California earthquakes

M2.3 earthquake Central California

A magnitude 2.3 earthquake struck in Central California on Mon, Jan 31, 1977, 4:00 PM PST (00:00 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M3.8 27 km ENE of Greenfield, 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1977-02-01 00:00:14 UTC
Depth
0.5 km (0.3 mi), shallow
Epicenter
36.036° N, 120.606° 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 0.3 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.62
Depth from
From location
Station coverage gap
77°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 2.117 km SSE of Tres Pinos, California · 18140 days ago · 5 km deep · 89 km away
  2. 2.017 km WSW of Lockwood, California · 18139 days ago · 10 km deep · 61 km away
  3. 2.425 km ENE of Soledad, California · 18139 days ago · 7 km deep · 71 km away
  4. 1.622 km ENE of San Ardo, California · 18138 days ago · 7 km deep · 11 km away
  5. 2.116 km NW of Parkfield, California · 18137 days ago · 3 km deep · 5 km away
  6. 2.221 km NE of San Ardo, California · 18136 days ago · 4 km deep · 19 km away
  7. 2.421 km NE of Soledad, California · 18136 days ago · 4 km deep · 73 km away
  8. 1.924 km ENE of San Ardo, California · 18136 days ago · 0 km deep · 5 km away
  9. 2.011 km S of Tres Pinos, California · 18135 days ago · 4 km deep · 96 km away
  10. 1.921 km NE of Soledad, California · 18134 days ago · 7 km deep · 79 km away
  11. 1.621 km NE of Soledad, California · 18134 days ago · 7 km deep · 74 km away
  12. 1.631 km SW of South Dos Palos, California · 18134 days ago · 3 km deep · 83 km away
  13. 1.613 km ESE of Tres Pinos, California · 18133 days ago · 5 km deep · 95 km away
  14. 2.221 km NE of Soledad, California · 18133 days ago · 8 km deep · 73 km away
  15. 1.731 km SW of South Dos Palos, California · 18132 days ago · 2 km deep · 83 km away
  16. 3.224 km NE of Greenfield, California · 18132 days ago · 7 km deep · 61 km away
  17. 3.224 km NE of Greenfield, California · 18132 days ago · 5 km deep · 61 km away
  18. 2.118 km W of San Simeon, California · 18132 days ago · 2 km deep · 82 km away
  19. 2.623 km NE of Greenfield, California · 18132 days ago · 5 km deep · 61 km away
  20. 2.524 km NE of Greenfield, California · 18132 days ago · 6 km deep · 61 km away
  21. 3.123 km ENE of San Lucas, California · 18131 days ago · 6 km deep · 29 km away
  22. 2.023 km NE of Greenfield, California · 18131 days ago · 4 km deep · 61 km away
  23. 1.917 km SSE of Tres Pinos, California · 18131 days ago · 2 km deep · 89 km away
  24. 2.516 km SE of Tres Pinos, California · 18131 days ago · 7 km deep · 90 km away
  25. 1.84 km NW of Parkfield, California · 18131 days ago · 4 km deep · 17 km away
  26. 2.922 km ESE of Tres Pinos, California · 18131 days ago · 0 km deep · 88 km away
  27. 1.717 km SSE of Tres Pinos, California · 18130 days ago · 4 km deep · 88 km away
  28. 1.824 km NE of Greenfield, California · 18130 days ago · 2 km deep · 62 km away
  29. 2.323 km NE of Greenfield, California · 18130 days ago · 5 km deep · 61 km away
  30. 2.117 km NW of Parkfield, California · 18130 days ago · 4 km deep · 4 km away
  31. 3.29 km NNW of Avenal, California · 18130 days ago · 8 km deep · 38 km away
  32. 1.721 km ENE of Soledad, California · 18130 days ago · 8 km deep · 71 km away
  33. 1.624 km NE of Greenfield, California · 18130 days ago · 4 km deep · 61 km away
  34. 2.23 km NNE of Garden Farms, California · 18130 days ago · 6 km deep · 66 km away
  35. 3.423 km NE of Greenfield, California · 18130 days ago · 5 km deep · 61 km away
  36. 2.624 km NE of Greenfield, California · 18130 days ago · 4 km deep · 61 km away
  37. 2.923 km NE of Greenfield, California · 18130 days ago · 5 km deep · 61 km away
  38. 1.724 km NE of Greenfield, California · 18130 days ago · 5 km deep · 61 km away
  39. 1.924 km NE of Greenfield, California · 18130 days ago · 5 km deep · 61 km away
  40. 3.018 km SSE of Tres Pinos, California · 18129 days ago · 6 km deep · 88 km away
  41. 1.923 km NE of Greenfield, California · 18129 days ago · 5 km deep · 61 km away
  42. 2.727 km ENE of Soledad, California · 18128 days ago · 5 km deep · 70 km away
  43. 1.518 km SSE of Tres Pinos, California · 18128 days ago · 6 km deep · 88 km away
  44. 3.324 km ENE of San Ardo, California · 18128 days ago · 3 km deep · 6 km away
  45. 1.518 km NW of Parkfield, California · 18128 days ago · 5 km deep · 3 km away
  46. 2.321 km NE of Soledad, California · 18127 days ago · 5 km deep · 76 km away
  47. 2.520 km SSW of Three Rocks, California · 18127 days ago · 5 km deep · 35 km away
  48. 3.124 km ENE of San Ardo, California · 18127 days ago · -1 km deep · 6 km away
  49. 1.724 km NE of Greenfield, California · 18127 days ago · 5 km deep · 61 km away
  50. 1.623 km ENE of San Lucas, California · 18126 days ago · 7 km deep · 28 km away
  51. 2.222 km SSE of Tres Pinos, California · 18126 days ago · 2 km deep · 83 km away
  52. 3.123 km ENE of Soledad, California · 18126 days ago · 7 km deep · 71 km away
  53. 3.122 km NNE of Soledad, California · 18126 days ago · 2 km deep · 83 km away
  54. 2.425 km ESE of Tres Pinos, California · 18126 days ago · 1 km deep · 85 km away
  55. 2.024 km ENE of Greenfield, California · 18125 days ago · 5 km deep · 58 km away
  56. 1.722 km ENE of Soledad, California · 18125 days ago · 4 km deep · 68 km away
  57. 1.725 km ENE of Greenfield, California · 18125 days ago · 7 km deep · 58 km away
  58. 3.524 km NE of King City, California · 18125 days ago · 7 km deep · 50 km away
  59. 3.032 km E of Tres Pinos, California · 18125 days ago · 0 km deep · 85 km away
  60. 3.2Central California · 18125 days ago · 8 km deep · 23 km away

