark, California · 17485 days ago · 8 km deep · 49 km away
  33. 2.39 km S of Tres Pinos, California · 17485 days ago · 4 km deep · 37 km away
  34. 1.621 km NE of Soledad, California · 17484 days ago · 7 km deep · 17 km away
  35. 1.723 km NE of San Ardo, California · 17480 days ago · 7 km deep · 41 km away
  36. 3.024 km ENE of Greenfield, California · 17480 days ago · 7 km deep · 8 km away
  37. 1.822 km NNE of Soledad, California · 17480 days ago · 6 km deep · 20 km away
  38. 2.119 km SSE of Tres Pinos, California · 17479 days ago · 5 km deep · 25 km away
  39. 2.18 km SSW of Tres Pinos, California · 17478 days ago · 2 km deep · 40 km away
  40. 2.024 km NE of Greenfield, California · 17477 days ago · 6 km deep · 1 km away
  41. 1.98 km ESE of Gilroy, California · 17476 days ago · 5 km deep · 69 km away
  42. 1.99 km ESE of Gilroy, California · 17476 days ago · 5 km deep · 69 km away
  43. 2.211 km W of Oak Shores, California · 17475 days ago · 10 km deep · 76 km away
  44. 1.6Central California · 17475 days ago · 3 km deep · 39 km away
  45. 1.823 km NE of Soledad, California · 17474 days ago · 8 km deep · 12 km away
  46. 1.69 km SSW of Tres Pinos, California · 17474 days ago · 1 km deep · 38 km away
  47. 1.617 km NW of Parkfield, California · 17473 days ago · 5 km deep · 66 km away
  48. 1.621 km NE of Soledad, California · 17472 days ago · 8 km deep · 11 km away
  49. 3.023 km ENE of San Lucas, California · 17471 days ago · 9 km deep · 34 km away
  50. 1.622 km ENE of Soledad, California · 17471 days ago · 4 km deep · 6 km away
  51. 2.42 km SW of San Juan Bautista, California · 17471 days ago · 6 km deep · 61 km away
  52. 2.113 km SSE of Tres Pinos, California · 17470 days ago · 3 km deep · 31 km away
  53. 1.713 km SSE of Tres Pinos, California · 17469 days ago · 4 km deep · 31 km away
  54. 2.123 km ENE of Soledad, California · 17469 days ago · 4 km deep · 4 km away
  55. 1.930 km WNW of Three Rocks, California · 17468 days ago · 3 km deep · 34 km away
  56. 2.111 km WSW of Carmel Valley Village, California · 17466 days ago · 0 km deep · 74 km away
  57. 2.59 km S of Tres Pinos, California · 17466 days ago · 4 km deep · 37 km away
  58. 2.421 km NE of Soledad, California · 17466 days ago · 8 km deep · 13 km away
  59. 1.622 km ENE of Soledad, California · 17466 days ago · 2 km deep · 9 km away
  60. 1.620 km NW of Parkfield, California · 17466 days ago · 3 km deep · 64 km away

The first 60 of 107.

Before

  1. 2.019 km SSE of Tres Pinos, California · 17499 days ago · 6 km deep · 25 km away
  2. 1.924 km ENE of Greenfield, California · 17499 days ago · 5 km deep · 5 km away
  3. 2.523 km NE of Greenfield, California · 17500 days ago · 7 km deep · 0 km away
  4. 3.210 km S of Tres Pinos, California · 17501 days ago · 5 km deep · 36 km away
  5. 1.623 km NE of Greenfield, California · 17502 days ago · 8 km deep · 1 km away
  6. 1.523 km NE of Greenfield, California · 17502 days ago · 8 km deep · 1 km away
  7. 2.523 km NE of Greenfield, California · 17502 days ago · 8 km deep · 1 km away
  8. 1.73 km WNW of San Juan Bautista, California · 17502 days ago · 4 km deep · 63 km away
  9. 1.89 km S of Tres Pinos, California · 17502 days ago · 4 km deep · 36 km away
  10. 1.920 km SSE of Tres Pinos, California · 17503 days ago · 4 km deep · 23 km away
  11. 1.66 km S of Tres Pinos, California · 17503 days ago · 7 km deep · 39 km away
  12. 1.813 km SE of Tres Pinos, California · 17503 days ago · 14 km deep · 31 km away
  13. 1.97 km SE of San Juan Bautista, California · 17504 days ago · 4 km deep · 53 km away
  14. 2.914km N of Coalinga, CA · 17504 days ago · 6 km deep · 64 km away
  15. 1.521 km NW of Parkfield, California · 17504 days ago · 0 km deep · 62 km away
  16. 2.424 km ENE of Greenfield, California · 17504 days ago · 10 km deep · 8 km away
  17. 1.616 km E of Tres Pinos, California · 17505 days ago · 0 km deep · 34 km away
  18. 1.721 km NE of Soledad, California · 17507 days ago · 2 km deep · 18 km away
  19. 2.19 km NW of Parkfield, California · 17509 days ago · 5 km deep · 74 km away
  20. 1.59 km S of Tres Pinos, California · 17509 days ago · 4 km deep · 37 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1043133. Read Tue, Sep 29, 2026, 5:01 PM UTC.