California earthquakes

M1.7 earthquake 24 km NE of Greenfield, California

A magnitude 1.7 earthquake struck 24 km NE of Greenfield, California on Fri, Apr 10, 1987, 11:28 PM PDT (06:28 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M1.7 37 km NE of Greenfield, California. This one was a foreshock.

Greenfield 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
1987-04-11 06:28:04 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
36.470° N, 121.047° 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, 0.7 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
71°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 44 in the 30 days before it.

After

  1. 1.66 km NNE of Tres Pinos, California · 14408 days ago · 4 km deep · 47 km away
  2. 1.737 km NE of Greenfield, California · 14408 days ago · 13 km deep · 14 km away
  3. 2.715 km NW of Parkfield, California · 14407 days ago · 5 km deep · 68 km away
  4. 1.925 km NE of King City, California · 14407 days ago · 1 km deep · 10 km away
  5. 3.02 km W of Hollister, California · 14407 days ago · 5 km deep · 54 km away
  6. 2.29 km NNW of Coalinga, California · 14407 days ago · 6 km deep · 63 km away
  7. 3.111 km SW of Lake Nacimiento, California · 14406 days ago · 4 km deep · 92 km away
  8. 1.6Central California · 14406 days ago · 9 km deep · 11 km away
  9. 2.09 km NNE of Coalinga, California · 14405 days ago · 9 km deep · 72 km away
  10. 2.122 km ENE of Soledad, California · 14404 days ago · 8 km deep · 9 km away
  11. 1.85 km ENE of Hollister, California · 14403 days ago · 7 km deep · 53 km away
  12. 1.622 km ENE of San Ardo, California · 14403 days ago · 3 km deep · 53 km away
  13. 1.623 km NE of San Ardo, California · 14402 days ago · 7 km deep · 40 km away
  14. 3.128 km SE of Tres Pinos, California · 14402 days ago · 8 km deep · 16 km away
  15. 3.022 km NE of San Lucas, California · 14402 days ago · 9 km deep · 30 km away
  16. 2.822 km NE of San Lucas, California · 14402 days ago · 9 km deep · 31 km away
  17. 1.721 km NE of San Lucas, California · 14402 days ago · 8 km deep · 31 km away
  18. 2.822 km NE of San Lucas, California · 14402 days ago · 9 km deep · 31 km away
  19. 1.621 km NE of San Lucas, California · 14402 days ago · 7 km deep · 31 km away
  20. 1.95 km NNE of Coalinga, California · 14401 days ago · 8 km deep · 72 km away
  21. 1.617 km NNE of Soledad, California · 14401 days ago · 11 km deep · 22 km away
  22. 2.01 km W of Tres Pinos, California · 14401 days ago · 4 km deep · 44 km away
  23. 2.78 km NE of San Martin, California · 14401 days ago · 7 km deep · 85 km away
  24. 1.810 km ENE of Coalinga, California · 14400 days ago · 9 km deep · 79 km away
  25. 1.524 km NE of Greenfield, California · 14400 days ago · 0 km deep · 1 km away
  26. 1.84 km N of Coalinga, California · 14400 days ago · 12 km deep · 70 km away
  27. 1.75 km ENE of Hollister, California · 14400 days ago · 7 km deep · 53 km away
  28. 2.017 km S of Big Sur, California · 14399 days ago · 12 km deep · 78 km away
  29. 1.935 km W of Lockwood, California · 14399 days ago · 11 km deep · 67 km away
  30. 1.921 km NNE of Soledad, California · 14398 days ago · 6 km deep · 19 km away
  31. 1.621 km NE of Soledad, California · 14398 days ago · 2 km deep · 15 km away
  32. 2.221 km NNE of Soledad, California · 14398 days ago · 6 km deep · 19 km away
  33. 2.123 km NE of San Ardo, California · 14397 days ago · 7 km deep · 40 km away
  34. 2.123 km NNE of San Lucas, California · 14396 days ago · 5 km deep · 24 km away
  35. 2.82 km SW of Ridgemark, California · 14394 days ago · 13 km deep · 47 km away
  36. 2.3Central California · 14394 days ago · 4 km deep · 58 km away
  37. 2.421 km NW of Parkfield, California · 14394 days ago · 4 km deep · 63 km away
  38. 2.025 km NE of Soledad, California · 14393 days ago · 9 km deep · 13 km away
  39. 1.63 km NNE of Pacific Grove, California · 14393 days ago · 11 km deep · 79 km away
  40. 2.28 km SE of Huron, California · 14393 days ago · 7 km deep · 96 km away
  41. 1.89 km E of Coalinga, California · 14393 days ago · 5 km deep · 80 km away
  42. 2.214 km ESE of Cantua Creek, California · 14392 days ago · 10 km deep · 79 km away
  43. 2.711 km NW of Parkfield, California · 14392 days ago · 11 km deep · 73 km away
  44. 2.65 km NNE of Coalinga, California · 14391 days ago · 15 km deep · 71 km away
  45. 1.621 km SE of Big Sur, California · 14391 days ago · 10 km deep · 62 km away
  46. 2.85 km NNE of Tres Pinos, California · 14391 days ago · 8 km deep · 46 km away
  47. 1.811 km SW of Huron, California · 14391 days ago · 8 km deep · 85 km away
  48. 1.94 km S of San Juan Bautista, California · 14390 days ago · 7 km deep · 57 km away
  49. 1.8Central California · 14390 days ago · 17 km deep · 38 km away
  50. 1.8Central California · 14390 days ago · 7 km deep · 49 km away
  51. 4.15 km NNE of Tres Pinos, California · 14390 days ago · 8 km deep · 46 km away
  52. 1.94 km NE of Tres Pinos, California · 14390 days ago · 7 km deep · 45 km away
  53. 3.15 km NNE of Tres Pinos, California · 14390 days ago · 8 km deep · 46 km away
  54. 2.810 km N of Coalinga, California · 14389 days ago · 11 km deep · 67 km away
  55. 1.913 km NW of Avenal, California · 14388 days ago · 5 km deep · 85 km away
  56. 1.618 km SSE of Tres Pinos, California · 14388 days ago · 6 km deep · 26 km away
  57. 1.94 km NE of Tres Pinos, California · 14388 days ago · 8 km deep · 45 km away
  58. 2.05 km NNE of Tres Pinos, California · 14388 days ago · 8 km deep · 46 km away
  59. 1.65 km SW of Gilroy, California · 14387 days ago · 3 km deep · 74 km away
  60. 2.34 km SSE of San Juan Bautista, California · 14387 days ago · 7 km deep · 57 km away

