California earthquakes

M1.7 earthquake 20km SW of New Idria, CA

A magnitude 1.7 earthquake struck 20km SW of New Idria, CA on Sat, Aug 28, 2021, 11:12 PM PDT (06:12 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.7 18km NW of San Simeon, 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-08-29 06:12:20 UTC
Depth
10.4 km (6.4 mi), shallow
Epicenter
36.295° N, 120.839° 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 0.6 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
131°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 134 in the 60 days after this one and 69 in the 30 days before it.

After

  1. 1.77km ENE of Pinnacles, CA · 1861 days ago · 12 km deep · 37 km away · felt by 1
  2. 1.57km NNW of Cholame, CA · 1861 days ago · 4 km deep · 73 km away
  3. 1.813km N of San Simeon, CA · 1861 days ago · 9 km deep · 68 km away
  4. 1.88km NW of Pinnacles, CA · 1861 days ago · 7 km deep · 45 km away · felt by 2
  5. 1.74km N of Pinnacles, CA · 1860 days ago · 6 km deep · 41 km away
  6. 1.718km SSW of Gustine, CA · 1860 days ago · 7 km deep · 92 km away
  7. 2.017km N of San Simeon, CA · 1860 days ago · 10 km deep · 65 km away
  8. 1.73km ESE of Aromas, CA · 1860 days ago · 7 km deep · 95 km away · felt by 2
  9. 4.06km NW of Pinnacles, CA · 1859 days ago · 9 km deep · 44 km away · felt by 265 · tsunami flag
  10. 1.711km WSW of Templeton, CA · 1859 days ago · 6 km deep · 85 km away
  11. 2.19km SE of Pinnacles, CA · 1858 days ago · 6 km deep · 29 km away
  12. 1.58km NNW of Pinnacles, CA · 1856 days ago · 7 km deep · 45 km away
  13. 1.913km SSE of Tres Pinos, CA · 1854 days ago · 6 km deep · 59 km away
  14. 1.722km SSE of Lopez Point, CA · 1854 days ago · 12 km deep · 74 km away
  15. 1.611km ESE of Gilroy, CA · 1853 days ago · 5 km deep · 93 km away · felt by 3
  16. 1.722km SSE of Lopez Point, CA · 1853 days ago · 10 km deep · 74 km away
  17. 2.515km SSE of Tres Pinos, CA · 1851 days ago · 5 km deep · 56 km away · felt by 3
  18. 1.67km NNW of Pinnacles, CA · 1850 days ago · 8 km deep · 45 km away
  19. 2.216km NW of Pinnacles, CA · 1849 days ago · 4 km deep · 54 km away
  20. 1.723km WSW of New Idria, CA · 1849 days ago · 8 km deep · 5 km away
  21. 2.17km NNW of Pinnacles, CA · 1849 days ago · 8 km deep · 45 km away
  22. 2.08km N of Pinnacles, CA · 1849 days ago · 9 km deep · 44 km away
  23. 2.015km NW of Pinnacles, CA · 1847 days ago · 10 km deep · 53 km away · felt by 1
  24. 1.99km NNW of Avenal, CA · 1846 days ago · 12 km deep · 64 km away
  25. 2.313km NNE of Cambria, CA · 1846 days ago · 7 km deep · 71 km away · felt by 2
  26. 3.815km SSE of New Idria, CA · 1845 days ago · 17 km deep · 22 km away · felt by 29
  27. 1.88km ESE of Pinnacles, CA · 1845 days ago · 3 km deep · 31 km away
  28. 2.35km SSE of Parkfield, CA · 1844 days ago · 5 km deep · 62 km away
  29. 1.613km NW of Avenal, CA · 1844 days ago · 11 km deep · 60 km away
