California earthquakes

M2.1 earthquake 4 km NW of Spring Garden, California

A magnitude 2.1 earthquake struck 4 km NW of Spring Garden, California on Tue, Sep 3, 1985, 3:15 AM PDT (10:15 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.0 9 km WNW of Chester, California. This one was a foreshock.

East Quincy 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-09-03 10:15:32 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
39.928° N, 120.825° 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 0.4 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
99°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 54 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 1.813 km ESE of Mineral, California · 15005 days ago · 8 km deep · 68 km away
  2. 2.114 km NNE of Mineral, California · 15003 days ago · 2 km deep · 86 km away
  3. 2.613 km NNE of Mineral, California · 15003 days ago · 2 km deep · 86 km away
  4. 1.613 km NNE of Mineral, California · 15003 days ago · 2 km deep · 86 km away
  5. 1.613 km NNE of Mineral, California · 15003 days ago · 2 km deep · 86 km away
  6. 2.03 km N of Hamilton Branch, California · 14996 days ago · 11 km deep · 48 km away
  7. 1.63 km SE of Prattville, California · 14989 days ago · 3 km deep · 39 km away
  8. 1.71 km SE of Chester, California · 14988 days ago · 3 km deep · 53 km away
  9. 2.05 km SSW of Graeagle, California · 14984 days ago · 3 km deep · 28 km away
  10. 2.010 km NW of Cohasset, California · 14984 days ago · 5 km deep · 84 km away
  11. 2.312 km NE of Vina, California · 14983 days ago · 0 km deep · 96 km away
  12. 1.91 km W of Sierraville, California · 14982 days ago · 7 km deep · 53 km away
  13. 1.93 km SE of Prattville, California · 14982 days ago · 3 km deep · 39 km away
  14. 2.54 km SSE of Prattville, California · 14982 days ago · -2 km deep · 38 km away
  15. 1.63 km SE of Prattville, California · 14982 days ago · 4 km deep · 39 km away
  16. 1.93 km SE of Prattville, California · 14982 days ago · 3 km deep · 39 km away
  17. 2.15 km NNE of Belden, California · 14982 days ago · 2 km deep · 37 km away
  18. 2.23 km ENE of Canyondam, California · 14982 days ago · 3 km deep · 33 km away
  19. 1.56 km N of Truckee, California · 14982 days ago · 2 km deep · 82 km away
  20. 1.54 km NNW of Lake Almanor Peninsula, California · 14979 days ago · 16 km deep · 51 km away
  21. 2.12 km ESE of Hamilton Branch, California · 14978 days ago · 7 km deep · 43 km away
  22. 1.52 km ESE of Prattville, California · 14977 days ago · 14 km deep · 40 km away
  23. 2.19 km NE of Vina, California · 14977 days ago · 0 km deep · 98 km away
  24. 2.211 km WNW of Floriston, California · 14976 days ago · 3 km deep · 79 km away
  25. 2.311 km WNW of Floriston, California · 14975 days ago · 3 km deep · 79 km away
  26. 1.814 km WNW of Cohasset, California · 14969 days ago · 5 km deep · 90 km away
  27. 2.03 km ENE of Canyondam, California · 14969 days ago · 3 km deep · 33 km away
  28. 2.015 km N of Lake Davis, California · 14965 days ago · 4 km deep · 33 km away
  29. 2.26 km W of Mineral, California · 14964 days ago · 2 km deep · 86 km away
  30. 1.74 km SE of Palermo, California · 14964 days ago · 6 km deep · 83 km away
  31. 2.010 km NE of Greenville, California · 14964 days ago · 7 km deep · 30 km away
  32. 1.524 km NNW of Susanville, California · 14963 days ago · 2 km deep · 75 km away
  33. 1.84 km S of Oroville East, California · 14960 days ago · 0 km deep · 75 km away
  34. 2.03 km WNW of Greenville, California · 14960 days ago · 0 km deep · 29 km away
  35. 3.04 km S of Sierraville, California · 14959 days ago · 3 km deep · 57 km away
  36. 1.54 km SSE of Sierraville, California · 14959 days ago · 8 km deep · 58 km away
  37. 2.03 km SSW of Sierraville, California · 14959 days ago · -2 km deep · 56 km away
  38. 2.23 km SSE of Sierraville, California · 14959 days ago · 7 km deep · 57 km away
  39. 3.09 km WNW of Chester, California · 14959 days ago · 0 km deep · 64 km away
  40. 1.514 km NNE of Mineral, California · 14958 days ago · 12 km deep · 84 km away
  41. 1.614 km NNW of Mineral, California · 14958 days ago · 4 km deep · 93 km away
  42. 1.59 km NW of Chester, California · 14958 days ago · 8 km deep · 64 km away
  43. 2.34 km SSE of Nevada City, California · 14958 days ago · 11 km deep · 79 km away
  44. 2.25 km NNW of Belden, California · 14956 days ago · 8 km deep · 40 km away
  45. 2.31 km NNE of Susanville, California · 14955 days ago · 0 km deep · 57 km away
  46. 1.83 km SSW of Susanville, California · 14955 days ago · 2 km deep · 53 km away
  47. 2.14 km S of Sierraville, California · 14955 days ago · 6 km deep · 58 km away
  48. 2.513 km NE of Lake Davis, California · 14954 days ago · 10 km deep · 39 km away
  49. 2.811 km W of La Porte, California · 14954 days ago · 11 km deep · 36 km away
  50. 2.34 km WSW of Chico, California · 14953 days ago · 22 km deep · 94 km away
  51. 1.910 km NNW of Truckee, California · 14951 days ago · 8 km deep · 77 km away
  52. 1.913 km E of Mineral, California · 14949 days ago · 3 km deep · 71 km away
  53. 1.712 km SSW of Old Station, California · 14949 days ago · 3 km deep · 92 km away
  54. 1.90 km N of Susanville, California · 14948 days ago · -1 km deep · 57 km away

