California earthquakes

M1.7 earthquake 26 km SW of Firebaugh, California

A magnitude 1.7 earthquake struck 26 km SW of Firebaugh, California on Sun, Aug 9, 1987, 9:04 PM PDT (04:04 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 22 km NE of San Ardo, California. This one was a foreshock.

Firebaugh 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-08-10 04:04:56 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
36.724° N, 120.705° 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 1.9 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
172°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 118 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 1.76 km ESE of San Lucas, California · 14296 days ago · 9 km deep · 71 km away
  2. 1.93 km S of San Juan Bautista, California · 14296 days ago · 6 km deep · 75 km away
  3. 1.610 km NNW of Hollister, California · 14296 days ago · 4 km deep · 69 km away
  4. 2.11 km SSE of Tres Pinos, California · 14296 days ago · 8 km deep · 55 km away
  5. 1.617 km NW of Coalinga, California · 14294 days ago · 8 km deep · 54 km away
  6. 1.813 km NE of Coalinga, California · 14293 days ago · 9 km deep · 68 km away
  7. 1.913 km NE of Coalinga, California · 14293 days ago · 8 km deep · 68 km away
  8. 2.413 km NE of Coalinga, California · 14293 days ago · 8 km deep · 67 km away
  9. 1.821 km NE of Soledad, California · 14293 days ago · 6 km deep · 44 km away
  10. 2.311 km NNE of Coalinga, California · 14293 days ago · 9 km deep · 63 km away
  11. 2.68 km NE of Interlaken, California · 14292 days ago · 7 km deep · 91 km away
  12. 1.611 km SW of Huron, California · 14291 days ago · 11 km deep · 80 km away
  13. 1.95 km SE of Tres Pinos, California · 14291 days ago · 8 km deep · 51 km away
  14. 2.125 km NE of Greenfield, California · 14291 days ago · 9 km deep · 41 km away
  15. 2.221 km NE of Soledad, California · 14290 days ago · 5 km deep · 45 km away
  16. 2.021 km NE of Soledad, California · 14290 days ago · 5 km deep · 45 km away
  17. 1.917 km WSW of Soledad, California · 14290 days ago · 9 km deep · 83 km away
  18. 1.65 km SSW of Huron, California · 14290 days ago · 5 km deep · 83 km away
  19. 2.923 km NE of Soledad, California · 14290 days ago · 5 km deep · 42 km away
  20. 2.122 km NE of San Lucas, California · 14289 days ago · 9 km deep · 53 km away
  21. 1.824 km NE of Greenfield, California · 14288 days ago · 1 km deep · 41 km away
  22. 1.68 km NNW of Huron, California · 14288 days ago · 5 km deep · 72 km away
  23. 1.623 km NE of Soledad, California · 14288 days ago · 4 km deep · 42 km away
  24. 2.06 km ENE of Coalinga, California · 14286 days ago · 7 km deep · 72 km away
  25. 2.021 km NE of Soledad, California · 14286 days ago · 2 km deep · 44 km away
  26. 1.712 km E of Coalinga, California · 14286 days ago · 11 km deep · 79 km away
  27. 1.53 km WSW of Hollister, California · 14286 days ago · 9 km deep · 66 km away
  28. 2.120 km SSW of Three Rocks, California · 14285 days ago · 9 km deep · 51 km away
  29. 1.57 km NNE of Avenal, California · 14285 days ago · 8 km deep · 92 km away
  30. 1.65 km ENE of Hollister, California · 14284 days ago · 5 km deep · 59 km away
  31. 1.824 km NE of Greenfield, California · 14284 days ago · 6 km deep · 42 km away
  32. 2.022 km NNE of Soledad, California · 14284 days ago · 8 km deep · 47 km away
  33. 3.26 km ESE of Catheys Valley, California · 14283 days ago · 3 km deep · 98 km away
  34. 2.62 km NW of Avenal, California · 14283 days ago · 15 km deep · 93 km away
  35. 1.81 km WNW of Avenal, California · 14282 days ago · 13 km deep · 93 km away
  36. 3.818 km SW of Gustine, California · 14281 days ago · 0 km deep · 62 km away
  37. 2.023 km NE of San Lucas, California · 14281 days ago · 7 km deep · 51 km away
  38. 2.810 km N of Coalinga, California · 14281 days ago · 10 km deep · 62 km away
  39. 2.38 km S of Huron, California · 14281 days ago · 6 km deep · 85 km away
  40. 1.62 km SW of Ridgemark, California · 14280 days ago · 8 km deep · 61 km away
  41. 1.912 km S of Tres Pinos, California · 14280 days ago · 3 km deep · 53 km away
  42. 2.38 km W of Huron, California · 14280 days ago · 15 km deep · 74 km away
  43. 1.518 km SW of Gustine, California · 14280 days ago · 0 km deep · 62 km away
  44. 2.312 km NW of Parkfield, California · 14278 days ago · 10 km deep · 84 km away
  45. 1.512 km SW of Huron, California · 14278 days ago · 13 km deep · 81 km away
  46. 1.7Central California · 14278 days ago · 11 km deep · 44 km away
  47. 2.04 km S of San Juan Bautista, California · 14278 days ago · 7 km deep · 74 km away
  48. 2.9Central California · 14278 days ago · 6 km deep · 54 km away
  49. 1.94 km S of San Juan Bautista, California · 14278 days ago · 7 km deep · 74 km away
  50. 2.311 km SSW of Three Rocks, California · 14277 days ago · 10 km deep · 43 km away
  51. 2.032 km WNW of Three Rocks, California · 14275 days ago · 7 km deep · 13 km away
  52. 1.81 km NW of Three Rocks, California · 14274 days ago · 5 km deep · 36 km away
  53. 1.67 km NE of Hollister, California · 14274 days ago · 6 km deep · 61 km away
  54. 2.218 km SSE of Tres Pinos, California · 14274 days ago · 6 km deep · 50 km away
  55. 1.823 km NNE of San Lucas, California · 14274 days ago · 6 km deep · 48 km away
  56. 2.017 km SSE of Tres Pinos, California · 14271 days ago · 4 km deep · 50 km away
  57. 1.63 km SSW of Hollister, California · 14268 days ago · 6 km deep · 64 km away
  58. 2.51 km ENE of Tres Pinos, California · 14267 days ago · 9 km deep · 54 km away
  59. 1.823 km NW of Parkfield, California · 14267 days ago · 6 km deep · 75 km away
  60. 1.823 km SE of Tres Pinos, California · 14267 days ago · 7 km deep · 43 km away

