California earthquakes

M1.9 earthquake 12 km NW of Coalinga, California

A magnitude 1.9 earthquake struck 12 km NW of Coalinga, California on Fri, Dec 28, 1984, 11:01 PM PST (07:01 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.3 7 km NE of Coalinga, 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
1.9 (md), micro
Local time
UTC
1984-12-29 07:01:56 UTC
Depth
2.6 km (1.6 mi), shallow
Epicenter
36.215° N, 120.461° 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 0.3 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
94°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 159 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 1.716 km NNW of Coalinga, California · 15242 days ago · 8 km deep · 9 km away
  2. 1.624 km ENE of Greenfield, California · 15239 days ago · 6 km deep · 55 km away
  3. 3.37 km NE of Coalinga, California · 15237 days ago · 11 km deep · 14 km away
  4. 3.17 km NE of Coalinga, California · 15237 days ago · 10 km deep · 14 km away
  5. 3.87 km NE of Coalinga, California · 15237 days ago · 11 km deep · 14 km away
  6. 1.87 km NE of Coalinga, California · 15237 days ago · 11 km deep · 14 km away
  7. 1.87 km N of Coalinga, California · 15237 days ago · 12 km deep · 10 km away
  8. 2.47 km NE of Coalinga, California · 15237 days ago · 10 km deep · 15 km away
  9. 1.711 km ENE of Coalinga, California · 15237 days ago · 9 km deep · 21 km away
  10. 1.625 km W of Three Rocks, California · 15237 days ago · 0 km deep · 37 km away
  11. 1.65 km E of Coalinga, California · 15237 days ago · 14 km deep · 17 km away
  12. 1.939 km ENE of Soledad, California · 15237 days ago · 6 km deep · 59 km away
  13. 3.00 km WSW of Parkfield, California · 15236 days ago · 5 km deep · 35 km away
  14. 1.69 km ENE of Coalinga, California · 15236 days ago · 10 km deep · 17 km away
  15. 1.511 km ENE of Coalinga, California · 15236 days ago · 10 km deep · 20 km away
  16. 2.424 km NE of King City, California · 15235 days ago · 10 km deep · 46 km away
  17. 1.524 km WNW of Three Rocks, California · 15235 days ago · 7 km deep · 45 km away
  18. 1.811 km NNW of Coalinga, California · 15234 days ago · 11 km deep · 7 km away
  19. 3.522 km NNE of Soledad, California · 15234 days ago · 9 km deep · 80 km away
  20. 1.612 km W of Oak Shores, California · 15234 days ago · 5 km deep · 76 km away
  21. 2.423 km NE of King City, California · 15233 days ago · 6 km deep · 49 km away
  22. 2.124 km NE of Greenfield, California · 15233 days ago · 5 km deep · 60 km away
  23. 1.822 km NNE of Soledad, California · 15233 days ago · 8 km deep · 79 km away
  24. 2.422 km NNE of Soledad, California · 15232 days ago · 8 km deep · 79 km away
  25. 1.625 km ENE of Greenfield, California · 15232 days ago · 2 km deep · 56 km away
  26. 1.624 km ENE of Greenfield, California · 15232 days ago · 2 km deep · 56 km away
  27. 1.612 km NNW of Coalinga, California · 15232 days ago · 11 km deep · 5 km away
  28. 1.523 km NE of King City, California · 15232 days ago · 5 km deep · 48 km away
  29. 1.910 km NE of Coalinga, California · 15231 days ago · 5 km deep · 16 km away
  30. 2.6Central California · 15231 days ago · 7 km deep · 24 km away
  31. 2.4Central California · 15231 days ago · 10 km deep · 20 km away
  32. 2.127 km ENE of San Lucas, California · 15230 days ago · 9 km deep · 27 km away
  33. 1.712 km NNW of Coalinga, California · 15230 days ago · 5 km deep · 5 km away
  34. 2.414 km NNW of Coalinga, California · 15229 days ago · 2 km deep · 5 km away
  35. 1.819 km NW of San Simeon, California · 15229 days ago · 9 km deep · 94 km away
  36. 1.623 km NE of King City, California · 15229 days ago · 6 km deep · 49 km away
  37. 1.814 km N of Coalinga, California · 15227 days ago · 8 km deep · 10 km away
  38. 1.9Central California · 15226 days ago · 10 km deep · 19 km away
  39. 2.414 km NW of Coalinga, California · 15226 days ago · 4 km deep · 2 km away
  40. 1.716 km N of Coalinga, California · 15226 days ago · 9 km deep · 10 km away
  41. 2.215 km NW of Coalinga, California · 15226 days ago · 2 km deep · 3 km away
  42. 2.014 km NNE of Coalinga, California · 15225 days ago · 9 km deep · 14 km away
  43. 2.122 km NNE of Soledad, California · 15225 days ago · 8 km deep · 80 km away
  44. 1.721 km NNE of Soledad, California · 15225 days ago · 8 km deep · 79 km away
  45. 2.112 km NW of Coalinga, California · 15224 days ago · 2 km deep · 0 km away
  46. 2.324 km NE of Greenfield, California · 15222 days ago · 7 km deep · 59 km away
  47. 1.812 km NNW of Coalinga, California · 15222 days ago · 11 km deep · 5 km away
  48. 1.86 km NE of Coalinga, California · 15221 days ago · 7 km deep · 15 km away
  49. 1.623 km ENE of San Lucas, California · 15220 days ago · 5 km deep · 29 km away
  50. 1.811 km W of Avenal, California · 15220 days ago · 8 km deep · 30 km away
  51. 1.623 km NE of King City, California · 15219 days ago · 6 km deep · 49 km away
  52. 2.619 km SE of Tres Pinos, California · 15219 days ago · 5 km deep · 81 km away
  53. 2.220 km SE of Tres Pinos, California · 15219 days ago · 5 km deep · 81 km away
  54. 1.720 km SE of Tres Pinos, California · 15218 days ago · 5 km deep · 81 km away
  55. 1.610 km ENE of Tres Pinos, California · 15218 days ago · 7 km deep · 94 km away
  56. 1.516 km S of Three Rocks, California · 15218 days ago · 15 km deep · 17 km away
  57. 1.619 km S of Cantua Creek, California · 15218 days ago · 14 km deep · 17 km away
  58. 1.619 km SSE of Tres Pinos, California · 15218 days ago · 5 km deep · 81 km away
  59. 1.619 km N of Coalinga, California · 15218 days ago · 12 km deep · 15 km away
  60. 1.519 km SSE of Tres Pinos, California · 15217 days ago · 5 km deep · 81 km away

