California earthquakes

M1.6 earthquake 9km NW of Round Valley, CA

A magnitude 1.6 earthquake struck 9km NW of Round Valley, CA on Sat, Dec 18, 2021, 10:07 AM PST (18:07 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.8 8km ESE of Deep Springs, CA. 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-12-18 18:07:05 UTC
Depth
-0.4 km (-0.2 mi), shallow
Epicenter
37.468° N, 118.669° 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, 31.6 km in depth
Magnitude uncertainty
±0.20
Depth from
Operator assigned
Station coverage gap
115°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 132 in the 60 days after this one and 62 in the 30 days before it.

After

  1. 2.322km E of Toms Place, CA · 1750 days ago · 7 km deep · 25 km away
  2. 1.88km NNE of Round Valley, CA · 1750 days ago · 6 km deep · 10 km away
  3. 1.927 km S of Mina, Nevada · 1749 days ago · 3 km deep · 92 km away
  4. 1.526 km SSE of Mina, Nevada · 1749 days ago · 2 km deep · 100 km away
  5. 1.77km E of Round Valley, CA · 1747 days ago · 6 km deep · 15 km away
  6. 1.827 km SSW of Mina, Nevada · 1745 days ago · 8 km deep · 86 km away
  7. 2.417km WSW of Mammoth Lakes, CA · 1743 days ago · 4 km deep · 43 km away
  8. 1.930km NE of Oakhurst, CA · 1743 days ago · 8 km deep · 63 km away
  9. 1.617km WSW of Mammoth Lakes, CA · 1743 days ago · 3 km deep · 43 km away
  10. 1.829km NE of Oakhurst, CA · 1742 days ago · 15 km deep · 63 km away
  11. 2.28km NNW of West Bishop, CA · 1742 days ago · 11 km deep · 16 km away · felt by 1
  12. 2.139km NNE of Toms Place, CA · 1741 days ago · 7 km deep · 49 km away
  13. 1.627 km SSW of Mina, Nevada · 1740 days ago · 8 km deep · 86 km away
  14. 1.523 km NE of Mono City, California · 1739 days ago · 4 km deep · 81 km away
  15. 1.727 km SSE of Mina, Nevada · 1739 days ago · 1 km deep · 100 km away
  16. 1.511km E of Mammoth Lakes, CA · 1738 days ago · 3 km deep · 26 km away
  17. 2.528km SE of Bodie, CA · 1738 days ago · 10 km deep · 66 km away
  18. 2.712km SSE of Bodie, CA · 1737 days ago · 17 km deep · 76 km away
  19. 1.919km SW of Big Pine, CA · 1736 days ago · 11 km deep · 48 km away
  20. 1.527 km SSE of Mina, Nevada · 1736 days ago · 2 km deep · 98 km away
  21. 1.617km WSW of Toms Place, CA · 1735 days ago · 5 km deep · 17 km away
  22. 1.811 km N of Independence, California · 1735 days ago · 6 km deep · 76 km away
  23. 1.5California-Nevada border region · 1734 days ago · 10 km deep · 79 km away
  24. 2.030km ENE of Shaver Lake, CA · 1734 days ago · 15 km deep · 41 km away
  25. 2.69km ENE of Round Valley, CA · 1733 days ago · 5 km deep · 15 km away · felt by 1
  26. 1.89km NNW of West Bishop, CA · 1733 days ago · 5 km deep · 15 km away
  27. 1.85km NE of Big Pine, CA · 1733 days ago · 4 km deep · 47 km away
  28. 4.88km ESE of Deep Springs, CA · 1732 days ago · 10 km deep · 69 km away · felt by 526
  29. 2.08km ESE of Deep Springs, CA · 1732 days ago · 8 km deep · 69 km away · felt by 9
  30. 1.538 km SSE of Dyer, Nevada · 1732 days ago · 2 km deep · 74 km away
  31. 2.241km NNE of Toms Place, CA · 1732 days ago · 8 km deep · 50 km away
  32. 2.240km NNE of Toms Place, CA · 1732 days ago · 7 km deep · 50 km away
  33. 1.537 km SSE of Dyer, Nevada · 1732 days ago · 3 km deep · 70 km away
  34. 1.738 km ENE of Big Pine, California · 1732 days ago · 1 km deep · 69 km away
  35. 2.516km WSW of Toms Place, CA · 1731 days ago · 4 km deep · 15 km away
  36. 2.46km N of Round Valley, CA · 1731 days ago · 13 km deep · 7 km away
  37. 1.917km WSW of Toms Place, CA · 1731 days ago · 4 km deep · 15 km away
  38. 1.68km ESE of Deep Springs, CA · 1731 days ago · 5 km deep · 69 km away
  39. 1.77km ESE of Deep Springs, CA · 1731 days ago · 8 km deep · 68 km away
  40. 3.08km ESE of Deep Springs, CA · 1731 days ago · 9 km deep · 69 km away · felt by 1
  41. 1.78km ESE of Deep Springs, CA · 1731 days ago · 5 km deep · 69 km away
  42. 2.41km ENE of Bishop, CA · 1730 days ago · 5 km deep · 28 km away · felt by 1
  43. 1.526 km SSE of Mina, Nevada · 1730 days ago · 2 km deep · 99 km away
  44. 1.531km SSW of Round Valley, CA · 1730 days ago · 13 km deep · 35 km away
  45. 2.010km ESE of Deep Springs, CA · 1729 days ago · 7 km deep · 70 km away
  46. 2.034km E of Lee Vining, CA · 1728 days ago · 0 km deep · 57 km away
  47. 1.528 km SSE of Mina, Nevada · 1727 days ago · 12 km deep · 97 km away
  48. 1.62km WNW of Dixon Lane-Meadow Creek, CA · 1726 days ago · 8 km deep · 22 km away
  49. 1.815km SW of Toms Place, CA · 1725 days ago · 7 km deep · 13 km away
  50. 2.334km E of Lee Vining, CA · 1724 days ago · 11 km deep · 57 km away
  51. 2.028 km N of Dyer, Nevada · 1723 days ago · 10 km deep · 71 km away
  52. 2.317km WSW of Toms Place, CA · 1722 days ago · 4 km deep · 16 km away
  53. 1.725 km SSE of Dyer, Nevada · 1722 days ago · 0 km deep · 64 km away
  54. 1.716km WSW of Toms Place, CA · 1722 days ago · 4 km deep · 15 km away
  55. 1.930 km S of Mina, Nevada · 1721 days ago · 12 km deep · 86 km away
  56. 1.515km E of Bodie, CA · 1720 days ago · 3 km deep · 81 km away
  57. 1.820km SE of Yosemite Valley, CA · 1719 days ago · 15 km deep · 67 km away
  58. 2.615km WSW of Deep Springs, CA · 1717 days ago · 13 km deep · 49 km away
  59. 1.515km WSW of Toms Place, CA · 1717 days ago · 7 km deep · 15 km away
  60. 2.028 km SSW of Mina, Nevada · 1716 days ago · 7 km deep · 86 km away