The first 60 of 118.

Before

  1. 1.610 km SW of Ridgemark, California · 14297 days ago · 7 km deep · 66 km away
  2. 1.89 km NNW of Huron, California · 14298 days ago · 8 km deep · 70 km away
  3. 1.54 km NNE of Coalinga, California · 14298 days ago · 13 km deep · 69 km away
  4. 1.741 km W of Three Rocks, California · 14298 days ago · 5 km deep · 24 km away
  5. 2.224 km NE of San Ardo, California · 14299 days ago · 8 km deep · 58 km away
  6. 2.57 km NW of Parkfield, California · 14300 days ago · 10 km deep · 89 km away
  7. 1.75 km NNE of Tres Pinos, California · 14301 days ago · 4 km deep · 54 km away
  8. 2.68 km NE of San Martin, California · 14302 days ago · 8 km deep · 86 km away
  9. 2.97 km NNE of Coalinga, California · 14302 days ago · 11 km deep · 67 km away
  10. 1.921 km NE of Soledad, California · 14302 days ago · 6 km deep · 44 km away
  11. 1.724 km NE of Greenfield, California · 14303 days ago · 7 km deep · 42 km away
  12. 1.813 km N of Coalinga, California · 14304 days ago · 10 km deep · 60 km away
  13. 1.517 km N of Coalinga, California · 14304 days ago · 10 km deep · 56 km away
  14. 2.45 km NNE of Coalinga, California · 14304 days ago · 14 km deep · 68 km away
  15. 2.29 km N of Coalinga, California · 14306 days ago · 10 km deep · 63 km away
  16. 1.812 km S of Tres Pinos, California · 14307 days ago · 6 km deep · 54 km away
  17. 1.89 km SE of San Juan Bautista, California · 14308 days ago · 7 km deep · 69 km away
  18. 1.918 km NW of Coalinga, California · 14308 days ago · 7 km deep · 54 km away
  19. 1.618 km NW of Coalinga, California · 14308 days ago · 7 km deep · 54 km away
  20. 1.617 km NNW of Coalinga, California · 14310 days ago · 11 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc104351. Read Thu, Oct 1, 2026, 3:17 AM UTC.