California earthquakes

M1.9 earthquake 21 km NNE of Soledad, California

A magnitude 1.9 earthquake struck 21 km NNE of Soledad, California on Sun, Dec 27, 1987, 11:23 PM PST (07:23 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.3 32 km SSW of South Dos Palos, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1987-12-28 07:23:04 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
36.590° N, 121.198° 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, 0.4 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
51°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 146 in the 60 days after this one and 45 in the 30 days before it.

After

  1. 1.726 km NE of Soledad, California · 14148 days ago · 10 km deep · 9 km away
  2. 1.626 km NE of Soledad, California · 14148 days ago · 10 km deep · 9 km away
  3. 1.626 km NE of Soledad, California · 14148 days ago · 10 km deep · 9 km away
  4. 2.332 km SSW of South Dos Palos, California · 14147 days ago · 1 km deep · 40 km away
  5. 1.713 km SSE of Tres Pinos, California · 14146 days ago · 4 km deep · 12 km away
  6. 2.2Central California · 14146 days ago · -1 km deep · 44 km away
  7. 1.99 km S of San Juan Bautista, California · 14145 days ago · 8 km deep · 37 km away
  8. 1.528 km SSW of South Dos Palos, California · 14145 days ago · 0 km deep · 44 km away
  9. 3.58 km ENE of San Martin, California · 14144 days ago · 8 km deep · 65 km away
  10. 1.68 km ENE of San Martin, California · 14144 days ago · 7 km deep · 65 km away
  11. 2.921 km NE of Soledad, California · 14144 days ago · 6 km deep · 8 km away
  12. 2.121 km NE of Soledad, California · 14144 days ago · 5 km deep · 8 km away
  13. 1.821 km NE of Soledad, California · 14144 days ago · 5 km deep · 8 km away
  14. 1.86 km SW of Gilroy, California · 14143 days ago · 7 km deep · 56 km away
  15. 1.66 km ENE of Coalinga, California · 14142 days ago · 10 km deep · 94 km away
  16. 1.817 km SSE of Tres Pinos, California · 14142 days ago · 5 km deep · 7 km away
  17. 1.611 km E of Coalinga, California · 14141 days ago · 6 km deep · 100 km away
  18. 1.5Central California · 14141 days ago · 5 km deep · 84 km away
  19. 1.628 km SSW of South Dos Palos, California · 14141 days ago · 0 km deep · 43 km away
  20. 1.6Central California · 14140 days ago · 6 km deep · 54 km away
  21. 1.826 km SW of Firebaugh, California · 14140 days ago · 3 km deep · 47 km away
  22. 1.78 km SSW of Tres Pinos, California · 14140 days ago · 3 km deep · 21 km away
  23. 1.721 km NE of Soledad, California · 14140 days ago · 7 km deep · 3 km away
  24. 2.0Central California · 14139 days ago · -1 km deep · 43 km away
  25. 2.124 km ENE of Greenfield, California · 14139 days ago · 5 km deep · 28 km away
  26. 4.528 km SW of South Dos Palos, California · 14139 days ago · 4 km deep · 35 km away
  27. 2.029 km SW of South Dos Palos, California · 14139 days ago · 1 km deep · 35 km away
  28. 2.332 km SSW of Los Banos, California · 14139 days ago · 0 km deep · 31 km away
  29. 2.729 km SW of South Dos Palos, California · 14139 days ago · 0 km deep · 35 km away
  30. 2.129 km SW of South Dos Palos, California · 14139 days ago · 4 km deep · 35 km away
  31. 2.229 km SW of South Dos Palos, California · 14139 days ago · 1 km deep · 35 km away
  32. 1.929 km SW of South Dos Palos, California · 14139 days ago · 2 km deep · 35 km away
  33. 1.629 km SW of South Dos Palos, California · 14138 days ago · 2 km deep · 35 km away
  34. 1.711 km ESE of East Foothills, California · 14138 days ago · 7 km deep · 94 km away
  35. 1.6Central California · 14138 days ago · 1 km deep · 35 km away
  36. 1.628 km SW of South Dos Palos, California · 14138 days ago · 2 km deep · 35 km away
  37. 1.74 km ENE of Tres Pinos, California · 14137 days ago · 9 km deep · 25 km away
  38. 1.724 km ENE of King City, California · 14135 days ago · 5 km deep · 39 km away
  39. 1.86 km ENE of Hollister, California · 14135 days ago · 7 km deep · 35 km away
  40. 2.228 km SSW of South Dos Palos, California · 14134 days ago · -1 km deep · 42 km away
  41. 1.829 km SW of South Dos Palos, California · 14134 days ago · 2 km deep · 35 km away
  42. 2.224 km ENE of Soledad, California · 14134 days ago · 3 km deep · 15 km away
  43. 2.029 km SW of South Dos Palos, California · 14134 days ago · 0 km deep · 35 km away
  44. 1.921 km NE of Soledad, California · 14133 days ago · 6 km deep · 1 km away
  45. 1.618 km NNW of Coalinga, California · 14132 days ago · 9 km deep · 77 km away
  46. 3.03 km SW of Ridgemark, CA · 14131 days ago · 3 km deep · 28 km away
  47. 2.42 km SW of Ridgemark, California · 14131 days ago · 3 km deep · 28 km away
  48. 3.0Central California · 14131 days ago · 3 km deep · 28 km away
  49. 3.217 km SW of Volta, California · 14130 days ago · 2 km deep · 45 km away
  50. 1.631 km WSW of Three Rocks, California · 14130 days ago · 13 km deep · 48 km away
  51. 1.929 km SW of South Dos Palos, California · 14130 days ago · -1 km deep · 35 km away
  52. 2.230 km SW of South Dos Palos, California · 14130 days ago · -1 km deep · 34 km away
  53. 1.936 km ENE of Greenfield, California · 14129 days ago · 7 km deep · 29 km away
  54. 1.729 km WSW of Three Rocks, California · 14128 days ago · 13 km deep · 49 km away
  55. 2.66 km ENE of Hollister, California · 14126 days ago · 8 km deep · 35 km away
  56. 2.08 km NE of Coalinga, California · 14126 days ago · 10 km deep · 93 km away
  57. 1.630 km SW of South Dos Palos, California · 14126 days ago · 2 km deep · 34 km away
  58. 2.119 km ESE of Tres Pinos, California · 14126 days ago · 6 km deep · 20 km away
  59. 3.017 km SW of Volta, California · 14124 days ago · 2 km deep · 46 km away
  60. 2.020 km SSE of Tres Pinos, California · 14124 days ago · 5 km deep · 5 km away

