California earthquakes

M1.5 earthquake Central California

A magnitude 1.5 earthquake struck in Central California on Tue, Dec 22, 1987, 8:06 AM PST (16:06 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M5.1 1 km NE of Tres Pinos, California. This one was a foreshock.

South Dos Palos 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
1987-12-22 16:06:20 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
36.710° N, 120.765° 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 2.2 km horizontally, 3.2 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
286°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 161 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 2.429 km SSW of South Dos Palos, California · 14161 days ago · -1 km deep · 1 km away
  2. 1.625 km ENE of Greenfield, California · 14161 days ago · 6 km deep · 37 km away
  3. 2.229 km SSW of South Dos Palos, California · 14160 days ago · -1 km deep · 2 km away
  4. 1.712 km N of Coalinga, California · 14160 days ago · 8 km deep · 61 km away
  5. 1.55 km S of Ridgemark, California · 14159 days ago · 8 km deep · 55 km away
  6. 1.919 km SE of Big Sur, California · 14158 days ago · 14 km deep · 100 km away
  7. 2.120 km SSE of Tres Pinos, California · 14158 days ago · 5 km deep · 42 km away
  8. 2.126 km SW of Firebaugh, California · 14158 days ago · 0 km deep · 6 km away
  9. 1.69 km NE of Morgan Hill, California · 14158 days ago · 5 km deep · 90 km away
  10. 2.029 km SSW of South Dos Palos, California · 14157 days ago · 3 km deep · 2 km away
  11. 2.031 km SSW of South Dos Palos, California · 14157 days ago · 3 km deep · 2 km away
  12. 1.923 km ENE of San Ardo, California · 14157 days ago · 3 km deep · 69 km away
  13. 2.428 km SSW of South Dos Palos, California · 14157 days ago · -1 km deep · 2 km away
  14. 2.829 km SSW of South Dos Palos, California · 14157 days ago · 0 km deep · 2 km away
  15. 1.829 km SSW of South Dos Palos, California · 14157 days ago · 0 km deep · 2 km away
  16. 2.021 km NE of Soledad, California · 14157 days ago · 7 km deep · 38 km away
  17. 2.120 km SSE of Tres Pinos, California · 14157 days ago · 5 km deep · 42 km away
  18. 2.36 km W of Biola, California · 14157 days ago · 23 km deep · 61 km away
  19. 1.96 km SW of Spreckels, California · 14156 days ago · 11 km deep · 84 km away
  20. 1.921 km NNE of Soledad, California · 14156 days ago · 8 km deep · 41 km away
  21. 1.726 km NE of Soledad, California · 14155 days ago · 10 km deep · 33 km away
  22. 1.626 km NE of Soledad, California · 14155 days ago · 10 km deep · 33 km away
  23. 1.626 km NE of Soledad, California · 14155 days ago · 10 km deep · 33 km away
  24. 2.332 km SSW of South Dos Palos, California · 14154 days ago · 1 km deep · 3 km away
  25. 1.713 km SSE of Tres Pinos, California · 14153 days ago · 4 km deep · 47 km away
  26. 2.2Central California · 14153 days ago · -1 km deep · 3 km away
  27. 1.99 km S of San Juan Bautista, California · 14152 days ago · 8 km deep · 70 km away
  28. 1.528 km SSW of South Dos Palos, California · 14152 days ago · 0 km deep · 3 km away
  29. 3.58 km ENE of San Martin, California · 14151 days ago · 8 km deep · 81 km away
  30. 1.68 km ENE of San Martin, California · 14151 days ago · 7 km deep · 81 km away
  31. 2.921 km NE of Soledad, California · 14151 days ago · 6 km deep · 38 km away
  32. 2.121 km NE of Soledad, California · 14151 days ago · 5 km deep · 38 km away
  33. 1.821 km NE of Soledad, California · 14151 days ago · 5 km deep · 37 km away
  34. 1.86 km SW of Gilroy, California · 14150 days ago · 7 km deep · 81 km away
  35. 2.08 km SW of Huron, California · 14150 days ago · 9 km deep · 83 km away
  36. 1.66 km ENE of Coalinga, California · 14149 days ago · 10 km deep · 74 km away
  37. 1.817 km SSE of Tres Pinos, California · 14149 days ago · 5 km deep · 44 km away
  38. 1.611 km SW of Huron, California · 14149 days ago · 10 km deep · 82 km away
  39. 1.812 km ESE of Huron, California · 14149 days ago · 7 km deep · 94 km away
  40. 1.612 km SW of Huron, California · 14148 days ago · 12 km deep · 80 km away
  41. 1.611 km E of Coalinga, California · 14148 days ago · 6 km deep · 79 km away
  42. 1.5Central California · 14148 days ago · 5 km deep · 79 km away
  43. 1.628 km SSW of South Dos Palos, California · 14148 days ago · 0 km deep · 3 km away
  44. 1.6Central California · 14147 days ago · 6 km deep · 78 km away
  45. 1.826 km SW of Firebaugh, California · 14147 days ago · 3 km deep · 7 km away
  46. 1.78 km SSW of Tres Pinos, California · 14147 days ago · 3 km deep · 53 km away
  47. 1.721 km NE of Soledad, California · 14147 days ago · 7 km deep · 39 km away
  48. 2.0Central California · 14146 days ago · -1 km deep · 2 km away
  49. 2.124 km ENE of Greenfield, California · 14146 days ago · 5 km deep · 39 km away
  50. 4.528 km SW of South Dos Palos, California · 14146 days ago · 4 km deep · 13 km away
  51. 2.029 km SW of South Dos Palos, California · 14146 days ago · 1 km deep · 12 km away
  52. 2.332 km SSW of Los Banos, California · 14146 days ago · 0 km deep · 17 km away
  53. 2.729 km SW of South Dos Palos, California · 14146 days ago · 0 km deep · 14 km away
  54. 2.129 km SW of South Dos Palos, California · 14146 days ago · 4 km deep · 13 km away
  55. 2.229 km SW of South Dos Palos, California · 14146 days ago · 1 km deep · 12 km away
  56. 1.929 km SW of South Dos Palos, California · 14146 days ago · 2 km deep · 12 km away
  57. 1.629 km SW of South Dos Palos, California · 14145 days ago · 2 km deep · 12 km away
  58. 1.6Central California · 14145 days ago · 1 km deep · 13 km away
  59. 1.628 km SW of South Dos Palos, California · 14145 days ago · 2 km deep · 13 km away
  60. 1.74 km ENE of Tres Pinos, California · 14144 days ago · 9 km deep · 47 km away

