California earthquakes

M1.9 earthquake 1 km SSW of Avenal, California

A magnitude 1.9 earthquake struck 1 km SSW of Avenal, California on Wed, Jul 8, 1987, 3:57 PM PDT (22:57 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.5 7 km SE of Parkfield, California. This one was a foreshock.

Avenal 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
1987-07-08 22:57:02 UTC
Depth
18.0 km (11.2 mi), shallow
Epicenter
35.993° N, 120.134° 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, 1.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
185°, poorly surrounded by stations
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 79 in the 60 days after this one and 35 in the 30 days before it.

After

  1. 2.57 km SE of Parkfield, California · 14320 days ago · 4 km deep · 28 km away
  2. 2.211 km SSW of Huron, California · 14320 days ago · 8 km deep · 13 km away
  3. 1.922 km NE of San Lucas, California · 14319 days ago · 7 km deep · 72 km away
  4. 1.924 km ENE of Greenfield, California · 14318 days ago · 5 km deep · 93 km away
  5. 2.417 km NNW of Coalinga, California · 14317 days ago · 10 km deep · 42 km away
  6. 1.617 km NNW of Coalinga, California · 14317 days ago · 8 km deep · 42 km away
  7. 1.94 km N of Avenal, California · 14316 days ago · 15 km deep · 6 km away
  8. 1.73 km NW of Avenal, California · 14316 days ago · 12 km deep · 5 km away
  9. 2.54 km NW of Avenal, California · 14316 days ago · 12 km deep · 5 km away
  10. 1.724 km NE of Greenfield, California · 14316 days ago · 0 km deep · 94 km away
  11. 2.04 km NNE of Coalinga, California · 14314 days ago · 13 km deep · 28 km away
  12. 1.64 km NW of Parkfield, California · 14311 days ago · 4 km deep · 32 km away
  13. 1.87 km E of Coalinga, California · 14308 days ago · 5 km deep · 22 km away
  14. 2.311 km NE of Avenal, California · 14308 days ago · 8 km deep · 13 km away
  15. 1.724 km NE of King City, California · 14306 days ago · 5 km deep · 81 km away
  16. 2.81 km SSE of Oak Shores, California · 14306 days ago · 7 km deep · 80 km away
  17. 1.822 km NE of Shandon, California · 14305 days ago · 7 km deep · 22 km away
  18. 1.94 km NE of Coalinga, California · 14305 days ago · 11 km deep · 26 km away
  19. 2.0Central California · 14304 days ago · 4 km deep · 15 km away
  20. 1.69 km NNE of Lockwood, California · 14303 days ago · 11 km deep · 81 km away
  21. 2.49 km NE of Coalinga, California · 14303 days ago · 2 km deep · 26 km away
  22. 1.617 km NNW of Coalinga, California · 14302 days ago · 11 km deep · 41 km away
  23. 1.71 km SSE of Oak Shores, California · 14302 days ago · 7 km deep · 80 km away
  24. 1.618 km NW of Coalinga, California · 14300 days ago · 7 km deep · 44 km away
  25. 1.918 km NW of Coalinga, California · 14300 days ago · 7 km deep · 44 km away
  26. 1.71 km SSE of Oak Shores, California · 14299 days ago · 7 km deep · 80 km away
  27. 2.29 km N of Coalinga, California · 14298 days ago · 10 km deep · 33 km away
  28. 2.45 km NNE of Coalinga, California · 14296 days ago · 14 km deep · 28 km away
  29. 1.517 km N of Coalinga, California · 14296 days ago · 10 km deep · 41 km away
  30. 1.813 km N of Coalinga, California · 14296 days ago · 10 km deep · 36 km away
  31. 1.724 km NE of Greenfield, California · 14295 days ago · 7 km deep · 99 km away
  32. 1.52 km S of Oak Shores, California · 14294 days ago · 7 km deep · 81 km away
  33. 2.97 km NNE of Coalinga, California · 14294 days ago · 11 km deep · 29 km away
  34. 2.57 km NW of Parkfield, California · 14292 days ago · 10 km deep · 32 km away
  35. 2.02 km S of Oak Shores, California · 14291 days ago · 7 km deep · 81 km away
  36. 2.224 km NE of San Ardo, California · 14291 days ago · 8 km deep · 61 km away
  37. 1.741 km W of Three Rocks, California · 14290 days ago · 5 km deep · 89 km away
  38. 1.54 km NNE of Coalinga, California · 14289 days ago · 13 km deep · 27 km away
  39. 1.89 km NNW of Huron, California · 14289 days ago · 8 km deep · 32 km away
  40. 1.726 km SW of Firebaugh, California · 14289 days ago · 10 km deep · 96 km away
  41. 1.76 km ESE of San Lucas, California · 14288 days ago · 9 km deep · 75 km away
  42. 1.617 km NW of Coalinga, California · 14286 days ago · 8 km deep · 44 km away
  43. 1.813 km NE of Coalinga, California · 14285 days ago · 9 km deep · 29 km away
  44. 1.913 km NE of Coalinga, California · 14285 days ago · 8 km deep · 28 km away
  45. 2.413 km NE of Coalinga, California · 14285 days ago · 8 km deep · 29 km away
  46. 2.311 km NNE of Coalinga, California · 14284 days ago · 9 km deep · 33 km away
  47. 2.8Central California · 14283 days ago · 12 km deep · 52 km away
  48. 2.130 km ESE of Shandon, California · 14283 days ago · 10 km deep · 53 km away
  49. 2.730 km ESE of Shandon, California · 14283 days ago · 7 km deep · 53 km away
  50. 2.030 km ESE of Shandon, California · 14283 days ago · 8 km deep · 53 km away
  51. 2.230 km ESE of Shandon, California · 14283 days ago · 8 km deep · 53 km away
  52. 1.611 km SW of Huron, California · 14283 days ago · 11 km deep · 17 km away
  53. 2.125 km NE of Greenfield, California · 14283 days ago · 9 km deep · 94 km away
  54. 1.630 km ESE of Shandon, California · 14282 days ago · 10 km deep · 52 km away
  55. 1.65 km SSW of Huron, California · 14281 days ago · 5 km deep · 18 km away
  56. 2.122 km NE of San Lucas, California · 14281 days ago · 9 km deep · 69 km away
  57. 1.824 km NE of Greenfield, California · 14280 days ago · 1 km deep · 97 km away
  58. 1.68 km NNW of Huron, California · 14280 days ago · 5 km deep · 31 km away
  59. 2.06 km ENE of Coalinga, California · 14278 days ago · 7 km deep · 24 km away
  60. 1.712 km E of Coalinga, California · 14278 days ago · 11 km deep · 17 km away

