California earthquakes

M2.1 earthquake 13km NW of Parkfield, CA

A magnitude 2.1 earthquake struck 13km NW of Parkfield, CA on Sun, Aug 15, 2021, 5:27 PM PDT (00:27 UTC), 10 km (7 mi) below the surface.

A larger quake followed: M4.0 6km NW of Pinnacles, 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-08-16 00:27:31 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
35.979° N, 120.532° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
54°
Stations used
48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 48 in the 30 days before it.

After

  1. 2.62km SSE of Parkfield, CA · 1875 days ago · 6 km deep · 14 km away · felt by 3
  2. 2.410km NW of Pinnacles, CA · 1874 days ago · 3 km deep · 92 km away · felt by 2
  3. 2.112km W of Cantua Creek, CA · 1874 days ago · 17 km deep · 57 km away
  4. 3.016km ENE of New Idria, CA · 1874 days ago · 16 km deep · 53 km away · felt by 5
  5. 2.419km NNW of San Simeon, CA · 1873 days ago · 8 km deep · 69 km away
  6. 1.97km NNE of Greenfield, CA · 1872 days ago · 4 km deep · 75 km away · felt by 1
  7. 1.82km ENE of Cayucos, CA · 1871 days ago · 0 km deep · 66 km away
  8. 2.03km ENE of Lopez Point, CA · 1869 days ago · 9 km deep · 90 km away
  9. 1.96km ESE of Pinnacles, CA · 1869 days ago · 6 km deep · 76 km away
  10. 1.817km N of New Idria, CA · 1868 days ago · 10 km deep · 66 km away
  11. 1.65km NW of Parkfield, CA · 1868 days ago · 5 km deep · 7 km away
  12. 1.619km NNW of Coalinga, CA · 1867 days ago · 8 km deep · 35 km away
  13. 1.931km WNW of San Simeon, CA · 1867 days ago · 6 km deep · 95 km away
  14. 1.925km SSW of South Dos Palos, CA · 1866 days ago · 2 km deep · 87 km away
  15. 1.722km NW of San Simeon, CA · 1866 days ago · 4 km deep · 75 km away
  16. 1.827km NW of San Simeon, CA · 1865 days ago · 10 km deep · 78 km away
  17. 1.923km NW of Parkfield, CA · 1864 days ago · 6 km deep · 11 km away · felt by 1
  18. 1.825km NW of Parkfield, CA · 1864 days ago · 5 km deep · 12 km away
  19. 2.012km NW of Pinnacles, CA · 1863 days ago · 5 km deep · 95 km away
  20. 1.923km NNW of San Simeon, CA · 1863 days ago · 12 km deep · 72 km away
  21. 2.012km S of Home Garden, CA · 1863 days ago · 26 km deep · 86 km away
  22. 2.11km NE of Pinnacles, CA · 1863 days ago · 9 km deep · 82 km away
  23. 1.720km SW of New Idria, CA · 1862 days ago · 10 km deep · 45 km away
  24. 1.77km ENE of Pinnacles, CA · 1862 days ago · 12 km deep · 81 km away · felt by 1
  25. 1.57km NNW of Cholame, CA · 1861 days ago · 4 km deep · 29 km away
  26. 1.813km N of San Simeon, CA · 1861 days ago · 9 km deep · 64 km away
  27. 1.88km NW of Pinnacles, CA · 1861 days ago · 7 km deep · 90 km away · felt by 2
  28. 1.74km N of Pinnacles, CA · 1860 days ago · 6 km deep · 85 km away
  29. 2.017km N of San Simeon, CA · 1860 days ago · 10 km deep · 66 km away
  30. 4.06km NW of Pinnacles, CA · 1859 days ago · 9 km deep · 89 km away · felt by 265 · tsunami flag
  31. 1.711km WSW of Templeton, CA · 1859 days ago · 6 km deep · 56 km away
  32. 2.19km SE of Pinnacles, CA · 1858 days ago · 6 km deep · 73 km away
  33. 1.58km NNW of Pinnacles, CA · 1856 days ago · 7 km deep · 90 km away
  34. 2.311km WSW of Morro Bay, CA · 1855 days ago · 10 km deep · 82 km away · felt by 2
  35. 1.722km SSE of Lopez Point, CA · 1854 days ago · 12 km deep · 83 km away
  36. 1.722km SSE of Lopez Point, CA · 1853 days ago · 10 km deep · 84 km away
  37. 1.67km NNW of Pinnacles, CA · 1850 days ago · 8 km deep · 89 km away
  38. 2.216km NW of Pinnacles, CA · 1849 days ago · 4 km deep · 99 km away
  39. 1.723km WSW of New Idria, CA · 1849 days ago · 8 km deep · 49 km away
  40. 2.17km NNW of Pinnacles, CA · 1849 days ago · 8 km deep · 89 km away
  41. 2.08km N of Pinnacles, CA · 1849 days ago · 9 km deep · 88 km away
  42. 2.015km NW of Pinnacles, CA · 1847 days ago · 10 km deep · 97 km away · felt by 1
  43. 1.99km NNW of Avenal, CA · 1846 days ago · 12 km deep · 33 km away
  44. 2.313km NNE of Cambria, CA · 1846 days ago · 7 km deep · 56 km away · felt by 2
  45. 3.815km SSE of New Idria, CA · 1846 days ago · 17 km deep · 36 km away · felt by 29
  46. 1.88km ESE of Pinnacles, CA · 1846 days ago · 3 km deep · 75 km away
  47. 2.35km SSE of Parkfield, CA · 1844 days ago · 5 km deep · 18 km away
  48. 1.613km NW of Avenal, CA · 1844 days ago · 11 km deep · 31 km away
  49. 2.823km NW of Parkfield, CA · 1844 days ago · 4 km deep · 10 km away · felt by 2
  50. 2.07km NNW of Pinnacles, CA · 1843 days ago · 7 km deep · 89 km away
  51. 1.813km SE of Pinnacles, CA · 1842 days ago · 0 km deep · 69 km away
  52. 2.122km NE of San Lucas, CA · 1842 days ago · 7 km deep · 40 km away
  53. 2.010km SE of Pinnacles, CA · 1841 days ago · 9 km deep · 72 km away
  54. 1.57km NNW of Pinnacles, CA · 1839 days ago · 8 km deep · 89 km away
  55. 1.52km NNE of Pinnacles, CA · 1839 days ago · 6 km deep · 83 km away
  56. 1.98km NW of Pinnacles, CA · 1838 days ago · 8 km deep · 90 km away
  57. 1.816km N of New Idria, CA · 1838 days ago · 6 km deep · 65 km away
  58. 2.017km NW of New Idria, CA · 1837 days ago · 4 km deep · 66 km away
  59. 2.211km NW of Parkfield, CA · 1835 days ago · 10 km deep · 1 km away
  60. 1.611km WSW of Templeton, CA · 1835 days ago · 6 km deep · 57 km away · felt by 1

