California earthquakes

M1.5 earthquake 16 km NW of Parkfield, California

A magnitude 1.5 earthquake struck 16 km NW of Parkfield, California on Thu, Mar 24, 1977, 2:22 AM PST (10:22 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.5 15 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1977-03-24 10:22:44 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
36.002° N, 120.561° 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 0.5 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.39
Depth from
From location
Station coverage gap
83°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 127 in the 60 days after this one and 85 in the 30 days before it.

After

  1. 1.832 km E of Tres Pinos, California · 18089 days ago · 2 km deep · 90 km away
  2. 1.627 km ENE of Soledad, California · 18088 days ago · 5 km deep · 75 km away
  3. 2.123 km NNE of San Lucas, California · 18088 days ago · 4 km deep · 45 km away
  4. 2.423 km ENE of Soledad, California · 18087 days ago · 3 km deep · 73 km away
  5. 2.821 km NNE of Soledad, California · 18087 days ago · 8 km deep · 87 km away
  6. 1.624 km ENE of Soledad, California · 18086 days ago · 3 km deep · 74 km away
  7. 2.113 km S of Tres Pinos, California · 18086 days ago · 4 km deep · 99 km away
  8. 2.822 km NE of San Lucas, California · 18086 days ago · 9 km deep · 36 km away
  9. 1.613 km S of Tres Pinos, California · 18086 days ago · 4 km deep · 99 km away
  10. 1.913 km S of Tres Pinos, California · 18086 days ago · 4 km deep · 99 km away
  11. 3.125 km WNW of Three Rocks, California · 18086 days ago · 3 km deep · 62 km away
  12. 1.913 km S of Tres Pinos, California · 18086 days ago · 4 km deep · 99 km away
  13. 1.822 km NNE of Soledad, California · 18085 days ago · 2 km deep · 88 km away
  14. 1.727 km ENE of Soledad, California · 18085 days ago · 5 km deep · 75 km away
  15. 3.37 km W of Three Rocks, California · 18085 days ago · 6 km deep · 57 km away
  16. 2.326 km ENE of Greenfield, California · 18084 days ago · 9 km deep · 61 km away
  17. 2.323 km NE of King City, California · 18084 days ago · 3 km deep · 54 km away
  18. 1.623 km ESE of Tres Pinos, California · 18084 days ago · 1 km deep · 90 km away
  19. 1.524 km ENE of Greenfield, California · 18084 days ago · 1 km deep · 64 km away
  20. 2.123 km ESE of Tres Pinos, California · 18083 days ago · 0 km deep · 93 km away
  21. 2.524 km NE of Greenfield, California · 18083 days ago · 2 km deep · 70 km away
  22. 1.516 km NW of Parkfield, California · 18083 days ago · 1 km deep · 1 km away
  23. 2.223 km SE of Tres Pinos, California · 18083 days ago · 8 km deep · 87 km away
  24. 2.025 km ENE of Soledad, California · 18083 days ago · 9 km deep · 76 km away
  25. 2.225 km ENE of Soledad, California · 18083 days ago · 9 km deep · 75 km away
  26. 1.819 km SSE of Tres Pinos, California · 18082 days ago · 10 km deep · 93 km away
  27. 1.924 km ENE of Greenfield, California · 18082 days ago · 4 km deep · 60 km away
  28. 2.018 km WNW of Coalinga, California · 18082 days ago · 5 km deep · 21 km away
  29. 1.623 km NE of Greenfield, California · 18082 days ago · 5 km deep · 67 km away
  30. 1.910 km SE of Parkfield, California · 18081 days ago · 6 km deep · 27 km away
  31. 2.614 km NNW of San Simeon, California · 18081 days ago · 7 km deep · 70 km away
  32. 1.914 km SE of Parkfield, California · 18081 days ago · 8 km deep · 30 km away
  33. 1.823 km NW of Parkfield, California · 18080 days ago · 6 km deep · 7 km away
  34. 2.523 km NW of Parkfield, California · 18080 days ago · 6 km deep · 7 km away
  35. 2.622 km ENE of San Ardo, California · 18080 days ago · 3 km deep · 15 km away
  36. 3.117 km NW of San Simeon, California · 18080 days ago · 9 km deep · 73 km away
  37. 2.3Central California · 18080 days ago · 5 km deep · 76 km away
  38. 3.123 km ENE of Soledad, California · 18079 days ago · 3 km deep · 73 km away
  39. 1.621 km ESE of Tres Pinos, California · 18079 days ago · 0 km deep · 93 km away
  40. 1.719 km ESE of Tres Pinos, California · 18079 days ago · 0 km deep · 95 km away
  41. 1.717 km SSE of Tres Pinos, California · 18079 days ago · 5 km deep · 95 km away
  42. 2.024 km ENE of Soledad, California · 18079 days ago · 6 km deep · 70 km away
  43. 1.722 km NE of Soledad, California · 18079 days ago · 9 km deep · 82 km away
  44. 2.824 km NE of Greenfield, California · 18079 days ago · 4 km deep · 68 km away
  45. 2.225 km NE of Soledad, California · 18079 days ago · 7 km deep · 81 km away
  46. 1.825 km NE of Soledad, California · 18079 days ago · 7 km deep · 81 km away
  47. 1.623 km NE of Greenfield, California · 18078 days ago · 8 km deep · 66 km away
  48. 1.811 km NW of Parkfield, California · 18078 days ago · 7 km deep · 4 km away
  49. 2.524 km ENE of Greenfield, California · 18078 days ago · 6 km deep · 60 km away
  50. 2.324 km ENE of Greenfield, California · 18078 days ago · 6 km deep · 60 km away
  51. 2.530 km ENE of Soledad, California · 18078 days ago · 7 km deep · 77 km away
  52. 2.04 km NNW of Avenal, California · 18077 days ago · 9 km deep · 38 km away
  53. 1.728 km ENE of Soledad, California · 18076 days ago · 6 km deep · 77 km away
  54. 2.121 km NE of Soledad, California · 18076 days ago · 6 km deep · 78 km away
  55. 1.621 km NE of Soledad, California · 18075 days ago · 3 km deep · 82 km away
  56. 2.523 km NE of San Ardo, California · 18074 days ago · 8 km deep · 28 km away
  57. 2.734 km WNW of San Simeon, California · 18073 days ago · 8 km deep · 88 km away
  58. 1.923 km NE of Greenfield, California · 18073 days ago · 5 km deep · 68 km away
  59. 2.113 km SSE of Tres Pinos, California · 18070 days ago · 4 km deep · 99 km away
  60. 1.513 km SSE of Tres Pinos, California · 18070 days ago · 5 km deep · 99 km away