The first 60 of 146.

Before

  1. 1.96 km SW of Spreckels, California · 14149 days ago · 11 km deep · 44 km away
  2. 2.120 km SSE of Tres Pinos, California · 14150 days ago · 5 km deep · 4 km away
  3. 2.021 km NE of Soledad, California · 14150 days ago · 7 km deep · 6 km away
  4. 1.829 km SSW of South Dos Palos, California · 14150 days ago · 0 km deep · 42 km away
  5. 2.829 km SSW of South Dos Palos, California · 14150 days ago · 0 km deep · 42 km away
  6. 2.428 km SSW of South Dos Palos, California · 14150 days ago · -1 km deep · 43 km away
  7. 1.923 km ENE of San Ardo, California · 14150 days ago · 3 km deep · 73 km away
  8. 2.031 km SSW of South Dos Palos, California · 14150 days ago · 3 km deep · 41 km away
  9. 2.029 km SSW of South Dos Palos, California · 14150 days ago · 3 km deep · 43 km away
  10. 1.69 km NE of Morgan Hill, California · 14151 days ago · 5 km deep · 75 km away
  11. 2.126 km SW of Firebaugh, California · 14151 days ago · 0 km deep · 47 km away
  12. 1.713 km ESE of East Foothills, California · 14151 days ago · 8 km deep · 92 km away
  13. 2.120 km SSE of Tres Pinos, California · 14151 days ago · 5 km deep · 4 km away
  14. 1.919 km SE of Big Sur, California · 14151 days ago · 14 km deep · 63 km away
  15. 1.55 km S of Ridgemark, California · 14152 days ago · 8 km deep · 25 km away
  16. 1.712 km N of Coalinga, California · 14153 days ago · 8 km deep · 82 km away
  17. 2.229 km SSW of South Dos Palos, California · 14153 days ago · -1 km deep · 42 km away
  18. 1.625 km ENE of Greenfield, California · 14154 days ago · 6 km deep · 25 km away
  19. 2.429 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 41 km away
  20. 1.5Central California · 14154 days ago · -1 km deep · 41 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc110289. Read Tue, Sep 22, 2026, 10:27 PM UTC.