California earthquakes

M1.7 earthquake Central California

A magnitude 1.7 earthquake struck in Central California on Mon, Oct 26, 1987, 9:48 PM PST (05:48 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.8 28 km SSW of South Dos Palos, California. This one was a foreshock.

Huron 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
1.7 (md), micro
Local time
UTC
1987-10-27 05:48:20 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
36.137° N, 120.175° 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 1.7 km horizontally, 6.8 km in depth
Magnitude uncertainty
±0.02
Depth from
From location
Station coverage gap
153°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 2.015 km N of Coalinga, California · 14216 days ago · 14 km deep · 25 km away
  2. 1.726 km ENE of Soledad, California · 14216 days ago · 7 km deep · 94 km away
  3. 2.411 km NE of Coalinga, California · 14216 days ago · 11 km deep · 14 km away
  4. 2.710km NE of Alpaugh, CA · 14215 days ago · 5 km deep · 73 km away
  5. 3.18 km NNW of Avenal, California · 14213 days ago · 7 km deep · 7 km away
  6. 1.526 km NE of Greenfield, California · 14212 days ago · 7 km deep · 83 km away
  7. 1.816 km NW of Huron, California · 14212 days ago · 5 km deep · 21 km away
  8. 1.78 km NNW of Avenal, California · 14211 days ago · 7 km deep · 7 km away
  9. 2.610 km W of Three Rocks, California · 14209 days ago · 12 km deep · 51 km away
  10. 2.311 km SSE of Huron, California · 14207 days ago · 8 km deep · 12 km away
  11. 1.512 km N of Coalinga, California · 14206 days ago · 9 km deep · 21 km away
  12. 1.612 km E of Coalinga, California · 14205 days ago · 2 km deep · 5 km away
  13. 1.82 km ESE of San Ardo, California · 14205 days ago · 13 km deep · 65 km away
  14. 1.69 km NNE of Lockwood, California · 14204 days ago · 11 km deep · 78 km away
  15. 2.05 km E of Avenal, California · 14202 days ago · 10 km deep · 17 km away
  16. 2.110 km SW of Huron, CA · 14202 days ago · 7 km deep · 1 km away
  17. 1.521 km NE of Soledad, California · 14201 days ago · 8 km deep · 97 km away
  18. 1.87 km N of Avenal, California · 14200 days ago · 5 km deep · 8 km away
  19. 1.61 km ESE of San Ardo, California · 14198 days ago · 10 km deep · 65 km away
  20. 2.641 km ENE of Soledad, California · 14198 days ago · 5 km deep · 83 km away
  21. 2.12 km ESE of San Ardo, California · 14198 days ago · 12 km deep · 65 km away
  22. 1.56 km ENE of Coalinga, California · 14198 days ago · 12 km deep · 11 km away
  23. 2.012 km NW of Parkfield, California · 14196 days ago · 11 km deep · 36 km away
  24. 3.011 km WNW of Oak Shores, California · 14196 days ago · 6 km deep · 89 km away
  25. 1.611 km NW of Oak Shores, California · 14196 days ago · 6 km deep · 89 km away
  26. 1.916 km NNE of Coalinga, California · 14196 days ago · 4 km deep · 21 km away
  27. 1.824 km NE of Soledad, California · 14195 days ago · 8 km deep · 95 km away
  28. 1.822 km NE of Soledad, California · 14194 days ago · 8 km deep · 99 km away
  29. 2.710 km NE of Avenal, California · 14193 days ago · 17 km deep · 13 km away
  30. 1.58 km N of Coalinga, California · 14193 days ago · 7 km deep · 18 km away
  31. 1.915 km NW of Parkfield, California · 14192 days ago · 4 km deep · 38 km away
  32. 2.315 km SE of Kettleman City, California · 14192 days ago · 8 km deep · 40 km away
  33. 1.821 km NW of Parkfield, California · 14192 days ago · 3 km deep · 40 km away
  34. 1.617 km N of Coalinga, California · 14191 days ago · 5 km deep · 23 km away
  35. 2.524 km NE of Soledad, California · 14191 days ago · 7 km deep · 95 km away
  36. 1.714 km NNW of Coalinga, California · 14190 days ago · 7 km deep · 27 km away
  37. 2.616 km NW of Parkfield, California · 14190 days ago · 5 km deep · 38 km away
  38. 1.813 km N of Coalinga, California · 14190 days ago · 9 km deep · 20 km away
  39. 1.831 km ENE of Soledad, California · 14187 days ago · 7 km deep · 91 km away
  40. 1.630 km ENE of Soledad, California · 14187 days ago · 7 km deep · 91 km away
  41. 2.19 km N of Coalinga, California · 14186 days ago · 9 km deep · 18 km away
  42. 2.89 km N of Coalinga, California · 14186 days ago · 9 km deep · 18 km away
  43. 1.729 km SW of South Dos Palos, California · 14185 days ago · 5 km deep · 94 km away
  44. 2.025 km NNE of King City, California · 14184 days ago · 1 km deep · 78 km away
  45. 2.518 km NW of Parkfield, California · 14184 days ago · 5 km deep · 39 km away
  46. 1.812 km NW of Oak Shores, California · 14184 days ago · 6 km deep · 89 km away
  47. 1.725 km NE of Greenfield, California · 14183 days ago · 8 km deep · 83 km away
  48. 2.124 km NE of Greenfield, California · 14183 days ago · 0 km deep · 85 km away
  49. 1.716 km N of Coalinga, California · 14181 days ago · 9 km deep · 23 km away
  50. 1.617 km N of Coalinga, California · 14181 days ago · 11 km deep · 22 km away
  51. 1.525 km NE of Greenfield, California · 14181 days ago · 8 km deep · 84 km away
  52. 2.3Central California · 14181 days ago · 9 km deep · 3 km away
  53. 1.57 km WSW of Huron, California · 14181 days ago · 11 km deep · 4 km away
  54. 1.98 km NNE of Coalinga, California · 14180 days ago · 10 km deep · 14 km away
  55. 2.44 km SW of Avenal, California · 14178 days ago · 16 km deep · 19 km away
  56. 1.725 km NE of San Lucas, California · 14177 days ago · 7 km deep · 63 km away
  57. 1.526 km NE of San Lucas, California · 14176 days ago · 9 km deep · 63 km away
  58. 2.05 km SSE of Mendota, California · 14175 days ago · 5 km deep · 66 km away
  59. 1.710 km S of Huron, California · 14171 days ago · 7 km deep · 8 km away
  60. 1.628 km NE of San Ardo, California · 14170 days ago · 0 km deep · 45 km away

