California earthquakes

M2.3 earthquake 24km NNE of Squaw Valley, CA

A magnitude 2.3 earthquake struck 24km NNE of Squaw Valley, CA on Mon, Feb 22, 2021, 5:46 PM PST (01:46 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M3.1 12km NNE of Round Valley, 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-02-23 01:46:29 UTC
Depth
43.2 km (26.8 mi), shallow
Epicenter
36.936° N, 119.141° W
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.5 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
119°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 64 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 1.917km WSW of Toms Place, CA · 2050 days ago · 6 km deep · 66 km away
  2. 2.914km S of Mammoth Lakes, CA · 2047 days ago · 2 km deep · 65 km away
  3. 1.712km ESE of Mammoth Lakes, CA · 2046 days ago · 0 km deep · 79 km away
  4. 1.621km SE of Yosemite Valley, CA · 2045 days ago · 6 km deep · 80 km away
  5. 2.818km SSE of Shaver Lake, CA · 2045 days ago · 33 km deep · 12 km away · felt by 32
  6. 1.75km N of Round Valley, CA · 2045 days ago · 13 km deep · 75 km away
  7. 1.99km E of Mammoth Lakes, CA · 2044 days ago · 2 km deep · 81 km away
  8. 2.17 km SE of Big Pine, California · 2044 days ago · 0 km deep · 83 km away
  9. 1.819km E of Big Pine, CA · 2042 days ago · 1 km deep · 98 km away
  10. 2.614km S of Mariposa, CA · 2040 days ago · 19 km deep · 89 km away · felt by 10
  11. 2.013km WNW of Round Valley, CA · 2039 days ago · 10 km deep · 66 km away
  12. 2.221km ENE of Le Grand, CA · 2038 days ago · 19 km deep · 88 km away
  13. 1.87km NE of Wilkerson, CA · 2038 days ago · 11 km deep · 83 km away
  14. 3.112km NNE of Round Valley, CA · 2037 days ago · 10 km deep · 83 km away · felt by 29
  15. 2.38km ESE of Mammoth Lakes, CA · 2037 days ago · 3 km deep · 77 km away
  16. 1.68km ESE of Mammoth Lakes, CA · 2037 days ago · 2 km deep · 77 km away
  17. 2.17km SE of Bishop, CA · 2035 days ago · 11 km deep · 84 km away
  18. 1.918km SSE of Shaver Lake, CA · 2035 days ago · 33 km deep · 12 km away
  19. 2.47km SE of North Fork, CA · 2033 days ago · 43 km deep · 40 km away
  20. 1.622km ESE of Yosemite Valley, CA · 2032 days ago · 13 km deep · 80 km away
  21. 1.914km SE of Mammoth Lakes, CA · 2032 days ago · 7 km deep · 75 km away
  22. 1.511km WNW of Toms Place, CA · 2030 days ago · 7 km deep · 78 km away
  23. 2.717km SW of Toms Place, CA · 2029 days ago · 6 km deep · 65 km away · felt by 1
  24. 1.517km SW of Toms Place, CA · 2028 days ago · 6 km deep · 65 km away
  25. 1.612km NNE of Round Valley, CA · 2027 days ago · 10 km deep · 83 km away
  26. 2.113km W of Toms Place, CA · 2027 days ago · 5 km deep · 73 km away
  27. 2.219km SW of Toms Place, CA · 2024 days ago · 10 km deep · 64 km away
  28. 2.819km SW of Toms Place, CA · 2024 days ago · 11 km deep · 64 km away · felt by 2
  29. 2.27km NNE of Oakhurst, CA · 2024 days ago · 49 km deep · 65 km away
  30. 1.89km WSW of Toms Place, CA · 2023 days ago · 8 km deep · 75 km away
  31. 1.89km W of Toms Place, CA · 2022 days ago · 8 km deep · 75 km away
  32. 1.813km S of Mariposa, CA · 2021 days ago · 27 km deep · 90 km away
  33. 1.614km ESE of Yosemite Valley, CA · 2020 days ago · 2 km deep · 88 km away
  34. 1.817km SSE of Mammoth Lakes, CA · 2019 days ago · 9 km deep · 68 km away
  35. 1.615km ESE of Yosemite Valley, CA · 2016 days ago · -2 km deep · 86 km away
  36. 2.322km SW of Big Pine, CA · 2013 days ago · 7 km deep · 62 km away · felt by 1
  37. 1.76km NW of Yosemite Lakes, CA · 2010 days ago · 20 km deep · 69 km away
  38. 1.77km W of Madera, CA · 2008 days ago · 18 km deep · 89 km away
  39. 1.67km E of North Fork, CA · 2008 days ago · 25 km deep · 42 km away
  40. 1.621km SE of Yosemite Valley, CA · 2008 days ago · 8 km deep · 81 km away
  41. 1.98km ESE of Oakhurst, CA · 2007 days ago · 37 km deep · 55 km away
  42. 1.79km NNW of Yosemite Lakes, CA · 2005 days ago · 18 km deep · 71 km away
  43. 1.918km SW of Toms Place, CA · 2004 days ago · 4 km deep · 64 km away
  44. 1.814km ESE of Yosemite Valley, CA · 2004 days ago · 18 km deep · 88 km away
  45. 2.011km SE of Mammoth Lakes, CA · 2003 days ago · 5 km deep · 72 km away
  46. 1.813km SE of Mammoth Lakes, CA · 2003 days ago · 6 km deep · 74 km away
  47. 1.613km SE of Mammoth Lakes, CA · 2002 days ago · 6 km deep · 74 km away
  48. 2.52km S of Round Valley, CA · 2001 days ago · 13 km deep · 70 km away
  49. 1.82km NNE of Wilkerson, CA · 2001 days ago · 12 km deep · 79 km away
  50. 2.813km W of Toms Place, CA · 2001 days ago · 4 km deep · 76 km away · felt by 1
  51. 1.924km ESE of Yosemite Valley, CA · 2000 days ago · 25 km deep · 80 km away
  52. 1.522km ESE of Yosemite Valley, CA · 2000 days ago · 15 km deep · 81 km away
  53. 1.521km ESE of Yosemite Valley, CA · 2000 days ago · 6 km deep · 81 km away
  54. 1.622km ESE of Yosemite Valley, CA · 1998 days ago · 15 km deep · 81 km away
  55. 1.520km NNW of Toms Place, CA · 1996 days ago · 7 km deep · 94 km away
  56. 2.99km W of Toms Place, CA · 1994 days ago · 8 km deep · 75 km away · felt by 5
  57. 1.910km ENE of Biola, CA · 1993 days ago · 20 km deep · 71 km away
  58. 2.615km ESE of Yosemite Valley, CA · 1992 days ago · 18 km deep · 87 km away · felt by 8
  59. 3.19km WSW of Toms Place, CA · 1992 days ago · 8 km deep · 75 km away · felt by 9
  60. 1.514km ESE of Yosemite Valley, CA · 1992 days ago · 15 km deep · 87 km away

