California earthquakes

M2.2 earthquake Central California

A magnitude 2.2 earthquake struck in Central California on Sun, Sep 17, 1978, 12:19 PM PDT (19:19 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.8 18 km SSE of Tres Pinos, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.2 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1978-09-17 19:19:05 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
36.698° N, 121.332° 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, 0.5 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
34°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 156 in the 60 days after this one and 92 in the 30 days before it.

After

  1. 2.410 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 1 km away
  2. 2.710 km S of Tres Pinos, California · 17548 days ago · 5 km deep · 0 km away
  3. 2.210 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 1 km away
  4. 1.8Central California · 17548 days ago · 4 km deep · 1 km away
  5. 2.3Central California · 17548 days ago · 4 km deep · 1 km away
  6. 2.710 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 1 km away
  7. 2.9Central California · 17548 days ago · 5 km deep · 1 km away
  8. 2.010 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 0 km away
  9. 3.0Central California · 17548 days ago · 4 km deep · 0 km away
  10. 2.011 km S of Tres Pinos, California · 17547 days ago · 4 km deep · 2 km away
  11. 2.39 km NE of San Martin, California · 17546 days ago · 7 km deep · 54 km away
  12. 2.125 km WSW of Coalinga, California · 17546 days ago · 2 km deep · 94 km away
  13. 1.610 km SSW of Tres Pinos, California · 17546 days ago · 12 km deep · 3 km away
  14. 1.817 km SSE of Tres Pinos, California · 17546 days ago · 8 km deep · 11 km away
  15. 2.19 km S of Tres Pinos, California · 17545 days ago · 4 km deep · 1 km away
  16. 2.38 km SSE of Tres Pinos, California · 17545 days ago · 5 km deep · 3 km away
  17. 3.28 km NE of Interlaken, California · 17545 days ago · 4 km deep · 45 km away
  18. 1.69 km SSE of Tres Pinos, California · 17545 days ago · 5 km deep · 3 km away
  19. 1.88 km NE of Interlaken, California · 17545 days ago · 4 km deep · 45 km away
  20. 2.023 km NW of Parkfield, California · 17545 days ago · 3 km deep · 96 km away
  21. 1.89 km NW of Hollister, California · 17544 days ago · 4 km deep · 27 km away
  22. 2.89 km NNW of Hollister, California · 17543 days ago · 6 km deep · 28 km away
  23. 1.522 km ENE of Soledad, California · 17543 days ago · 5 km deep · 31 km away
  24. 2.29 km NNW of Hollister, California · 17542 days ago · 6 km deep · 28 km away
  25. 1.78 km NNW of Hollister, California · 17542 days ago · 4 km deep · 27 km away
  26. 2.99 km S of Tres Pinos, California · 17542 days ago · 4 km deep · 0 km away
  27. 1.59 km S of Tres Pinos, California · 17542 days ago · 4 km deep · 1 km away
  28. 1.623 km NNE of San Lucas, California · 17542 days ago · 6 km deep · 58 km away
  29. 2.510 km S of Tres Pinos, California · 17542 days ago · 4 km deep · 0 km away
  30. 2.021 km NE of Soledad, California · 17542 days ago · 3 km deep · 21 km away
  31. 1.99 km S of Tres Pinos, California · 17540 days ago · 4 km deep · 1 km away
  32. 1.99 km S of Tres Pinos, California · 17540 days ago · 4 km deep · 0 km away
  33. 1.99 km NNW of Hollister, California · 17540 days ago · 5 km deep · 28 km away
  34. 1.63 km W of Hollister, California · 17540 days ago · 4 km deep · 20 km away
  35. 1.9Central California · 17540 days ago · 4 km deep · 1 km away
  36. 1.59 km NNW of Hollister, California · 17540 days ago · 5 km deep · 28 km away
  37. 1.510 km S of Tres Pinos, California · 17540 days ago · 4 km deep · 1 km away
  38. 1.522 km ENE of San Lucas, California · 17540 days ago · 5 km deep · 72 km away
  39. 2.93 km ENE of East Foothills, California · 17539 days ago · 1 km deep · 87 km away
  40. 1.54 km N of Aromas, California · 17538 days ago · 4 km deep · 38 km away
  41. 1.64 km NE of Day Valley, California · 17536 days ago · 12 km deep · 59 km away
  42. 2.016 km E of Seven Trees, California · 17536 days ago · 7 km deep · 72 km away
  43. 1.78 km SSW of Tres Pinos, California · 17535 days ago · 2 km deep · 3 km away
  44. 1.56 km WSW of Gilroy, California · 17535 days ago · 4 km deep · 42 km away
  45. 2.48 km ESE of East Foothills, California · 17535 days ago · 1 km deep · 81 km away
  46. 1.521 km NE of Soledad, California · 17535 days ago · 7 km deep · 20 km away
  47. 2.88 km E of Gilroy, California · 17534 days ago · 4 km deep · 36 km away
  48. 1.76 km WSW of Gilroy, California · 17534 days ago · 7 km deep · 43 km away
  49. 1.814 km SSE of Tres Pinos, California · 17533 days ago · 4 km deep · 6 km away
  50. 2.422 km ENE of Soledad, California · 17532 days ago · 3 km deep · 26 km away
  51. 1.622 km ENE of Soledad, California · 17532 days ago · 2 km deep · 26 km away
  52. 2.522 km NE of Soledad, California · 17532 days ago · 3 km deep · 26 km away
  53. 2.122 km NE of Soledad, California · 17531 days ago · 2 km deep · 26 km away
  54. 3.113 km SSE of Tres Pinos, California · 17531 days ago · 5 km deep · 5 km away
  55. 1.711 km S of Tres Pinos, California · 17530 days ago · 4 km deep · 2 km away
  56. 1.913 km S of Tres Pinos, California · 17529 days ago · 4 km deep · 5 km away
  57. 1.88 km SSW of Tres Pinos, California · 17528 days ago · 2 km deep · 4 km away
  58. 1.729 km SW of South Dos Palos, California · 17528 days ago · 5 km deep · 43 km away
  59. 3.021 km NE of Soledad, California · 17527 days ago · 3 km deep · 21 km away
  60. 1.821 km NE of Soledad, California · 17527 days ago · 3 km deep · 21 km away

