California earthquakes

M1.8 earthquake 7 km E of Coalinga, California

A magnitude 1.8 earthquake struck 7 km E of Coalinga, California on Tue, Jul 21, 1987, 1:15 PM PDT (20:15 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.4 12 km NNW of Kettleman City, California. This one was a foreshock.

Coalinga 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-07-21 20:15:47 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
36.152° N, 120.275° 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 0.9 km horizontally, 2.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
145°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 48 in the 30 days before it.

After

  1. 1.924 km ENE of Soledad, California · 14320 days ago · 2 km deep · 81 km away
  2. 2.311 km NE of Avenal, California · 14320 days ago · 8 km deep · 21 km away
  3. 1.621 km NE of Soledad, California · 14319 days ago · 3 km deep · 91 km away
  4. 1.724 km NE of King City, California · 14319 days ago · 5 km deep · 62 km away
  5. 2.81 km SSE of Oak Shores, California · 14319 days ago · 7 km deep · 77 km away
  6. 1.822 km NE of Shandon, California · 14317 days ago · 7 km deep · 40 km away
  7. 1.94 km NE of Coalinga, California · 14317 days ago · 11 km deep · 5 km away
  8. 2.0Central California · 14316 days ago · 4 km deep · 31 km away
  9. 1.69 km NNE of Lockwood, California · 14315 days ago · 11 km deep · 70 km away
  10. 2.49 km NE of Coalinga, California · 14315 days ago · 2 km deep · 5 km away
  11. 1.617 km NNW of Coalinga, California · 14315 days ago · 11 km deep · 20 km away
  12. 1.71 km SSE of Oak Shores, California · 14314 days ago · 7 km deep · 77 km away
  13. 1.618 km NW of Coalinga, California · 14312 days ago · 7 km deep · 23 km away
  14. 1.918 km NW of Coalinga, California · 14312 days ago · 7 km deep · 23 km away
  15. 1.71 km SSE of Oak Shores, California · 14312 days ago · 7 km deep · 77 km away
  16. 2.29 km N of Coalinga, California · 14310 days ago · 10 km deep · 11 km away
  17. 2.45 km NNE of Coalinga, California · 14308 days ago · 14 km deep · 7 km away
  18. 1.517 km N of Coalinga, California · 14308 days ago · 10 km deep · 19 km away
  19. 1.813 km N of Coalinga, California · 14308 days ago · 10 km deep · 14 km away
  20. 1.724 km NE of Greenfield, California · 14307 days ago · 7 km deep · 79 km away
  21. 1.921 km NE of Soledad, California · 14306 days ago · 6 km deep · 90 km away
  22. 1.52 km S of Oak Shores, California · 14306 days ago · 7 km deep · 77 km away
  23. 2.97 km NNE of Coalinga, California · 14306 days ago · 11 km deep · 7 km away
  24. 2.57 km NW of Parkfield, California · 14304 days ago · 10 km deep · 30 km away
  25. 2.02 km S of Oak Shores, California · 14303 days ago · 7 km deep · 78 km away
  26. 2.224 km NE of San Ardo, California · 14303 days ago · 8 km deep · 44 km away
  27. 1.741 km W of Three Rocks, California · 14302 days ago · 5 km deep · 68 km away
  28. 1.54 km NNE of Coalinga, California · 14302 days ago · 13 km deep · 6 km away
  29. 1.89 km NNW of Huron, California · 14302 days ago · 8 km deep · 18 km away
  30. 1.726 km SW of Firebaugh, California · 14301 days ago · 10 km deep · 74 km away
  31. 1.76 km ESE of San Lucas, California · 14300 days ago · 9 km deep · 61 km away
  32. 1.617 km NW of Coalinga, California · 14298 days ago · 8 km deep · 22 km away
  33. 1.813 km NE of Coalinga, California · 14297 days ago · 9 km deep · 9 km away
  34. 1.913 km NE of Coalinga, California · 14297 days ago · 8 km deep · 8 km away
  35. 2.413 km NE of Coalinga, California · 14297 days ago · 8 km deep · 9 km away
  36. 1.821 km NE of Soledad, California · 14297 days ago · 6 km deep · 90 km away
  37. 2.311 km NNE of Coalinga, California · 14297 days ago · 9 km deep · 11 km away
  38. 2.8Central California · 14296 days ago · 12 km deep · 72 km away
  39. 2.130 km ESE of Shandon, California · 14296 days ago · 10 km deep · 72 km away
  40. 2.730 km ESE of Shandon, California · 14295 days ago · 7 km deep · 72 km away
  41. 2.030 km ESE of Shandon, California · 14295 days ago · 8 km deep · 72 km away
  42. 2.230 km ESE of Shandon, California · 14295 days ago · 8 km deep · 72 km away
  43. 1.611 km SW of Huron, California · 14295 days ago · 11 km deep · 7 km away
  44. 2.125 km NE of Greenfield, California · 14295 days ago · 9 km deep · 74 km away
  45. 1.630 km ESE of Shandon, California · 14294 days ago · 10 km deep · 72 km away
  46. 2.221 km NE of Soledad, California · 14294 days ago · 5 km deep · 93 km away
  47. 2.021 km NE of Soledad, California · 14294 days ago · 5 km deep · 93 km away
  48. 1.65 km SSW of Huron, California · 14294 days ago · 5 km deep · 14 km away
  49. 2.923 km NE of Soledad, California · 14294 days ago · 5 km deep · 90 km away
  50. 2.122 km NE of San Lucas, California · 14293 days ago · 9 km deep · 51 km away
  51. 1.824 km NE of Greenfield, California · 14292 days ago · 1 km deep · 77 km away
  52. 1.68 km NNW of Huron, California · 14292 days ago · 5 km deep · 19 km away
  53. 1.623 km NE of Soledad, California · 14292 days ago · 4 km deep · 89 km away
  54. 2.06 km ENE of Coalinga, California · 14290 days ago · 7 km deep · 2 km away
  55. 2.021 km NE of Soledad, California · 14290 days ago · 2 km deep · 91 km away
  56. 1.712 km E of Coalinga, California · 14290 days ago · 11 km deep · 6 km away
  57. 2.120 km SSW of Three Rocks, California · 14289 days ago · 9 km deep · 24 km away
  58. 1.57 km NNE of Avenal, California · 14289 days ago · 8 km deep · 20 km away
  59. 1.824 km NE of Greenfield, California · 14288 days ago · 6 km deep · 78 km away
  60. 2.022 km NNE of Soledad, California · 14288 days ago · 8 km deep · 98 km away

