California earthquakes

M1.9 earthquake 40 km ENE of Soledad, California

A magnitude 1.9 earthquake struck 40 km ENE of Soledad, California on Tue, Dec 15, 1987, 4:03 AM PST (12:03 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M1.9 18 km NW of Parkfield, California. This one was a foreshock.

Soledad 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
1.9 (md), micro
Local time
UTC
1987-12-15 12:03:29 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
36.572° N, 120.913° 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 0.7 km horizontally, 5.2 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
96°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 1.610 km ENE of Coalinga, California · 14161 days ago · 12 km deep · 74 km away
  2. 1.611 km ENE of Coalinga, California · 14161 days ago · 12 km deep · 75 km away
  3. 1.918 km NW of Parkfield, California · 14160 days ago · 5 km deep · 69 km away
  4. 1.812 km N of Morgan Hill, California · 14159 days ago · 6 km deep · 98 km away
  5. 1.66 km NE of Ridgemark, California · 14159 days ago · 5 km deep · 47 km away
  6. 1.823 km NE of San Ardo, California · 14158 days ago · 3 km deep · 44 km away
  7. 3.09 km SW of Tres Pinos, CA · 14158 days ago · 2 km deep · 46 km away
  8. 1.824 km ENE of Soledad, California · 14157 days ago · 2 km deep · 16 km away
  9. 2.022 km ENE of San Lucas, California · 14156 days ago · 9 km deep · 38 km away
  10. 1.5Central California · 14156 days ago · 5 km deep · 49 km away
  11. 1.925 km ENE of Greenfield, California · 14155 days ago · -1 km deep · 16 km away
  12. 2.026 km SW of Firebaugh, California · 14155 days ago · 5 km deep · 25 km away
  13. 1.926 km SW of Firebaugh, California · 14155 days ago · 4 km deep · 25 km away
  14. 1.926 km SW of Firebaugh, California · 14154 days ago · 3 km deep · 25 km away
  15. 1.726 km SW of Firebaugh, California · 14154 days ago · 4 km deep · 25 km away
  16. 1.526 km SW of Firebaugh, California · 14154 days ago · 6 km deep · 26 km away
  17. 2.029 km SSW of South Dos Palos, California · 14154 days ago · 0 km deep · 21 km away
  18. 3.828 km SSW of South Dos Palos, California · 14154 days ago · 3 km deep · 22 km away
  19. 2.631 km SSW of South Dos Palos, California · 14154 days ago · 1 km deep · 19 km away
  20. 2.329 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 21 km away
  21. 2.032 km SSW of South Dos Palos, California · 14154 days ago · 1 km deep · 17 km away
  22. 2.930 km SSW of South Dos Palos, California · 14154 days ago · 2 km deep · 20 km away
  23. 1.829 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 20 km away
  24. 2.0Central California · 14154 days ago · -1 km deep · 21 km away
  25. 1.5Central California · 14154 days ago · -1 km deep · 20 km away
  26. 2.429 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 21 km away
  27. 1.625 km ENE of Greenfield, California · 14153 days ago · 6 km deep · 17 km away
  28. 2.229 km SSW of South Dos Palos, California · 14153 days ago · -1 km deep · 21 km away
  29. 1.712 km N of Coalinga, California · 14153 days ago · 8 km deep · 59 km away
  30. 1.55 km S of Ridgemark, California · 14152 days ago · 8 km deep · 46 km away
  31. 1.919 km SE of Big Sur, California · 14151 days ago · 14 km deep · 80 km away
  32. 2.120 km SSE of Tres Pinos, California · 14151 days ago · 5 km deep · 29 km away
  33. 2.126 km SW of Firebaugh, California · 14151 days ago · 0 km deep · 25 km away
  34. 1.69 km NE of Morgan Hill, California · 14151 days ago · 5 km deep · 91 km away
  35. 2.029 km SSW of South Dos Palos, California · 14150 days ago · 3 km deep · 21 km away
  36. 2.031 km SSW of South Dos Palos, California · 14150 days ago · 3 km deep · 20 km away
  37. 1.923 km ENE of San Ardo, California · 14150 days ago · 3 km deep · 57 km away
  38. 2.428 km SSW of South Dos Palos, California · 14150 days ago · -1 km deep · 22 km away
  39. 2.829 km SSW of South Dos Palos, California · 14150 days ago · 0 km deep · 21 km away
  40. 1.829 km SSW of South Dos Palos, California · 14150 days ago · 0 km deep · 21 km away
  41. 2.021 km NE of Soledad, California · 14149 days ago · 7 km deep · 21 km away
  42. 2.120 km SSE of Tres Pinos, California · 14149 days ago · 5 km deep · 28 km away
  43. 2.36 km W of Biola, California · 14149 days ago · 23 km deep · 78 km away
  44. 1.96 km SW of Spreckels, California · 14149 days ago · 11 km deep · 70 km away
  45. 1.921 km NNE of Soledad, California · 14148 days ago · 8 km deep · 26 km away
  46. 1.726 km NE of Soledad, California · 14148 days ago · 10 km deep · 17 km away
  47. 1.626 km NE of Soledad, California · 14148 days ago · 10 km deep · 17 km away
  48. 1.626 km NE of Soledad, California · 14148 days ago · 10 km deep · 17 km away
  49. 2.332 km SSW of South Dos Palos, California · 14147 days ago · 1 km deep · 18 km away
  50. 1.713 km SSE of Tres Pinos, California · 14146 days ago · 4 km deep · 35 km away
  51. 2.2Central California · 14145 days ago · -1 km deep · 22 km away
  52. 1.99 km S of San Juan Bautista, California · 14145 days ago · 8 km deep · 61 km away
  53. 1.528 km SSW of South Dos Palos, California · 14145 days ago · 0 km deep · 23 km away
  54. 3.58 km ENE of San Martin, California · 14144 days ago · 8 km deep · 81 km away
  55. 1.68 km ENE of San Martin, California · 14144 days ago · 7 km deep · 81 km away
  56. 2.921 km NE of Soledad, California · 14143 days ago · 6 km deep · 20 km away
  57. 2.121 km NE of Soledad, California · 14143 days ago · 5 km deep · 20 km away
  58. 1.821 km NE of Soledad, California · 14143 days ago · 5 km deep · 20 km away
  59. 1.86 km SW of Gilroy, California · 14143 days ago · 7 km deep · 77 km away
  60. 2.08 km SW of Huron, California · 14143 days ago · 9 km deep · 82 km away

