California earthquakes

M1.8 earthquake 5 km SSE of Avenal, California

A magnitude 1.8 earthquake struck 5 km SSE of Avenal, California on Sun, Sep 29, 1985, 11:11 AM PDT (18:11 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.5 2 km ENE of San Ardo, 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.

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The earthquake

Magnitude
1.8 (md), micro
Local time
UTC
1985-09-29 18:11:59 UTC
Depth
6.3 km (3.9 mi), shallow
Epicenter
35.962° N, 120.101° 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 0.6 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
199°, poorly surrounded by stations
Stations used
19

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 91 in the 30 days before it.

After

  1. 1.514 km NNE of Coalinga, California · 14974 days ago · 9 km deep · 39 km away
  2. 2.613 km NNE of Coalinga, California · 14974 days ago · 9 km deep · 39 km away
  3. 1.79 km SE of Avenal, California · 14974 days ago · 10 km deep · 4 km away
  4. 1.94 km SSE of Avenal, California · 14974 days ago · 7 km deep · 2 km away
  5. 2.27 km NNW of Avenal, California · 14973 days ago · 11 km deep · 13 km away
  6. 2.010 km E of Coalinga, California · 14973 days ago · 6 km deep · 22 km away
  7. 2.49 km W of Templeton, California · 14973 days ago · 4 km deep · 80 km away
  8. 1.63 km NE of Avenal, California · 14972 days ago · 20 km deep · 7 km away
  9. 1.512 km NE of Coalinga, California · 14971 days ago · 13 km deep · 33 km away
  10. 1.711 km ENE of Coalinga, California · 14970 days ago · 12 km deep · 28 km away
  11. 2.911 km ENE of Coalinga, California · 14970 days ago · 12 km deep · 29 km away
  12. 1.911 km ENE of Coalinga, California · 14970 days ago · 13 km deep · 28 km away
  13. 1.97 km NNW of Avenal, California · 14970 days ago · 12 km deep · 13 km away
  14. 1.97 km NNW of Avenal, California · 14970 days ago · 11 km deep · 13 km away
  15. 2.09 km ENE of Coalinga, California · 14970 days ago · 12 km deep · 29 km away
  16. 1.619 km S of Three Rocks, California · 14969 days ago · 7 km deep · 48 km away
  17. 1.81 km WSW of Coalinga, California · 14969 days ago · 12 km deep · 31 km away
  18. 1.622 km NE of San Ardo, California · 14968 days ago · 4 km deep · 60 km away
  19. 1.912 km NE of Coalinga, California · 14968 days ago · 12 km deep · 32 km away
  20. 1.54 km NNE of Coalinga, California · 14967 days ago · 14 km deep · 32 km away
  21. 1.714 km N of Coalinga, California · 14967 days ago · 9 km deep · 41 km away
  22. 2.523 km NE of San Lucas, California · 14966 days ago · 10 km deep · 76 km away
  23. 1.610 km NE of Avenal, California · 14966 days ago · 8 km deep · 13 km away
  24. 1.7Central California · 14966 days ago · 0 km deep · 45 km away
  25. 1.610 km NNW of Avenal, California · 14966 days ago · 6 km deep · 16 km away
  26. 1.67 km NE of Coalinga, California · 14965 days ago · 9 km deep · 30 km away
  27. 4.011 km ENE of Coalinga, California · 14965 days ago · 13 km deep · 28 km away
  28. 1.711 km ENE of Coalinga, California · 14965 days ago · 4 km deep · 26 km away
  29. 1.89 km ENE of Coalinga, California · 14965 days ago · 7 km deep · 26 km away
  30. 2.311 km ENE of Coalinga, California · 14965 days ago · 11 km deep · 27 km away
  31. 1.711 km ENE of Coalinga, California · 14965 days ago · 10 km deep · 28 km away
  32. 1.510 km NE of Coalinga, California · 14965 days ago · 14 km deep · 31 km away
  33. 1.711 km ENE of Coalinga, California · 14965 days ago · 10 km deep · 27 km away
  34. 2.110 km ENE of Coalinga, California · 14965 days ago · 12 km deep · 28 km away
  35. 1.610 km ENE of Coalinga, California · 14964 days ago · 10 km deep · 28 km away
  36. 2.110 km NNE of Avenal, California · 14963 days ago · 7 km deep · 14 km away
  37. 1.610 km S of Huron, California · 14963 days ago · 8 km deep · 16 km away
  38. 1.612 km SW of Huron, California · 14963 days ago · 9 km deep · 19 km away
  39. 1.710 km S of Huron, California · 14963 days ago · 8 km deep · 16 km away
  40. 2.711 km E of Coalinga, California · 14963 days ago · 9 km deep · 24 km away
  41. 2.05 km S of Huron, California · 14963 days ago · 6 km deep · 22 km away
  42. 2.27 km NE of Avenal, California · 14961 days ago · 9 km deep · 10 km away
  43. 1.99 km S of Huron, California · 14961 days ago · 8 km deep · 17 km away
  44. 1.98 km SSW of Huron, California · 14961 days ago · 9 km deep · 20 km away
  45. 1.99 km NNW of Avenal, California · 14960 days ago · 3 km deep · 15 km away
  46. 1.817 km S of Cantua Creek, California · 14959 days ago · 22 km deep · 47 km away
  47. 1.523 km NE of San Ardo, California · 14958 days ago · 7 km deep · 63 km away
  48. 2.311 km NW of Coalinga, California · 14958 days ago · 6 km deep · 42 km away
  49. 1.52 km SW of Avenal, California · 14958 days ago · 12 km deep · 5 km away
  50. 2.02 km S of Avenal, California · 14957 days ago · 14 km deep · 3 km away
  51. 2.14 km SSW of Monmouth, California · 14957 days ago · 4 km deep · 70 km away
  52. 2.415 km N of Coalinga, California · 14956 days ago · 9 km deep · 40 km away
  53. 1.710 km NE of Coalinga, California · 14956 days ago · 10 km deep · 32 km away
  54. 1.99 km NE of Coalinga, California · 14954 days ago · 10 km deep · 30 km away
  55. 2.23 km N of Avenal, California · 14952 days ago · 0 km deep · 8 km away
  56. 1.99 km S of Oak Shores, California · 14952 days ago · 4 km deep · 86 km away
  57. 1.87 km S of Huron, California · 14951 days ago · 6 km deep · 19 km away
  58. 1.56 km NE of Coalinga, California · 14951 days ago · 9 km deep · 30 km away
  59. 3.18 km SE of Huron, California · 14950 days ago · 8 km deep · 23 km away
  60. 1.59 km SSE of Huron, California · 14949 days ago · 16 km deep · 18 km away