The first 60 of 197.

Before

  1. 1.9Central California · 18141 days ago · 7 km deep · 64 km away
  2. 1.818 km NW of Parkfield, California · 18142 days ago · 4 km deep · 4 km away
  3. 1.623 km ENE of Soledad, California · 18142 days ago · 4 km deep · 68 km away
  4. 1.822 km ENE of Soledad, California · 18142 days ago · 3 km deep · 72 km away
  5. 1.623 km ENE of Soledad, California · 18142 days ago · 5 km deep · 68 km away
  6. 1.918 km NW of Parkfield, California · 18142 days ago · 4 km deep · 4 km away
  7. 2.025 km SW of Three Rocks, California · 18142 days ago · 14 km deep · 34 km away
  8. 2.024 km NE of Greenfield, California · 18143 days ago · 5 km deep · 61 km away
  9. 2.821 km NE of Soledad, California · 18144 days ago · 4 km deep · 80 km away
  10. 3.723 km NW of Parkfield, California · 18144 days ago · 3 km deep · 2 km away
  11. 2.22 km SE of San Ardo, California · 18145 days ago · 10 km deep · 25 km away
  12. 2.024 km NE of Greenfield, California · 18145 days ago · 4 km deep · 58 km away
  13. 3.137 km WNW of Three Rocks, California · 18146 days ago · 1 km deep · 67 km away
  14. 2.16 km NW of Parkfield, California · 18146 days ago · 5 km deep · 15 km away
  15. 1.825 km NE of Greenfield, California · 18147 days ago · 7 km deep · 61 km away
  16. 1.722 km NNE of Soledad, California · 18147 days ago · 4 km deep · 83 km away
  17. 2.324 km NE of Greenfield, California · 18147 days ago · 6 km deep · 63 km away
  18. 3.121 km NE of Soledad, California · 18148 days ago · 6 km deep · 72 km away
  19. 2.623 km NE of Greenfield, California · 18148 days ago · 5 km deep · 61 km away
  20. 3.712 km SSE of Parkfield, California · 18148 days ago · 7 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1033663. Read Fri, Oct 2, 2026, 6:46 PM UTC.