California earthquakes

M2.3 earthquake 19km NW of Parkfield, CA

A magnitude 2.3 earthquake struck 19km NW of Parkfield, CA on Wed, Jul 28, 2021, 8:29 PM PDT (03:29 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.0 6km NW of Pinnacles, CA. This one was a foreshock.

Coalinga forecastMore in California

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
2021-07-29 03:29:14 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
36.022° N, 120.583° W
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people 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 0.2 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
78°
Stations used
56

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 2.315km SE of Tres Pinos, CA · 1892 days ago · 9 km deep · 93 km away · felt by 2
  2. 2.27km NNW of Pinnacles, CA · 1892 days ago · 5 km deep · 82 km away
  3. 2.39km SSW of San Lucas, CA · 1891 days ago · 11 km deep · 43 km away
  4. 2.515km WSW of Cantua Creek, CA · 1891 days ago · 18 km deep · 51 km away
  5. 1.730km NE of Pinnacles, CA · 1891 days ago · 5 km deep · 78 km away
  6. 1.719km SSE of Lopez Point, CA · 1890 days ago · 3 km deep · 83 km away
  7. 1.87km SW of San Ardo, CA · 1890 days ago · 10 km deep · 34 km away
  8. 2.77km NNW of Cholame, CA · 1890 days ago · 9 km deep · 35 km away · felt by 3
  9. 2.320km SW of New Idria, CA · 1890 days ago · 10 km deep · 40 km away
  10. 2.212km NW of Pinnacles, CA · 1888 days ago · 5 km deep · 88 km away
  11. 1.712km NW of Pinnacles, CA · 1888 days ago · 5 km deep · 88 km away
  12. 1.68km WNW of Greenfield, CA · 1888 days ago · 8 km deep · 76 km away
  13. 1.72km ENE of Pinnacles, CA · 1887 days ago · 3 km deep · 75 km away
  14. 1.517km NE of Pinnacles, CA · 1887 days ago · 9 km deep · 79 km away
  15. 1.72km NNE of Pinnacles, CA · 1887 days ago · 9 km deep · 77 km away
  16. 2.13km NNW of Pinnacles, CA · 1886 days ago · 4 km deep · 79 km away
  17. 2.89km WNW of Templeton, CA · 1884 days ago · 6 km deep · 52 km away
  18. 2.012km NW of Pinnacles, CA · 1884 days ago · 6 km deep · 87 km away
  19. 2.33km SE of San Ardo, CA · 1883 days ago · 10 km deep · 27 km away
  20. 1.923km SE of Pinnacles, CA · 1883 days ago · 10 km deep · 52 km away
  21. 1.720km NW of Parkfield, CA · 1881 days ago · 4 km deep · 0 km away
  22. 1.95km NE of Pinnacles, CA · 1881 days ago · 9 km deep · 77 km away
  23. 1.810km SE of Home Garden, CA · 1881 days ago · 21 km deep · 95 km away
  24. 1.616km SE of Pinnacles, CA · 1880 days ago · 3 km deep · 60 km away
  25. 1.923km NNE of San Ardo, CA · 1880 days ago · 9 km deep · 25 km away
  26. 1.513km WNW of Huron, CA · 1880 days ago · 10 km deep · 38 km away
  27. 1.78km WNW of Huron, CA · 1878 days ago · 10 km deep · 42 km away
  28. 1.96km NNE of Pinnacles, CA · 1878 days ago · 9 km deep · 77 km away
  29. 1.912km SSW of Cantua Creek, CA · 1877 days ago · 2 km deep · 47 km away
  30. 2.510km NNW of Pinnacles, CA · 1876 days ago · 5 km deep · 85 km away · felt by 1
  31. 2.010km NNW of Pinnacles, CA · 1876 days ago · 5 km deep · 85 km away
  32. 2.210km NNW of Pinnacles, CA · 1876 days ago · 6 km deep · 85 km away
  33. 2.710km NNW of Pinnacles, CA · 1876 days ago · 6 km deep · 85 km away · felt by 5
  34. 1.69km ENE of Pinnacles, CA · 1876 days ago · 4 km deep · 73 km away
  35. 2.110km SSW of Stratford, CA · 1876 days ago · 2 km deep · 65 km away
  36. 2.04km ESE of Pinnacles, CA · 1875 days ago · 11 km deep · 72 km away · felt by 1
  37. 2.113km NW of Parkfield, CA · 1875 days ago · 10 km deep · 7 km away
  38. 2.62km SSE of Parkfield, CA · 1874 days ago · 6 km deep · 21 km away · felt by 3
  39. 2.410km NW of Pinnacles, CA · 1873 days ago · 3 km deep · 86 km away · felt by 2
  40. 2.112km W of Cantua Creek, CA · 1873 days ago · 17 km deep · 54 km away
  41. 3.016km ENE of New Idria, CA · 1873 days ago · 16 km deep · 49 km away · felt by 5
  42. 2.419km NNW of San Simeon, CA · 1872 days ago · 8 km deep · 66 km away
  43. 1.97km NNE of Greenfield, CA · 1872 days ago · 4 km deep · 69 km away · felt by 1
  44. 1.82km ENE of Cayucos, CA · 1871 days ago · 0 km deep · 69 km away
  45. 2.03km ENE of Lopez Point, CA · 1869 days ago · 9 km deep · 85 km away
  46. 1.96km ESE of Pinnacles, CA · 1869 days ago · 6 km deep · 70 km away
  47. 1.817km N of New Idria, CA · 1867 days ago · 10 km deep · 61 km away
  48. 1.65km NW of Parkfield, CA · 1867 days ago · 5 km deep · 14 km away
  49. 1.619km NNW of Coalinga, CA · 1867 days ago · 8 km deep · 31 km away
  50. 1.931km WNW of San Simeon, CA · 1866 days ago · 6 km deep · 92 km away
  51. 1.925km SSW of South Dos Palos, CA · 1866 days ago · 2 km deep · 82 km away
  52. 1.722km NW of San Simeon, CA · 1866 days ago · 4 km deep · 72 km away
  53. 1.827km NW of San Simeon, CA · 1865 days ago · 10 km deep · 75 km away
  54. 1.923km NW of Parkfield, CA · 1864 days ago · 6 km deep · 4 km away · felt by 1
  55. 1.825km NW of Parkfield, CA · 1863 days ago · 5 km deep · 6 km away
  56. 2.012km NW of Pinnacles, CA · 1863 days ago · 5 km deep · 88 km away
  57. 1.923km NNW of San Simeon, CA · 1863 days ago · 12 km deep · 69 km away
  58. 2.012km S of Home Garden, CA · 1863 days ago · 26 km deep · 90 km away
  59. 2.11km NE of Pinnacles, CA · 1863 days ago · 9 km deep · 76 km away
  60. 1.720km SW of New Idria, CA · 1861 days ago · 10 km deep · 38 km away