The first 60 of 156.

Before

  1. 3.810 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 0 km away
  2. 1.69 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 0 km away
  3. 2.5Central California · 17548 days ago · 1 km deep · 38 km away
  4. 2.810 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 0 km away
  5. 3.910 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 0 km away
  6. 2.910 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 1 km away
  7. 1.610 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 0 km away
  8. 2.410 km S of Tres Pinos, California · 17548 days ago · 5 km deep · 0 km away
  9. 3.010 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 0 km away
  10. 3.39 km S of Tres Pinos, California · 17548 days ago · 4 km deep · 0 km away
  11. 1.89 km S of Tres Pinos, California · 17549 days ago · 4 km deep · 1 km away
  12. 1.75 km SSE of San Juan Bautista, California · 17549 days ago · 5 km deep · 19 km away
  13. 2.36 km NE of Ridgemark, California · 17550 days ago · 6 km deep · 16 km away
  14. 2.25 km SE of Alum Rock, California · 17550 days ago · 3 km deep · 81 km away
  15. 2.36 km E of East Foothills, California · 17550 days ago · 7 km deep · 84 km away
  16. 1.89 km S of Tres Pinos, California · 17550 days ago · 4 km deep · 0 km away
  17. 1.79 km S of Tres Pinos, California · 17550 days ago · 4 km deep · 0 km away
  18. 2.19 km S of Tres Pinos, California · 17551 days ago · 3 km deep · 1 km away
  19. 1.99 km S of Tres Pinos, California · 17551 days ago · 4 km deep · 1 km away
  20. 3.210 km S of Tres Pinos, California · 17551 days ago · 4 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1042363. Read Sun, Oct 4, 2026, 12:22 AM UTC.