California earthquakes

M2.1 earthquake 1 km ENE of Mesa, California

A magnitude 2.1 earthquake struck 1 km ENE of Mesa, California on Sat, Feb 4, 1984, 2:50 AM PST (10:50 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.5 3 km S of Round Valley, 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
2.1 (md), micro
Local time
UTC
1984-02-04 10:50:01 UTC
Depth
13.1 km (8.1 mi), shallow
Epicenter
37.423° N, 118.529° 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 1.3 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
252°, poorly surrounded by stations
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 177 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 1.64 km WSW of Aspen Springs, California · 15578 days ago · 2 km deep · 25 km away
  2. 3.86 km W of Mammoth Lakes, California · 15578 days ago · 0 km deep · 51 km away
  3. 1.95 km W of Mammoth Lakes, California · 15578 days ago · 0 km deep · 51 km away
  4. 2.46 km WSW of Mammoth Lakes, California · 15578 days ago · 0 km deep · 51 km away
  5. 1.66 km W of Mammoth Lakes, California · 15578 days ago · 0 km deep · 51 km away
  6. 1.97 km WSW of Aspen Springs, California · 15578 days ago · 2 km deep · 26 km away
  7. 1.56 km W of Mammoth Lakes, California · 15578 days ago · 0 km deep · 52 km away
  8. 2.58 km WSW of Mammoth Lakes, California · 15578 days ago · 1 km deep · 52 km away
  9. 1.714 km SSW of June Lake, California · 15578 days ago · 10 km deep · 62 km away
  10. 2.3California-Nevada border region · 15576 days ago · 11 km deep · 3 km away
  11. 1.84 km WSW of Aspen Springs, California · 15576 days ago · 2 km deep · 25 km away
  12. 2.114 km WSW of Aspen Springs, California · 15576 days ago · 6 km deep · 32 km away
  13. 1.712 km SE of Mammoth Lakes, California · 15576 days ago · 5 km deep · 34 km away
  14. 2.511 km ESE of Mammoth Lakes, California · 15575 days ago · 4 km deep · 36 km away
  15. 1.77 km W of Mammoth Lakes, California · 15575 days ago · 1 km deep · 52 km away
  16. 2.14 km WSW of Aspen Springs, California · 15575 days ago · 3 km deep · 24 km away
  17. 1.66 km W of Mammoth Lakes, California · 15575 days ago · 0 km deep · 52 km away
  18. 2.132 km ENE of Lee Vining, California · 15575 days ago · 9 km deep · 73 km away
  19. 1.617 km SW of Aspen Springs, California · 15575 days ago · 3 km deep · 31 km away
  20. 1.810 km ESE of Mammoth Lakes, California · 15574 days ago · 1 km deep · 36 km away
  21. 2.311 km SW of Aspen Springs, California · 15574 days ago · 7 km deep · 25 km away
  22. 2.44 km SSW of Mammoth Lakes, California · 15574 days ago · 2 km deep · 45 km away
  23. 2.01 km WNW of Shaver Lake, California · 15574 days ago · 2 km deep · 79 km away
  24. 1.89 km WSW of Swall Meadows, California · 15572 days ago · 3 km deep · 18 km away
  25. 1.611 km S of Dyer, Nevada · 15572 days ago · 4 km deep · 44 km away
  26. 2.111 km N of Dixon Lane-Meadow Creek, California · 15572 days ago · 8 km deep · 13 km away
  27. 3.212 km N of Dixon Lane-Meadow Creek, California · 15569 days ago · 10 km deep · 13 km away
  28. 1.86 km W of Mammoth Lakes, California · 15568 days ago · 1 km deep · 52 km away
  29. 1.66 km WSW of Mammoth Lakes, California · 15568 days ago · 3 km deep · 49 km away
  30. 1.65 km SE of Mammoth Lakes, California · 15566 days ago · 3 km deep · 41 km away
  31. 1.715 km ESE of Yosemite Valley, California · 15566 days ago · 2 km deep · 84 km away
  32. 1.517 km SE of Yosemite Valley, California · 15566 days ago · 23 km deep · 82 km away
  33. 1.8California-Nevada border region · 15566 days ago · 7 km deep · 28 km away
  34. 1.818 km NNE of Big Creek, California · 15566 days ago · 2 km deep · 54 km away
  35. 2.314 km SW of Aspen Springs, California · 15565 days ago · 5 km deep · 27 km away
  36. 2.630km ENE of Big Pine, CA · 15565 days ago · 4 km deep · 51 km away
  37. 1.513 km SW of Aspen Springs, California · 15565 days ago · 2 km deep · 28 km away
  38. 2.014 km ENE of Big Pine, California · 15565 days ago · 11 km deep · 39 km away
  39. 2.92 km W of Aspen Springs, California · 15564 days ago · 3 km deep · 24 km away
  40. 1.911 km SE of Mammoth Lakes, California · 15563 days ago · 2 km deep · 35 km away
  41. 1.92 km WNW of Wilkerson, California · 15563 days ago · 9 km deep · 18 km away
  42. 2.15 km ESE of Mammoth Lakes, California · 15562 days ago · 2 km deep · 41 km away
  43. 1.95 km ESE of Mammoth Lakes, California · 15562 days ago · 3 km deep · 41 km away
  44. 2.110 km SSW of Aspen Springs, California · 15561 days ago · 7 km deep · 21 km away
  45. 1.611 km SW of Aspen Springs, California · 15560 days ago · 7 km deep · 25 km away
  46. 1.84 km SE of Swall Meadows, California · 15559 days ago · 11 km deep · 9 km away
  47. 2.212 km WSW of Swall Meadows, California · 15558 days ago · 2 km deep · 21 km away
  48. 1.810 km SW of Swall Meadows, California · 15558 days ago · 0 km deep · 19 km away
  49. 2.08 km WSW of Aspen Springs, California · 15557 days ago · 11 km deep · 27 km away
  50. 1.69 km WNW of Aspen Springs, California · 15556 days ago · 4 km deep · 32 km away
  51. 1.68 km WSW of Aspen Springs, California · 15556 days ago · 11 km deep · 26 km away
  52. 2.73 km S of Round Valley, California · 15556 days ago · 8 km deep · 6 km away
  53. 4.53 km S of Round Valley, California · 15556 days ago · 8 km deep · 7 km away
  54. 1.53 km S of Round Valley, California · 15556 days ago · 7 km deep · 7 km away
  55. 1.83 km S of Round Valley, California · 15556 days ago · 7 km deep · 6 km away
  56. 2.13 km S of Round Valley, California · 15556 days ago · 8 km deep · 6 km away
  57. 1.66 km WSW of Mammoth Lakes, California · 15554 days ago · 3 km deep · 51 km away
  58. 1.66 km E of Mammoth Lakes, California · 15553 days ago · 0 km deep · 42 km away
  59. 1.56 km E of Mammoth Lakes, California · 15553 days ago · 0 km deep · 40 km away
  60. 1.67 km ENE of Mammoth Lakes, California · 15553 days ago · 9 km deep · 42 km away

