California earthquakes

M2.0 earthquake 2km NE of Colton, CA

A magnitude 2.0 earthquake struck 2km NE of Colton, CA on Wed, Oct 9, 1985, 12:40 AM PDT (07:40 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.6 4km SSE of Pearblossum, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.0 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-10-09 07:40:47 UTC
Depth
11.9 km (7.4 mi), shallow
Epicenter
34.087° N, 117.293° 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.

Depth from
From location
Station coverage gap
92°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 178 in the 30 days before it.

After

  1. 1.57km E of Big Bear City, CA · 14969 days ago · 1 km deep · 52 km away
  2. 1.92km SE of Loma Linda, CA · 14969 days ago · 14 km deep · 7 km away
  3. 1.910km WNW of Big Bear Lake, CA · 14969 days ago · 6 km deep · 32 km away
  4. 1.81km NNE of Loma Linda, CA · 14968 days ago · 13 km deep · 5 km away
  5. 1.511km S of Idyllwild, CA · 14968 days ago · 17 km deep · 72 km away
  6. 1.69km SW of Idyllwild, CA · 14968 days ago · 13 km deep · 65 km away
  7. 2.37km ESE of Yucaipa, CA · 14968 days ago · 8 km deep · 31 km away
  8. 1.63km E of Lytle Creek, CA · 14968 days ago · 11 km deep · 25 km away
  9. 2.414km NNE of Lake Arrowhead, CA · 14968 days ago · 4 km deep · 34 km away
  10. 1.713km NNE of Lake Arrowhead, CA · 14968 days ago · 2 km deep · 34 km away
  11. 2.014km NNE of Lake Arrowhead, CA · 14967 days ago · 3 km deep · 34 km away
  12. 2.713km NNE of Lake Arrowhead, CA · 14967 days ago · 1 km deep · 33 km away
  13. 1.618km ESE of Anza, CA · 14967 days ago · 14 km deep · 99 km away
  14. 1.717km ESE of Anza, CA · 14967 days ago · 15 km deep · 99 km away
  15. 1.711km NNE of Running Springs, CA · 14967 days ago · 8 km deep · 32 km away
  16. 1.811km WSW of Anza, CA · 14967 days ago · 1 km deep · 78 km away
  17. 1.88km W of Big Bear Lake, CA · 14966 days ago · 5 km deep · 33 km away
  18. 2.513km NNE of Lake Arrowhead, CA · 14966 days ago · 1 km deep · 33 km away
  19. 2.38km ESE of Morongo Valley, CA · 14966 days ago · 10 km deep · 73 km away
  20. 2.010km NNE of Trabuco Canyon, CA · 14966 days ago · 7 km deep · 44 km away
  21. 1.92km S of Loma Linda, CA · 14966 days ago · 15 km deep · 7 km away
  22. 1.90km SSW of Hawthorne, CA · 14965 days ago · 5 km deep · 100 km away
  23. 1.910km NNW of Cabazon, CA · 14965 days ago · 17 km deep · 45 km away
  24. 1.74km ESE of Lucerne Valley, CA · 14965 days ago · 9 km deep · 51 km away
  25. 1.62km N of Cabazon, CA · 14964 days ago · 17 km deep · 50 km away
  26. 2.110km S of Valle Vista, CA · 14964 days ago · 13 km deep · 60 km away
  27. 1.64km S of Garnet, CA · 14964 days ago · 12 km deep · 73 km away
  28. 2.416km NE of Lucerne Valley, CA · 14964 days ago · -1 km deep · 65 km away
  29. 1.69km S of Idyllwild, CA · 14964 days ago · 13 km deep · 70 km away
  30. 2.07km ESE of Running Springs, CA · 14964 days ago · 8 km deep · 26 km away
  31. 1.68km SSW of Idyllwild, CA · 14964 days ago · 13 km deep · 68 km away
  32. 1.511km WSW of Anza, CA · 14963 days ago · 1 km deep · 78 km away
  33. 2.26km ESE of Ontario, CA · 14963 days ago · 15 km deep · 26 km away
  34. 1.710km SW of Morongo Valley, CA · 14962 days ago · 17 km deep · 59 km away
  35. 1.77km SW of Menifee, CA · 14962 days ago · 14 km deep · 46 km away
  36. 1.78km WSW of Idyllwild, CA · 14962 days ago · 13 km deep · 62 km away
  37. 1.814km NE of Lucerne Valley, CA · 14962 days ago · 1 km deep · 64 km away
  38. 1.616km ESE of Anza, CA · 14962 days ago · 11 km deep · 98 km away
  39. 1.64km S of Idyllwild, CA · 14962 days ago · 16 km deep · 68 km away
  40. 1.714km NNE of Lake Arrowhead, CA · 14962 days ago · 1 km deep · 34 km away
  41. 1.54km S of Idyllwild, CA · 14961 days ago · 16 km deep · 68 km away
  42. 1.98km WSW of Corona, CA · 14961 days ago · 2 km deep · 42 km away
  43. 1.97km SSW of Cabazon, CA · 14961 days ago · 17 km deep · 51 km away
  44. 2.05km WSW of Big Bear Lake, CA · 14961 days ago · 9 km deep · 34 km away
  45. 1.61km SE of Cabazon, CA · 14961 days ago · 18 km deep · 51 km away
  46. 1.86km NE of Moreno Valley, CA · 14961 days ago · 17 km deep · 18 km away
  47. 2.07km SSE of Big Bear City, CA · 14960 days ago · 6 km deep · 46 km away
  48. 2.49km S of Idyllwild, CA · 14960 days ago · 13 km deep · 70 km away
  49. 1.611km W of Anza, CA · 14960 days ago · 3 km deep · 75 km away
  50. 1.85km NE of Cabazon, CA · 14959 days ago · 16 km deep · 52 km away
  51. 1.76km SSW of Lytle Creek, CA · 14959 days ago · 8 km deep · 26 km away
  52. 1.617km N of Morongo Valley, CA · 14959 days ago · 2 km deep · 65 km away
  53. 1.78km SSW of Idyllwild, CA · 14959 days ago · 16 km deep · 68 km away
  54. 1.611km WSW of Morongo Valley, CA · 14959 days ago · 15 km deep · 55 km away
  55. 2.56km SSW of Redlands, CA · 14959 days ago · 8 km deep · 11 km away
  56. 1.612km W of Anza, CA · 14959 days ago · 2 km deep · 76 km away
  57. 2.25km NW of Highland, CA · 14959 days ago · 1 km deep · 10 km away
  58. 1.93km SSE of Loma Linda, CA · 14959 days ago · 16 km deep · 8 km away
  59. 1.63km NW of Cabazon, CA · 14958 days ago · 17 km deep · 48 km away
  60. 1.63km SSW of Banning, CA · 14958 days ago · 11 km deep · 42 km away