The first 60 of 166.

Before

  1. 1.925 km WSW of Coalinga, California · 14161 days ago · 3 km deep · 61 km away
  2. 1.610 km NE of Coalinga, California · 14161 days ago · 9 km deep · 72 km away
  3. 1.75 km NNE of Tres Pinos, California · 14161 days ago · 6 km deep · 46 km away
  4. 1.628 km NE of San Ardo, California · 14163 days ago · 0 km deep · 47 km away
  5. 1.710 km S of Huron, California · 14164 days ago · 7 km deep · 89 km away
  6. 1.513 km N of Morgan Hill, California · 14164 days ago · 5 km deep · 100 km away
  7. 1.823 km SSW of Los Banos, California · 14166 days ago · 0 km deep · 32 km away
  8. 2.812 km N of Morgan Hill, CA · 14167 days ago · 5 km deep · 98 km away
  9. 2.05 km SSE of Mendota, California · 14168 days ago · 5 km deep · 53 km away
  10. 1.526 km NE of San Lucas, California · 14169 days ago · 9 km deep · 29 km away
  11. 1.621 km SSE of Tres Pinos, California · 14169 days ago · 4 km deep · 28 km away
  12. 1.914 km N of Morgan Hill, California · 14170 days ago · 6 km deep · 100 km away
  13. 1.9Central California · 14170 days ago · 6 km deep · 61 km away
  14. 2.213 km N of Morgan Hill, California · 14170 days ago · 3 km deep · 100 km away
  15. 1.725 km NE of San Lucas, California · 14170 days ago · 7 km deep · 30 km away
  16. 1.811 km SW of Soledad, California · 14170 days ago · 13 km deep · 51 km away
  17. 1.711 km SW of Soledad, California · 14170 days ago · 11 km deep · 51 km away
  18. 2.44 km SW of Avenal, California · 14171 days ago · 16 km deep · 95 km away
  19. 1.826 km NW of San Simeon, California · 14172 days ago · 8 km deep · 95 km away
  20. 1.66 km E of Tres Pinos, California · 14172 days ago · 7 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc109936. Read Tue, Sep 22, 2026, 3:38 PM UTC.