California earthquakes

M1.7 earthquake 4 km SE of Swall Meadows, California

A magnitude 1.7 earthquake struck 4 km SE of Swall Meadows, California on Sat, May 4, 1985, 1:40 AM PDT (08:40 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.7 7 km NNW of Mesa, California. 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-05-04 08:40:26 UTC
Depth
10.9 km (6.8 mi), shallow
Epicenter
37.473° N, 118.611° 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, 0.6 km in depth
Magnitude uncertainty
±0.42
Depth from
From location
Station coverage gap
48°
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: at least 199 in the 60 days after this one and 159 in the 30 days before it.

After

  1. 3.34 km SE of Swall Meadows, California · 15125 days ago · 10 km deep · 0 km away
  2. 1.95 km WSW of Aspen Springs, California · 15125 days ago · 2 km deep · 15 km away
  3. 2.95 km WSW of Aspen Springs, California · 15125 days ago · 2 km deep · 15 km away
  4. 1.85 km SE of Swall Meadows, California · 15125 days ago · 11 km deep · 1 km away
  5. 1.74 km SE of Swall Meadows, California · 15125 days ago · 11 km deep · 0 km away
  6. 1.84 km SE of Swall Meadows, California · 15125 days ago · 11 km deep · 0 km away
  7. 3.14 km SSE of Swall Meadows, California · 15125 days ago · 10 km deep · 1 km away
  8. 1.94 km WNW of Round Valley, California · 15125 days ago · 4 km deep · 5 km away
  9. 2.05 km SSE of Swall Meadows, California · 15125 days ago · 10 km deep · 1 km away
  10. 1.74 km SE of Swall Meadows, California · 15125 days ago · 10 km deep · 0 km away
  11. 1.55 km SE of Swall Meadows, California · 15124 days ago · 10 km deep · 0 km away
  12. 1.64 km N of Round Valley, California · 15124 days ago · 8 km deep · 3 km away
  13. 2.65 km SE of Swall Meadows, California · 15124 days ago · 10 km deep · 0 km away
  14. 2.113 km SW of Aspen Springs, California · 15124 days ago · 10 km deep · 18 km away
  15. 1.71 km SE of Swall Meadows, California · 15124 days ago · 2 km deep · 3 km away
  16. 2.23 km WNW of Round Valley, California · 15124 days ago · 4 km deep · 5 km away
  17. 1.64 km SE of Swall Meadows, California · 15124 days ago · 9 km deep · 0 km away
  18. 3.45 km SE of Swall Meadows, California · 15124 days ago · 11 km deep · 0 km away
  19. 1.729 km ENE of Mono City, California · 15124 days ago · 3 km deep · 78 km away
  20. 2.64 km N of Round Valley, California · 15124 days ago · 10 km deep · 3 km away
  21. 2.04 km SE of Swall Meadows, California · 15124 days ago · 11 km deep · 0 km away
  22. 1.611 km W of Aspen Springs, California · 15124 days ago · 8 km deep · 23 km away
  23. 1.914 km WSW of Aspen Springs, California · 15124 days ago · 5 km deep · 23 km away
  24. 1.6California-Nevada border region · 15123 days ago · 4 km deep · 4 km away
  25. 1.64 km SE of Swall Meadows, California · 15123 days ago · 9 km deep · 0 km away
  26. 2.020 km ESE of Yosemite Valley, California · 15122 days ago · 4 km deep · 70 km away
  27. 2.54 km SE of Swall Meadows, California · 15122 days ago · 12 km deep · 0 km away
  28. 3.34 km SE of Swall Meadows, California · 15122 days ago · 11 km deep · 0 km away
  29. 1.94 km SE of Swall Meadows, California · 15122 days ago · 11 km deep · 0 km away
  30. 2.015 km WSW of Aspen Springs, California · 15121 days ago · 5 km deep · 23 km away
  31. 1.67 km E of Swall Meadows, California · 15121 days ago · 8 km deep · 6 km away
  32. 1.74 km WNW of Round Valley, California · 15120 days ago · 4 km deep · 5 km away
  33. 1.614 km WSW of Aspen Springs, California · 15120 days ago · 4 km deep · 23 km away
  34. 1.611 km SE of Mammoth Lakes, California · 15120 days ago · 6 km deep · 26 km away
  35. 2.11 km SE of Swall Meadows, California · 15119 days ago · 4 km deep · 3 km away
  36. 1.62 km WNW of Round Valley, California · 15119 days ago · 11 km deep · 5 km away
  37. 2.325 km E of Mono City, California · 15119 days ago · 7 km deep · 71 km away
  38. 1.55 km SE of Swall Meadows, California · 15119 days ago · 9 km deep · 1 km away
  39. 3.35 km NNE of Round Valley, California · 15119 days ago · 8 km deep · 4 km away
  40. 2.04 km SE of Swall Meadows, California · 15118 days ago · 9 km deep · 0 km away
  41. 2.74 km SE of Swall Meadows, California · 15118 days ago · 10 km deep · 1 km away
  42. 2.14 km SE of Swall Meadows, California · 15118 days ago · 9 km deep · 0 km away
  43. 1.72 km W of Round Valley, California · 15118 days ago · 10 km deep · 6 km away
  44. 2.22 km NW of Round Valley, California · 15117 days ago · 6 km deep · 5 km away
  45. 2.331 km NW of Benton, California · 15117 days ago · 1 km deep · 62 km away
  46. 3.77 km NNW of Mesa, California · 15117 days ago · 7 km deep · 5 km away
  47. 1.67 km N of Mesa, California · 15117 days ago · 7 km deep · 5 km away
  48. 1.57 km N of Mesa, California · 15117 days ago · 7 km deep · 5 km away
  49. 1.65 km SSE of Swall Meadows, California · 15116 days ago · 6 km deep · 1 km away
  50. 2.36 km E of Swall Meadows, California · 15116 days ago · 5 km deep · 4 km away
  51. 1.87 km N of Mesa, California · 15115 days ago · 6 km deep · 5 km away
  52. 1.925 km E of Mono City, California · 15115 days ago · 7 km deep · 71 km away
  53. 2.01 km SE of Round Valley, California · 15114 days ago · 4 km deep · 8 km away
  54. 1.613 km ENE of Mono City, California · 15114 days ago · 5 km deep · 74 km away
  55. 2.031 km ENE of Mono City, California · 15114 days ago · 5 km deep · 80 km away
  56. 2.04 km SE of Swall Meadows, California · 15113 days ago · 11 km deep · 0 km away
  57. 2.01 km SW of Swall Meadows, California · 15113 days ago · 8 km deep · 5 km away
  58. 1.57 km N of Mesa, California · 15113 days ago · 7 km deep · 5 km away
  59. 1.928 km NW of Benton, California · 15112 days ago · 2 km deep · 60 km away
  60. 1.85 km NW of Round Valley, California · 15112 days ago · 4 km deep · 3 km away