The first 60 of 79.

Before

  1. 2.59 km WSW of Atascadero, California · 14322 days ago · 4 km deep · 82 km away
  2. 1.90 km SSE of Avenal, California · 14323 days ago · 20 km deep · 1 km away
  3. 1.83km S of Kettleman City, CA · 14323 days ago · 5 km deep · 16 km away
  4. 2.023 km NE of King City, California · 14324 days ago · 4 km deep · 83 km away
  5. 1.623 km NE of King City, California · 14325 days ago · 5 km deep · 87 km away
  6. 1.624 km NNE of King City, California · 14327 days ago · 5 km deep · 89 km away
  7. 1.72 km ENE of San Ardo, California · 14327 days ago · 10 km deep · 67 km away
  8. 1.57 km SSW of Avenal, California · 14331 days ago · 12 km deep · 6 km away
  9. 2.56 km ESE of La Vina, California · 14332 days ago · 9 km deep · 96 km away
  10. 2.111 km SW of Huron, California · 14333 days ago · 10 km deep · 15 km away
  11. 1.517 km NNW of Coalinga, California · 14335 days ago · 10 km deep · 42 km away
  12. 1.614 km W of Coalinga, California · 14335 days ago · 10 km deep · 38 km away
  13. 2.214 km NNE of Coalinga, California · 14335 days ago · 8 km deep · 35 km away
  14. 1.82 km SSE of Avenal, California · 14335 days ago · 13 km deep · 2 km away
  15. 1.83 km SE of Avenal, California · 14336 days ago · 15 km deep · 3 km away
  16. 2.128 km NW of Coalinga, California · 14336 days ago · 14 km deep · 54 km away
  17. 1.840 km ESE of Tres Pinos, California · 14336 days ago · 5 km deep · 100 km away
  18. 2.012 km N of Coalinga, California · 14336 days ago · 10 km deep · 36 km away
  19. 2.212 km SW of Huron, California · 14336 days ago · 7 km deep · 14 km away
  20. 2.912 km NNW of Avenal, California · 14336 days ago · 9 km deep · 13 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc102899 (also filed as ci725721). Read Tue, Sep 22, 2026, 9:39 PM UTC.