Before

  1. 1.63 km NNW of Belden, California · 15006 days ago · 1 km deep · 39 km away
  2. 1.83 km NW of Greenville, California · 15009 days ago · 2 km deep · 29 km away
  3. 2.52 km WNW of Sattley, California · 15009 days ago · 3 km deep · 46 km away
  4. 2.34 km NNE of Plumas Eureka, California · 15011 days ago · 11 km deep · 20 km away
  5. 1.93 km E of Sierraville, California · 15012 days ago · 12 km deep · 57 km away
  6. 2.017 km S of Sierra Brooks, California · 15013 days ago · 7 km deep · 72 km away
  7. 1.84 km E of Canyondam, California · 15013 days ago · 2 km deep · 32 km away
  8. 1.64 km N of Belden, California · 15014 days ago · 4 km deep · 38 km away
  9. 1.75 km NNE of Belden, California · 15014 days ago · 3 km deep · 36 km away
  10. 1.65 km NNE of Belden, California · 15014 days ago · 0 km deep · 37 km away
  11. 3.24 km N of Belden, California · 15014 days ago · 0 km deep · 38 km away
  12. 1.94 km NW of Lake Almanor Country Club, California · 15015 days ago · 5 km deep · 49 km away
  13. 2.54 km SE of Iron Horse, California · 15017 days ago · 7 km deep · 37 km away
  14. 1.99 km WNW of Cohasset, California · 15017 days ago · 16 km deep · 87 km away
  15. 2.04 km NNW of Verdi, California · 15019 days ago · 6 km deep · 79 km away
  16. 2.23 km SE of Prattville, California · 15019 days ago · 7 km deep · 39 km away
  17. 1.63 km ESE of Prattville, California · 15020 days ago · 3 km deep · 39 km away
  18. 2.14 km SSE of Canyondam, California · 15020 days ago · 2 km deep · 30 km away
  19. 3.14 km S of Prattville, California · 15020 days ago · -2 km deep · 40 km away
  20. 2.08 km NE of Vina, California · 15023 days ago · 1 km deep · 98 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc54398. Read Sat, Oct 3, 2026, 3:48 PM UTC.