The first 60 of at least 199.

Before

  1. 1.74 km SE of Swall Meadows, California · 15125 days ago · 9 km deep · 1 km away
  2. 1.54 km SE of Swall Meadows, California · 15125 days ago · 11 km deep · 0 km away
  3. 1.94 km SE of Swall Meadows, California · 15125 days ago · 10 km deep · 0 km away
  4. 1.74 km SE of Swall Meadows, California · 15125 days ago · 11 km deep · 0 km away
  5. 2.25 km SSE of Swall Meadows, California · 15125 days ago · 11 km deep · 1 km away
  6. 2.65 km SSE of Swall Meadows, California · 15125 days ago · 11 km deep · 1 km away
  7. 1.94 km SE of Swall Meadows, California · 15125 days ago · 11 km deep · 0 km away
  8. 2.64 km SE of Swall Meadows, California · 15125 days ago · 11 km deep · 0 km away
  9. 2.25 km SSE of Swall Meadows, California · 15125 days ago · 10 km deep · 1 km away
  10. 2.34 km SE of Swall Meadows, California · 15125 days ago · 10 km deep · 1 km away
  11. 2.54 km SE of Swall Meadows, California · 15125 days ago · 10 km deep · 1 km away
  12. 2.34 km WNW of Round Valley, California · 15125 days ago · 4 km deep · 5 km away
  13. 2.94 km WNW of Round Valley, California · 15125 days ago · 4 km deep · 5 km away
  14. 1.95 km SSE of Swall Meadows, California · 15125 days ago · 10 km deep · 1 km away
  15. 3.25 km SSE of Swall Meadows, California · 15125 days ago · 11 km deep · 1 km away
  16. 1.74 km SSE of Swall Meadows, California · 15125 days ago · 9 km deep · 0 km away
  17. 2.24 km SE of Swall Meadows, California · 15125 days ago · 12 km deep · 0 km away
  18. 1.94 km SE of Swall Meadows, California · 15125 days ago · 11 km deep · 0 km away
  19. 2.74 km SE of Swall Meadows, California · 15125 days ago · 10 km deep · 0 km away
  20. 1.65 km SE of Swall Meadows, California · 15125 days ago · 10 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc47149. Read Thu, Oct 1, 2026, 1:23 PM UTC.