The first 60 of 88.

Before

  1. 2.04km ESE of Pinnacles, CA · 1876 days ago · 11 km deep · 79 km away · felt by 1
  2. 2.110km SSW of Stratford, CA · 1877 days ago · 2 km deep · 61 km away
  3. 1.69km ENE of Pinnacles, CA · 1877 days ago · 4 km deep · 80 km away
  4. 2.710km NNW of Pinnacles, CA · 1877 days ago · 6 km deep · 92 km away · felt by 5
  5. 2.210km NNW of Pinnacles, CA · 1877 days ago · 6 km deep · 91 km away
  6. 2.010km NNW of Pinnacles, CA · 1877 days ago · 5 km deep · 91 km away
  7. 2.510km NNW of Pinnacles, CA · 1877 days ago · 5 km deep · 91 km away · felt by 1
  8. 1.912km SSW of Cantua Creek, CA · 1878 days ago · 2 km deep · 50 km away
  9. 1.96km NNE of Pinnacles, CA · 1878 days ago · 9 km deep · 84 km away
  10. 1.78km WNW of Huron, CA · 1878 days ago · 10 km deep · 41 km away
  11. 1.513km WNW of Huron, CA · 1880 days ago · 10 km deep · 38 km away
  12. 1.923km NNE of San Ardo, CA · 1880 days ago · 9 km deep · 32 km away
  13. 1.616km SE of Pinnacles, CA · 1881 days ago · 3 km deep · 67 km away
  14. 1.810km SE of Home Garden, CA · 1881 days ago · 21 km deep · 92 km away
  15. 1.95km NE of Pinnacles, CA · 1881 days ago · 9 km deep · 84 km away
  16. 1.720km NW of Parkfield, CA · 1882 days ago · 4 km deep · 7 km away
  17. 1.923km SE of Pinnacles, CA · 1884 days ago · 10 km deep · 59 km away
  18. 2.33km SE of San Ardo, CA · 1884 days ago · 10 km deep · 32 km away
  19. 2.012km NW of Pinnacles, CA · 1884 days ago · 6 km deep · 94 km away
  20. 2.89km WNW of Templeton, CA · 1885 days ago · 6 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73610526. Read Sat, Oct 3, 2026, 11:41 PM UTC.