The first 60 of 171.

Before

  1. 2.23km SE of Loma Linda, CA · 14969 days ago · 15 km deep · 8 km away
  2. 2.014km N of Cabazon, CA · 14970 days ago · 20 km deep · 48 km away
  3. 2.09km NNE of Big Bear City, CA · 14970 days ago · 5 km deep · 52 km away
  4. 1.92km ENE of Loma Linda, CA · 14970 days ago · 14 km deep · 6 km away
  5. 2.114km SW of Lucerne Valley, CA · 14970 days ago · 16 km deep · 36 km away
  6. 1.713km NNE of Lake Arrowhead, CA · 14970 days ago · 1 km deep · 34 km away
  7. 2.38km WSW of Big Bear Lake, CA · 14970 days ago · 6 km deep · 31 km away
  8. 1.816km E of Anza, CA · 14970 days ago · 15 km deep · 95 km away
  9. 1.610km WSW of Anza, CA · 14970 days ago · 3 km deep · 80 km away
  10. 1.64km WNW of Corona, CA · 14971 days ago · 1 km deep · 36 km away
  11. 1.811km SSW of Joshua Tree, CA · 14971 days ago · 4 km deep · 87 km away
  12. 1.613km WNW of Anza, CA · 14971 days ago · 6 km deep · 70 km away
  13. 1.82km S of Hemet, CA · 14971 days ago · 15 km deep · 50 km away
  14. 1.63km ESE of Valle Vista, CA · 14971 days ago · 11 km deep · 55 km away
  15. 1.911km S of Joshua Tree, CA · 14972 days ago · 14 km deep · 89 km away
  16. 2.32km S of Calimesa, CA · 14972 days ago · 12 km deep · 26 km away
  17. 1.77km WSW of Anza, CA · 14972 days ago · 9 km deep · 81 km away
  18. 1.88km SSW of Calimesa, CA · 14972 days ago · 4 km deep · 26 km away
  19. 2.335km ENE of Big Bear City, CA · 14972 days ago · 5 km deep · 80 km away
  20. 1.934km NE of Big Bear City, CA · 14972 days ago · 4 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci122839. Read Sat, Oct 3, 2026, 2:52 PM UTC.