The first 60 of 161.

Before

  1. 2.0Central California · 14161 days ago · -1 km deep · 2 km away
  2. 1.829 km SSW of South Dos Palos, California · 14161 days ago · -1 km deep · 0 km away
  3. 2.930 km SSW of South Dos Palos, California · 14161 days ago · 2 km deep · 1 km away
  4. 2.032 km SSW of South Dos Palos, California · 14161 days ago · 1 km deep · 3 km away
  5. 2.329 km SSW of South Dos Palos, California · 14161 days ago · -1 km deep · 2 km away
  6. 2.631 km SSW of South Dos Palos, California · 14161 days ago · 1 km deep · 2 km away
  7. 3.828 km SSW of South Dos Palos, California · 14161 days ago · 3 km deep · 2 km away
  8. 2.029 km SSW of South Dos Palos, California · 14161 days ago · 0 km deep · 2 km away
  9. 1.526 km SW of Firebaugh, California · 14162 days ago · 6 km deep · 7 km away
  10. 1.726 km SW of Firebaugh, California · 14162 days ago · 4 km deep · 8 km away
  11. 1.926 km SW of Firebaugh, California · 14162 days ago · 3 km deep · 7 km away
  12. 1.926 km SW of Firebaugh, California · 14162 days ago · 4 km deep · 8 km away
  13. 2.026 km SW of Firebaugh, California · 14162 days ago · 5 km deep · 7 km away
  14. 1.925 km ENE of Greenfield, California · 14162 days ago · -1 km deep · 36 km away
  15. 1.5Central California · 14164 days ago · 5 km deep · 52 km away
  16. 2.022 km ENE of San Lucas, California · 14164 days ago · 9 km deep · 52 km away
  17. 1.824 km ENE of Soledad, California · 14164 days ago · 2 km deep · 36 km away
  18. 3.09 km SW of Tres Pinos, CA · 14165 days ago · 2 km deep · 55 km away
  19. 1.823 km NE of San Ardo, California · 14166 days ago · 3 km deep · 57 km away
  20. 1.66 km NE of Ridgemark, California · 14166 days ago · 5 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc110168. Read Tue, Sep 29, 2026, 10:11 PM UTC.