The first 60 of 96.

Before

  1. 2.121 km NE of Soledad, California · 14322 days ago · 6 km deep · 95 km away
  2. 2.521 km NE of Soledad, California · 14323 days ago · 7 km deep · 95 km away
  3. 1.64 km NW of Parkfield, California · 14323 days ago · 4 km deep · 31 km away
  4. 2.04 km NNE of Coalinga, California · 14327 days ago · 13 km deep · 7 km away
  5. 1.724 km NE of Greenfield, California · 14328 days ago · 0 km deep · 74 km away
  6. 2.54 km NW of Avenal, California · 14329 days ago · 12 km deep · 17 km away
  7. 1.73 km NW of Avenal, California · 14329 days ago · 12 km deep · 17 km away
  8. 1.94 km N of Avenal, California · 14329 days ago · 15 km deep · 17 km away
  9. 1.617 km NNW of Coalinga, California · 14329 days ago · 8 km deep · 20 km away
  10. 2.417 km NNW of Coalinga, California · 14329 days ago · 10 km deep · 20 km away
  11. 1.923 km ENE of Soledad, California · 14330 days ago · 5 km deep · 81 km away
  12. 1.924 km ENE of Greenfield, California · 14330 days ago · 5 km deep · 73 km away
  13. 2.221 km SSE of Tres Pinos, California · 14330 days ago · 4 km deep · 99 km away
  14. 1.522 km NE of Soledad, California · 14331 days ago · 2 km deep · 87 km away
  15. 1.922 km NE of San Lucas, California · 14332 days ago · 7 km deep · 53 km away
  16. 2.211 km SSW of Huron, California · 14332 days ago · 8 km deep · 13 km away
  17. 2.57 km SE of Parkfield, California · 14332 days ago · 4 km deep · 36 km away
  18. 1.91 km SSW of Avenal, California · 14333 days ago · 18 km deep · 22 km away
  19. 2.59 km WSW of Atascadero, California · 14334 days ago · 4 km deep · 88 km away
  20. 1.90 km SSE of Avenal, California · 14336 days ago · 20 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc103447. Read Mon, Oct 5, 2026, 4:00 AM UTC.