The first 60 of 64.

Before

  1. 2.415km ENE of Big Pine, CA · 2054 days ago · 9 km deep · 95 km away · felt by 2
  2. 1.826km NE of Oakhurst, CA · 2054 days ago · 11 km deep · 65 km away
  3. 3.414km NE of Big Pine, CA · 2054 days ago · 9 km deep · 93 km away · felt by 9
  4. 1.97km E of Wilkerson, CA · 2056 days ago · 13 km deep · 83 km away
  5. 2.515km WSW of Toms Place, CA · 2057 days ago · 5 km deep · 69 km away · felt by 1
  6. 3.76km ESE of Wilkerson, CA · 2059 days ago · 12 km deep · 81 km away · felt by 58
  7. 1.613km WSW of Wilkerson, CA · 2059 days ago · 16 km deep · 64 km away
  8. 1.51km E of Yosemite Lakes, CA · 2059 days ago · 21 km deep · 62 km away
  9. 2.313km W of Toms Place, CA · 2059 days ago · 7 km deep · 73 km away
  10. 1.98km E of Mammoth Lakes, CA · 2061 days ago · 3 km deep · 82 km away
  11. 1.618km S of Bootjack, CA · 2063 days ago · 27 km deep · 80 km away
  12. 1.717km WSW of Round Valley, CA · 2063 days ago · 10 km deep · 58 km away
  13. 1.86km SW of Round Valley, CA · 2063 days ago · 13 km deep · 66 km away
  14. 1.95km SW of Round Valley, CA · 2063 days ago · 12 km deep · 67 km away
  15. 2.223km S of Mammoth Lakes, CA · 2064 days ago · 3 km deep · 56 km away
  16. 2.85km NE of Round Valley, CA · 2065 days ago · 13 km deep · 77 km away
  17. 1.717km ESE of Yosemite Valley, CA · 2067 days ago · 19 km deep · 84 km away
  18. 1.713km W of Toms Place, CA · 2068 days ago · 4 km deep · 76 km away
  19. 2.413km W of Toms Place, CA · 2069 days ago · 3 km deep · 75 km away
  20. 2.44km NE of Lemoore, CA · 2070 days ago · 30 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73526606. Read Mon, Oct 5, 2026, 2:21 AM UTC.