The first 60 of 127.

Before

  1. 3.1Central California · 18089 days ago · 5 km deep · 44 km away
  2. 2.327 km SE of Tres Pinos, California · 18090 days ago · 6 km deep · 84 km away
  3. 1.623 km NE of Greenfield, California · 18090 days ago · 5 km deep · 68 km away
  4. 1.923 km NE of Greenfield, California · 18090 days ago · 5 km deep · 68 km away
  5. 1.624 km NE of Greenfield, California · 18090 days ago · 5 km deep · 68 km away
  6. 2.424 km NE of Greenfield, California · 18090 days ago · 5 km deep · 68 km away
  7. 2.327 km ENE of Soledad, California · 18091 days ago · 5 km deep · 75 km away
  8. 2.525 km ENE of Greenfield, California · 18091 days ago · 5 km deep · 60 km away
  9. 2.224 km NE of Soledad, California · 18092 days ago · 9 km deep · 82 km away
  10. 2.018 km NW of Parkfield, California · 18092 days ago · 4 km deep · 2 km away
  11. 1.725 km ENE of Greenfield, California · 18093 days ago · 7 km deep · 59 km away
  12. 2.021 km SSE of Tres Pinos, California · 18093 days ago · 2 km deep · 90 km away
  13. 1.724 km NNE of King City, California · 18095 days ago · 6 km deep · 58 km away
  14. 2.121 km SSE of Tres Pinos, California · 18095 days ago · 2 km deep · 90 km away
  15. 2.023 km NE of Greenfield, California · 18096 days ago · 6 km deep · 66 km away
  16. 1.724 km NE of Greenfield, California · 18096 days ago · 1 km deep · 67 km away
  17. 2.221 km NE of San Lucas, California · 18096 days ago · 8 km deep · 36 km away
  18. 2.214 km NNW of Coalinga, California · 18097 days ago · 11 km deep · 33 km away
  19. 1.915 km SSE of Tres Pinos, California · 18098 days ago · 3 km deep · 97 km away
  20. 1.916 km SSE of Tres Pinos, California · 18098 days ago · 4 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1034521. Read Fri, Oct 2, 2026, 11:54 AM UTC.