The first 60 of 89.

Before

  1. 1.636 km ESE of Tres Pinos, California · 14218 days ago · 0 km deep · 93 km away
  2. 1.811 km NE of Coalinga, California · 14220 days ago · 9 km deep · 13 km away
  3. 1.89 km NNW of Avenal, California · 14221 days ago · 9 km deep · 6 km away
  4. 2.17 km S of Three Rocks, California · 14222 days ago · 9 km deep · 38 km away
  5. 2.02 km SE of San Ardo, California · 14223 days ago · 10 km deep · 65 km away
  6. 2.319 km WSW of Three Rocks, California · 14225 days ago · 16 km deep · 50 km away
  7. 1.514 km WNW of Templeton, California · 14225 days ago · 3 km deep · 87 km away
  8. 1.97 km ENE of San Simeon, California · 14226 days ago · 5 km deep · 100 km away
  9. 1.621 km NE of Soledad, California · 14226 days ago · 8 km deep · 97 km away
  10. 2.821 km NE of Soledad, California · 14226 days ago · 9 km deep · 97 km away
  11. 2.116 km NNW of Coalinga, California · 14227 days ago · 11 km deep · 28 km away
  12. 1.812 km E of Coalinga, California · 14227 days ago · 7 km deep · 4 km away
  13. 1.911 km N of Coalinga, California · 14230 days ago · 12 km deep · 22 km away
  14. 1.624 km ENE of Soledad, California · 14231 days ago · 3 km deep · 89 km away
  15. 2.011km N of Simmler, CA · 14232 days ago · 9 km deep · 78 km away
  16. 1.713 km N of Cayucos, California · 14232 days ago · 4 km deep · 89 km away
  17. 2.68 km S of Huron, California · 14233 days ago · 8 km deep · 7 km away
  18. 1.715 km NNW of Coalinga, California · 14233 days ago · 8 km deep · 26 km away
  19. 2.12 km E of Avenal, California · 14233 days ago · 13 km deep · 17 km away
  20. 2.13 km E of Avenal, California · 14234 days ago · 8 km deep · 16 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc107745. Read Tue, Sep 29, 2026, 12:44 PM UTC.