The first 60 of 159.

Before

  1. 2.611 km NW of Coalinga, California · 15242 days ago · 5 km deep · 1 km away
  2. 2.114 km N of Coalinga, California · 15243 days ago · 9 km deep · 11 km away
  3. 1.99 km SSW of Oak Shores, California · 15245 days ago · 5 km deep · 78 km away
  4. 1.611 km ENE of Coalinga, California · 15245 days ago · 10 km deep · 20 km away
  5. 2.18 km NE of Coalinga, California · 15246 days ago · 8 km deep · 15 km away
  6. 1.920 km SW of Three Rocks, California · 15246 days ago · 13 km deep · 20 km away
  7. 1.69 km SSW of Oak Shores, California · 15246 days ago · 5 km deep · 77 km away
  8. 2.2Central California · 15246 days ago · 10 km deep · 8 km away
  9. 2.19 km SSW of Oak Shores, California · 15247 days ago · 5 km deep · 77 km away
  10. 1.59 km SSW of Oak Shores, California · 15247 days ago · 4 km deep · 77 km away
  11. 1.520 km NW of Parkfield, California · 15247 days ago · 8 km deep · 23 km away
  12. 2.111 km SSW of Stratford, California · 15247 days ago · 19 km deep · 55 km away
  13. 1.540 km NE of Greenfield, California · 15247 days ago · 4 km deep · 51 km away
  14. 1.738 km W of Three Rocks, California · 15248 days ago · 2 km deep · 49 km away
  15. 2.021 km NNE of Soledad, California · 15248 days ago · 8 km deep · 78 km away
  16. 3.021 km NNE of Soledad, California · 15248 days ago · 9 km deep · 79 km away
  17. 1.99 km SSE of Cantua Creek, California · 15249 days ago · 0 km deep · 27 km away
  18. 1.517 km NW of Parkfield, California · 15250 days ago · 5 km deep · 25 km away
  19. 3.022 km ENE of Soledad, California · 15250 days ago · 6 km deep · 68 km away
  20. 2.19km N of Simmler, CA · 15251 days ago · 6 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc35682 (also filed as ci57607). Read Tue, Sep 22, 2026, 11:19 AM UTC.