The first 60 of 142.

Before

  1. 1.718 km NNW of Coalinga, California · 14411 days ago · 9 km deep · 58 km away
  2. 1.523 km NE of Greenfield, California · 14412 days ago · 10 km deep · 1 km away
  3. 2.723 km ENE of Soledad, California · 14412 days ago · 5 km deep · 6 km away
  4. 2.09 km SSW of Tres Pinos, California · 14412 days ago · 3 km deep · 39 km away
  5. 1.524 km NE of Greenfield, California · 14413 days ago · 6 km deep · 0 km away
  6. 2.017 km NNE of Coalinga, California · 14414 days ago · 6 km deep · 68 km away
  7. 2.017 km NNE of Coalinga, California · 14414 days ago · 6 km deep · 70 km away
  8. 2.316 km N of Coalinga, California · 14414 days ago · 5 km deep · 66 km away
  9. 1.8Central California · 14414 days ago · 6 km deep · 69 km away
  10. 2.117 km NNE of Coalinga, California · 14414 days ago · 6 km deep · 70 km away
  11. 2.610 km S of Tres Pinos, California · 14414 days ago · 4 km deep · 36 km away
  12. 2.910 km S of Tres Pinos, California · 14414 days ago · 4 km deep · 36 km away
  13. 2.324 km NE of Greenfield, California · 14415 days ago · 2 km deep · 1 km away
  14. 2.47 km SW of Huron, California · 14416 days ago · 8 km deep · 86 km away
  15. 1.89 km E of Coalinga, California · 14417 days ago · 11 km deep · 81 km away
  16. 2.29 km E of Coalinga, California · 14417 days ago · 11 km deep · 80 km away
  17. 1.66 km ENE of Hollister, California · 14417 days ago · 9 km deep · 52 km away
  18. 1.86 km S of Tres Pinos, California · 14417 days ago · 8 km deep · 38 km away
  19. 1.59 km NE of Coalinga, California · 14417 days ago · 13 km deep · 73 km away
  20. 2.0Central California · 14418 days ago · 17 km deep · 84 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc98352. Read Tue, Sep 22, 2026, 11:18 AM UTC.