The first 60 of 177.

Before

  1. 2.91 km NE of Mesa, California · 15579 days ago · 13 km deep · 1 km away
  2. 2.57 km WSW of Aspen Springs, California · 15580 days ago · 3 km deep · 26 km away
  3. 1.513 km W of Aspen Springs, California · 15581 days ago · 3 km deep · 33 km away
  4. 1.98km S of Independence, CA · 15582 days ago · 4 km deep · 82 km away
  5. 1.713 km W of Aspen Springs, California · 15582 days ago · 5 km deep · 33 km away
  6. 2.113 km W of Aspen Springs, California · 15582 days ago · 5 km deep · 33 km away
  7. 2.413 km W of Aspen Springs, California · 15582 days ago · 5 km deep · 33 km away
  8. 1.915 km WSW of Aspen Springs, California · 15583 days ago · 6 km deep · 32 km away
  9. 1.810 km WNW of Aspen Springs, California · 15583 days ago · 3 km deep · 32 km away
  10. 2.17km S of Independence, CA · 15583 days ago · 5 km deep · 82 km away
  11. 2.311 km W of Aspen Springs, California · 15583 days ago · 7 km deep · 32 km away
  12. 1.510 km SSW of Aspen Springs, California · 15584 days ago · 9 km deep · 23 km away
  13. 1.66 km W of Aspen Springs, California · 15585 days ago · 1 km deep · 27 km away
  14. 1.724 km E of Mono City, California · 15585 days ago · 6 km deep · 78 km away
  15. 1.63 km WNW of Aspen Springs, California · 15585 days ago · 4 km deep · 26 km away
  16. 2.312 km WSW of Aspen Springs, California · 15585 days ago · 6 km deep · 29 km away
  17. 1.612 km WSW of Aspen Springs, California · 15586 days ago · 0 km deep · 28 km away
  18. 1.911 km WSW of Aspen Springs, California · 15586 days ago · 0 km deep · 29 km away
  19. 1.99 km ESE of Mammoth Lakes, California · 15587 days ago · 2 km deep · 37 km away
  20. 1.814 km WSW of Aspen Springs, California · 15589 days ago · 3 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc4630 (also filed as ci30878). Read Wed, Sep 30, 2026, 5:14 AM UTC.