California earthquakes

M1.5 earthquake 3 km SSW of Mesa, California

A magnitude 1.5 earthquake struck 3 km SSW of Mesa, California on Sun, Oct 18, 1987, 8:11 PM PDT (03:11 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.1 13 km NNE 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
1.5 (md), micro
Local time
UTC
1987-10-19 03:11:46 UTC
Depth
12.6 km (7.8 mi), shallow
Epicenter
37.391° N, 118.553° 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, 0.4 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
65°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.113 km NNE of Mesa, California · 14202 days ago · 6 km deep · 17 km away
  2. 2.113 km NNE of Mesa, California · 14202 days ago · 6 km deep · 17 km away
  3. 1.71 km WNW of Round Valley, California · 14202 days ago · 6 km deep · 6 km away
  4. 1.913 km NW of Benton, California · 14201 days ago · 4 km deep · 58 km away
  5. 2.011 km SSW of Aspen Springs, California · 14201 days ago · 8 km deep · 22 km away
  6. 1.512 km W of Aspen Springs, California · 14201 days ago · 6 km deep · 31 km away
  7. 1.819 km NNE of Mesa, California · 14201 days ago · 4 km deep · 23 km away
  8. 2.112 km WSW of Aspen Springs, California · 14200 days ago · 4 km deep · 29 km away
  9. 2.04 km N of Round Valley, California · 14200 days ago · 9 km deep · 9 km away
  10. 1.710 km SW of Aspen Springs, California · 14199 days ago · 6 km deep · 24 km away
  11. 2.010 km ESE of Mammoth Lakes, California · 14199 days ago · 2 km deep · 36 km away
  12. 2.011 km WNW of Aspen Springs, California · 14199 days ago · 8 km deep · 34 km away
  13. 1.712 km WNW of Aspen Springs, California · 14199 days ago · 7 km deep · 34 km away
  14. 1.710 km WSW of Aspen Springs, California · 14199 days ago · 6 km deep · 28 km away
  15. 1.517 km NE of Swall Meadows, California · 14199 days ago · 7 km deep · 23 km away
  16. 1.69 km E of Mammoth Lakes, California · 14199 days ago · 6 km deep · 39 km away
  17. 1.713 km NNE of Mesa, California · 14199 days ago · 9 km deep · 17 km away
  18. 1.819 km NNE of Mesa, California · 14199 days ago · 4 km deep · 23 km away
  19. 1.712 km NNE of Dixon Lane-Meadow Creek, California · 14199 days ago · 4 km deep · 20 km away
  20. 1.910 km WNW of Aspen Springs, California · 14199 days ago · 6 km deep · 32 km away
  21. 1.610 km W of Aspen Springs, California · 14198 days ago · -1 km deep · 31 km away
  22. 1.917 km NNE of Mesa, California · 14198 days ago · 5 km deep · 21 km away
  23. 1.811 km WSW of Aspen Springs, California · 14198 days ago · 4 km deep · 29 km away
  24. 2.130 km ENE of Mono City, California · 14198 days ago · 5 km deep · 88 km away
  25. 2.520 km NNE of Mesa, California · 14198 days ago · 4 km deep · 23 km away
  26. 2.920 km NNE of Mesa, California · 14198 days ago · 4 km deep · 23 km away
  27. 2.020 km NNE of Mesa, California · 14198 days ago · 6 km deep · 24 km away
  28. 2.18 km WSW of Aspen Springs, California · 14198 days ago · 9 km deep · 26 km away
  29. 1.820 km NNE of Mesa, California · 14198 days ago · 4 km deep · 24 km away
  30. 1.59 km W of Aspen Springs, California · 14198 days ago · 2 km deep · 30 km away
  31. 1.612 km SW of Aspen Springs, California · 14198 days ago · 3 km deep · 26 km away
  32. 1.917 km ENE of Swall Meadows, California · 14198 days ago · 5 km deep · 22 km away
  33. 1.611 km W of Aspen Springs, California · 14197 days ago · 5 km deep · 32 km away
  34. 2.024 km E of Mono City, California · 14197 days ago · 3 km deep · 81 km away
  35. 2.03 km WSW of Round Valley, California · 14197 days ago · 8 km deep · 6 km away
  36. 1.96 km WSW of Aspen Springs, California · 14197 days ago · 10 km deep · 26 km away
  37. 2.04 km N of Round Valley, California · 14197 days ago · 10 km deep · 9 km away
  38. 2.00 km SSW of Mesa, California · 14196 days ago · 9 km deep · 3 km away
  39. 1.510 km NW of Benton, California · 14196 days ago · 0 km deep · 55 km away
  40. 1.710 km WNW of Aspen Springs, California · 14196 days ago · 5 km deep · 32 km away
  41. 1.78 km ESE of Mammoth Lakes, California · 14196 days ago · 2 km deep · 39 km away
  42. 2.09 km NW of Benton, California · 14196 days ago · 2 km deep · 55 km away
  43. 1.617 km NNE of Mesa, California · 14196 days ago · 6 km deep · 21 km away
  44. 1.69 km NW of Benton, California · 14195 days ago · 0 km deep · 54 km away
  45. 1.99 km NW of Benton, California · 14195 days ago · 1 km deep · 55 km away
  46. 2.92 km NNW of Dixon Lane-Meadow Creek, California · 14194 days ago · 7 km deep · 11 km away
  47. 2.62 km NNW of Dixon Lane-Meadow Creek, California · 14194 days ago · 8 km deep · 11 km away
  48. 2.33 km NNW of Dixon Lane-Meadow Creek, California · 14194 days ago · 7 km deep · 11 km away
  49. 1.53 km N of West Bishop, California · 14194 days ago · 9 km deep · 9 km away
  50. 2.719 km NNE of Mesa, California · 14194 days ago · 4 km deep · 23 km away
  51. 1.514 km SW of Aspen Springs, California · 14194 days ago · 5 km deep · 26 km away
  52. 1.518 km ENE of Swall Meadows, California · 14193 days ago · 7 km deep · 24 km away
  53. 2.67 km SE of Mammoth Lakes, California · 14193 days ago · 2 km deep · 40 km away
  54. 1.816 km N of Dixon Lane-Meadow Creek, California · 14192 days ago · 4 km deep · 21 km away
  55. 1.610 km WNW of Aspen Springs, California · 14192 days ago · 7 km deep · 32 km away
  56. 1.513 km WSW of Aspen Springs, California · 14192 days ago · 3 km deep · 31 km away
  57. 1.614 km W of Round Valley, California · 14192 days ago · 11 km deep · 17 km away
  58. 1.812 km SE of Mammoth Lakes, California · 14192 days ago · 3 km deep · 35 km away
  59. 1.610 km E of Mammoth Lakes, California · 14192 days ago · 2 km deep · 41 km away
  60. 1.78 km ESE of Mammoth Lakes, California · 14192 days ago · 7 km deep · 39 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc107321. Read Tue, Sep 22, 2026, 6:49 PM UTC.