The first 60 of 132.

Before

  1. 1.830 km S of Mina, Nevada · 1751 days ago · 2 km deep · 90 km away
  2. 1.532km ENE of Shaver Lake, CA · 1751 days ago · 22 km deep · 40 km away
  3. 2.427 km S of Mina, Nevada · 1751 days ago · 6 km deep · 93 km away
  4. 1.735 km NW of Silver Peak, Nevada · 1752 days ago · 1 km deep · 86 km away
  5. 1.526 km S of Mina, Nevada · 1752 days ago · 7 km deep · 89 km away
  6. 2.14km WSW of Squaw Valley, CA · 1755 days ago · 13 km deep · 99 km away
  7. 1.928 km SSE of Mina, Nevada · 1755 days ago · 9 km deep · 98 km away
  8. 2.216km SW of Toms Place, CA · 1755 days ago · 6 km deep · 13 km away · felt by 1
  9. 1.67km ENE of Mammoth Lakes, CA · 1755 days ago · -1 km deep · 29 km away
  10. 1.5Nevada · 1756 days ago · 12 km deep · 100 km away
  11. 2.124km ENE of Toms Place, CA · 1757 days ago · 5 km deep · 28 km away
  12. 1.96km NW of Round Valley, CA · 1757 days ago · 12 km deep · 3 km away
  13. 1.520km WSW of Wilkerson, CA · 1758 days ago · 13 km deep · 31 km away
  14. 1.529 km SSE of Mina, Nevada · 1759 days ago · 11 km deep · 99 km away
  15. 1.914km WNW of Toms Place, CA · 1759 days ago · 4 km deep · 21 km away
  16. 2.014km WNW of Toms Place, CA · 1760 days ago · 4 km deep · 21 km away
  17. 1.514km WNW of Toms Place, CA · 1760 days ago · 4 km deep · 21 km away
  18. 1.714km WSW of Toms Place, CA · 1761 days ago · 9 km deep · 15 km away
  19. 1.719km SSE of Bodie, CA · 1761 days ago · 4 km deep · 69 km away
  20. 1.530 km SSE of Mina, Nevada · 1762 days ago · 11 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73665376. Read Sun, Oct 4, 2026, 4:54 AM UTC.