California earthquakes

M2.4 earthquake 2km NNE of Mammoth Lakes, CA

A magnitude 2.4 earthquake struck 2km NNE of Mammoth Lakes, CA on Mon, Apr 20, 1981, 7:45 PM PST (03:45 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 10 km NW of Aspen Springs, California. This one was a foreshock.

Mammoth Lakes 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
2.4 (ml), micro
Local time
UTC
1981-04-21 03:45:14 UTC
Depth
4.6 km (2.8 mi), shallow
Epicenter
37.653° N, 118.972° 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 1.2 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
132°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 161 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 2.23km NNE of Mammoth Lakes, CA · 16591 days ago · 5 km deep · 2 km away
  2. 2.021km ENE of Mammoth Lakes, CA · 16591 days ago · 4 km deep · 20 km away
  3. 3.310 km NW of Aspen Springs, California · 16591 days ago · 6 km deep · 15 km away
  4. 3.03 km ESE of Mammoth Lakes, California · 16591 days ago · 4 km deep · 3 km away
  5. 3.23 km ESE of Mammoth Lakes, California · 16591 days ago · 6 km deep · 3 km away
  6. 1.851km N of Dixon Lane-Meadow Creek, CA · 16591 days ago · 4 km deep · 59 km away
  7. 1.712km ENE of Mammoth Lakes, CA · 16591 days ago · 4 km deep · 11 km away
  8. 2.125km NE of Mammoth Lakes, CA · 16591 days ago · 6 km deep · 23 km away
  9. 2.21km NNE of Mammoth Lakes, CA · 16591 days ago · 5 km deep · 1 km away
  10. 2.911 km E of Mammoth Lakes, California · 16591 days ago · 9 km deep · 12 km away
  11. 1.821km S of Mariposa, CA · 16591 days ago · 6 km deep · 100 km away
  12. 1.956km SSE of Hawthorne, NV · 16591 days ago · 4 km deep · 78 km away
  13. 2.158km NNE of Dixon Lane-Meadow Creek, CA · 16590 days ago · 4 km deep · 69 km away
  14. 2.311km E of Mammoth Lakes, CA · 16590 days ago · 4 km deep · 11 km away
  15. 2.10km ESE of Mammoth Lakes, CA · 16590 days ago · 4 km deep · 2 km away
  16. 2.118km E of Mammoth Lakes, CA · 16590 days ago · 4 km deep · 18 km away
  17. 1.79 km E of Mammoth Lakes, California · 16589 days ago · 8 km deep · 10 km away
  18. 1.83km NNW of Mammoth Lakes, CA · 16589 days ago · 1 km deep · 2 km away
  19. 2.043km NNE of Dixon Lane-Meadow Creek, CA · 16589 days ago · 4 km deep · 62 km away
  20. 2.310km ENE of Mammoth Lakes, CA · 16589 days ago · 4 km deep · 9 km away
  21. 2.126km E of Mammoth Lakes, CA · 16589 days ago · 4 km deep · 25 km away
  22. 1.742km N of Dixon Lane-Meadow Creek, CA · 16589 days ago · 2 km deep · 58 km away
  23. 2.414km NNE of Mammoth Lakes, CA · 16588 days ago · 4 km deep · 12 km away
  24. 1.7California-Nevada border region · 16588 days ago · 6 km deep · 2 km away
  25. 2.611 km SW of Swall Meadows, California · 16588 days ago · 10 km deep · 32 km away
  26. 1.554km NNE of Dixon Lane-Meadow Creek, CA · 16587 days ago · 0 km deep · 79 km away
  27. 2.05km NNW of Mammoth Lakes, CA · 16587 days ago · 5 km deep · 4 km away
  28. 3.32 km ESE of Mammoth Lakes, California · 16587 days ago · 6 km deep · 3 km away
  29. 1.610km NE of Mammoth Lakes, CA · 16587 days ago · 4 km deep · 9 km away
  30. 1.838km N of Dixon Lane-Meadow Creek, CA · 16586 days ago · 4 km deep · 53 km away
  31. 2.62km NNE of Mammoth Lakes, CA · 16586 days ago · 5 km deep · 0 km away
  32. 1.68 km N of Sunny Slopes, California · 16585 days ago · 2 km deep · 25 km away
  33. 1.962km N of Dixon Lane-Meadow Creek, CA · 16583 days ago · 10 km deep · 68 km away
  34. 4.226 km NNW of Benton, California · 16583 days ago · 6 km deep · 56 km away
  35. 1.858km NE of Mammoth Lakes, CA · 16583 days ago · -2 km deep · 56 km away
  36. 2.252km SSE of Hawthorne, NV · 16583 days ago · -1 km deep · 69 km away
  37. 2.251km S of Hawthorne, NV · 16583 days ago · 4 km deep · 54 km away
  38. 2.044km SSE of Hawthorne, NV · 16583 days ago · 4 km deep · 77 km away
  39. 1.820km E of Mammoth Lakes, CA · 16582 days ago · 6 km deep · 19 km away
  40. 1.963km N of Dixon Lane-Meadow Creek, CA · 16581 days ago · 10 km deep · 68 km away
  41. 1.7California-Nevada border region · 16581 days ago · 6 km deep · 23 km away
  42. 1.632km NE of Squaw Valley, CA · 16580 days ago · 4 km deep · 77 km away
  43. 2.134km SSW of Hawthorne, NV · 16580 days ago · 4 km deep · 68 km away
  44. 3.310 km W of Aspen Springs, California · 16579 days ago · 3 km deep · 17 km away
  45. 1.940km SSE of Hawthorne, NV · 16578 days ago · 4 km deep · 70 km away
  46. 2.348km S of Hawthorne, NV · 16578 days ago · 4 km deep · 63 km away
  47. 1.710km NE of Mammoth Lakes, CA · 16578 days ago · 4 km deep · 9 km away
  48. 2.152km SE of Hawthorne, NV · 16577 days ago · 4 km deep · 90 km away
  49. 2.312 km SE of Catheys Valley, California · 16576 days ago · 13 km deep · 96 km away
  50. 2.256km SE of Hawthorne, NV · 16576 days ago · 4 km deep · 98 km away
  51. 4.512 km NNW of Benton, California · 16575 days ago · 9 km deep · 49 km away
  52. 2.150km NE of Mammoth Lakes, CA · 16575 days ago · 4 km deep · 49 km away
  53. 2.155km NE of Mammoth Lakes, CA · 16575 days ago · 4 km deep · 54 km away
  54. 2.256km NE of Mammoth Lakes, CA · 16575 days ago · 4 km deep · 54 km away
  55. 3.612 km NNW of Benton, California · 16575 days ago · 9 km deep · 49 km away
  56. 1.555km NE of Mammoth Lakes, CA · 16575 days ago · 4 km deep · 54 km away
  57. 1.941km NE of Mammoth Lakes, CA · 16575 days ago · 4 km deep · 39 km away
  58. 2.96 km SW of Aspen Springs, California · 16575 days ago · 8 km deep · 24 km away
  59. 1.745km ENE of Mammoth Lakes, CA · 16575 days ago · 4 km deep · 44 km away
  60. 1.822km E of Big Pine, CA · 16575 days ago · 4 km deep · 99 km away