The first 60 of 159.

Before

  1. 1.515 km N of Coalinga, California · 14975 days ago · 8 km deep · 40 km away
  2. 1.69 km NE of Coalinga, California · 14976 days ago · 10 km deep · 31 km away
  3. 2.78 km N of Avenal, California · 14976 days ago · 5 km deep · 14 km away
  4. 1.83 km NE of Avenal, California · 14977 days ago · 7 km deep · 8 km away
  5. 3.010 km WNW of Templeton, California · 14978 days ago · 6 km deep · 76 km away
  6. 1.614 km N of Coalinga, California · 14978 days ago · 9 km deep · 43 km away
  7. 1.85 km WSW of Huron, California · 14979 days ago · 5 km deep · 24 km away
  8. 1.69 km SSW of Huron, California · 14979 days ago · 5 km deep · 18 km away
  9. 1.710 km NNE of Oak Shores, California · 14979 days ago · 6 km deep · 76 km away
  10. 2.15 km ENE of Avenal, California · 14980 days ago · 11 km deep · 8 km away
  11. 1.68 km SW of Huron, California · 14981 days ago · 7 km deep · 21 km away
  12. 1.86 km NNE of Kettleman City, California · 14981 days ago · 11 km deep · 18 km away
  13. 1.57 km W of Kettleman City, California · 14981 days ago · 9 km deep · 8 km away
  14. 2.010 km NE of Coalinga, California · 14981 days ago · 8 km deep · 29 km away
  15. 2.17 km WNW of Kettleman City, California · 14981 days ago · 9 km deep · 10 km away
  16. 1.62 km SSE of Avenal, California · 14981 days ago · 14 km deep · 3 km away
  17. 1.75 km SSW of Huron, California · 14981 days ago · 1 km deep · 22 km away
  18. 2.26 km ENE of Avenal, California · 14982 days ago · 10 km deep · 7 km away
  19. 1.7Central California · 14982 days ago · 8 km deep · 38 km away
  20. 2.110 km N of Coalinga, California · 14982 days ago · 8 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc55987 (also filed as ci120812). Read Tue, Sep 29, 2026, 2:38 AM UTC.