The first 60 of 102.

Before

  1. 3.47km NNW of Cholame, CA · 1893 days ago · 9 km deep · 35 km away · felt by 24
  2. 1.511km WSW of Huron, CA · 1895 days ago · 8 km deep · 36 km away
  3. 1.512km S of Tres Pinos, CA · 1896 days ago · 4 km deep · 100 km away
  4. 2.517km SSE of Lopez Point, CA · 1898 days ago · 12 km deep · 83 km away · felt by 4
  5. 2.612km NW of Parkfield, CA · 1898 days ago · 8 km deep · 7 km away · felt by 4
  6. 1.97km WNW of Paso Robles, CA · 1899 days ago · 8 km deep · 45 km away
  7. 2.03km E of Lemoore, CA · 1899 days ago · 15 km deep · 81 km away
  8. 2.28km NW of Cantua Creek, CA · 1900 days ago · 6 km deep · 63 km away
  9. 2.46km NNW of Cholame, CA · 1901 days ago · 8 km deep · 36 km away
  10. 1.79km NW of Pinnacles, CA · 1902 days ago · 8 km deep · 84 km away
  11. 2.616km NW of Pinnacles, CA · 1904 days ago · 5 km deep · 92 km away · felt by 3
  12. 1.712km E of Coalinga, CA · 1905 days ago · 7 km deep · 34 km away
  13. 1.82km NE of Pinnacles, CA · 1906 days ago · 9 km deep · 76 km away
  14. 1.912km S of Tres Pinos, CA · 1906 days ago · 5 km deep · 100 km away · felt by 1
  15. 1.94km NNW of Pinnacles, CA · 1906 days ago · 4 km deep · 80 km away · felt by 1
  16. 2.822km ENE of San Lucas, CA · 1908 days ago · 8 km deep · 30 km away · felt by 8
  17. 1.616km SSE of Tres Pinos, CA · 1909 days ago · 6 km deep · 93 km away
  18. 1.726km SSW of South Dos Palos, CA · 1909 days ago · 0 km deep · 81 km away
  19. 2.124km SSW of South Dos Palos, CA · 1909 days ago · 0 km deep · 82 km away
  20. 2.36km NNW of Pinnacles, CA · 1914 days ago · 6 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73601461. Read Sat, Oct 3, 2026, 2:05 PM UTC.