The first 60 of 161.

Before

  1. 2.12 km E of Mammoth Lakes, California · 16591 days ago · 5 km deep · 3 km away
  2. 1.52 km E of Mammoth Lakes, California · 16591 days ago · 5 km deep · 3 km away
  3. 2.32km NE of Mammoth Lakes, CA · 16591 days ago · 5 km deep · 1 km away
  4. 3.415 km SW of Aspen Springs, California · 16592 days ago · 10 km deep · 24 km away
  5. 2.69 km W of Aspen Springs, California · 16592 days ago · 8 km deep · 17 km away
  6. 2.913 km SW of Aspen Springs, California · 16592 days ago · 10 km deep · 27 km away
  7. 1.716km SE of Mammoth Lakes, CA · 16594 days ago · 12 km deep · 17 km away
  8. 2.016km E of Mammoth Lakes, CA · 16594 days ago · 4 km deep · 15 km away
  9. 3.729 km NNW of Benton, California · 16594 days ago · 5 km deep · 56 km away
  10. 2.159km NNE of Dixon Lane-Meadow Creek, CA · 16594 days ago · 4 km deep · 69 km away
  11. 1.917km SSE of Mammoth Lakes, CA · 16595 days ago · 4 km deep · 19 km away
  12. 2.665km SE of Hawthorne, NV · 16595 days ago · 4 km deep · 96 km away
  13. 2.766km SE of Hawthorne, NV · 16595 days ago · 4 km deep · 97 km away
  14. 1.820km SE of Mammoth Lakes, CA · 16595 days ago · 4 km deep · 21 km away
  15. 2.410km SE of Mammoth Lakes, CA · 16596 days ago · 5 km deep · 11 km away
  16. 1.87km ENE of Mammoth Lakes, CA · 16596 days ago · 4 km deep · 7 km away
  17. 2.112km NE of Mammoth Lakes, CA · 16596 days ago · 4 km deep · 11 km away
  18. 2.011km NE of Mammoth Lakes, CA · 16596 days ago · 4 km deep · 9 km away
  19. 2.57km ENE of Mammoth Lakes, CA · 16596 days ago · 4 km deep · 6 km away
  20. 1.67km ESE of Mammoth Lakes, CA · 16596 days ago · 4 km deep · 7 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci514708. Read Wed, Sep 23, 2026, 7:27 AM UTC.