  30. 2.823km NW of Parkfield, CA · 1844 days ago · 4 km deep · 34 km away · felt by 2
  31. 2.07km NNW of Pinnacles, CA · 1843 days ago · 7 km deep · 45 km away
  32. 1.59km SSW of Tres Pinos, CA · 1843 days ago · 1 km deep · 68 km away
  33. 1.813km SE of Pinnacles, CA · 1842 days ago · 0 km deep · 25 km away
  34. 2.122km NE of San Lucas, CA · 1842 days ago · 7 km deep · 6 km away
  35. 2.012km NNE of Hollister, CA · 1841 days ago · 8 km deep · 84 km away · felt by 1
  36. 1.96km NNE of Los Banos, CA · 1841 days ago · 5 km deep · 90 km away
  37. 2.05km NNE of Los Banos, CA · 1841 days ago · 5 km deep · 90 km away
  38. 2.15km NNE of Los Banos, CA · 1841 days ago · 6 km deep · 89 km away
  39. 2.46km NNE of Los Banos, CA · 1841 days ago · 6 km deep · 90 km away · felt by 4
  40. 2.010km SE of Pinnacles, CA · 1841 days ago · 9 km deep · 28 km away
  41. 2.112km NNE of Hollister, CA · 1840 days ago · 7 km deep · 84 km away · felt by 2
  42. 1.57km NNW of Pinnacles, CA · 1839 days ago · 8 km deep · 45 km away
  43. 1.52km NNE of Pinnacles, CA · 1839 days ago · 6 km deep · 39 km away
  44. 1.913km SSW of Tres Pinos, CA · 1838 days ago · 10 km deep · 65 km away
  45. 1.98km NW of Pinnacles, CA · 1838 days ago · 8 km deep · 45 km away
  46. 1.816km N of New Idria, CA · 1838 days ago · 6 km deep · 34 km away
  47. 2.017km NW of New Idria, CA · 1837 days ago · 4 km deep · 27 km away
  48. 2.211km NW of Parkfield, CA · 1835 days ago · 10 km deep · 46 km away
  49. 1.611km WSW of Templeton, CA · 1835 days ago · 6 km deep · 85 km away · felt by 1
  50. 1.67km NW of Pinnacles, CA · 1834 days ago · 7 km deep · 45 km away
  51. 1.96km S of Tres Pinos, CA · 1834 days ago · 10 km deep · 66 km away
  52. 1.910km W of Avenal, CA · 1833 days ago · 15 km deep · 62 km away
  53. 2.810km W of Avenal, CA · 1833 days ago · 16 km deep · 62 km away · felt by 4
  54. 2.18km SSW of Tres Pinos, CA · 1833 days ago · 3 km deep · 67 km away · felt by 1
  55. 3.24km NNW of Cholame, CA · 1831 days ago · 4 km deep · 76 km away · felt by 4
  56. 1.710km NW of Pinnacles, CA · 1831 days ago · 1 km deep · 47 km away
  57. 1.75km S of San Juan Bautista, CA · 1830 days ago · 7 km deep · 84 km away
  58. 2.014km SSE of Tres Pinos, CA · 1830 days ago · 5 km deep · 57 km away
  59. 1.66km WSW of Kettleman City, CA · 1830 days ago · 4 km deep · 81 km away
  60. 2.86km NW of Pinnacles, CA · 1830 days ago · 8 km deep · 44 km away · felt by 2

The first 60 of 134.

Before

  1. 2.11km NE of Pinnacles, CA · 1863 days ago · 9 km deep · 38 km away
  2. 1.923km NNW of San Simeon, CA · 1863 days ago · 12 km deep · 68 km away
  3. 2.012km NW of Pinnacles, CA · 1863 days ago · 5 km deep · 50 km away
  4. 2.111km SSW of Fairmead, CA · 1863 days ago · 18 km deep · 93 km away
  5. 1.825km NW of Parkfield, CA · 1863 days ago · 5 km deep · 33 km away
  6. 1.923km NW of Parkfield, CA · 1864 days ago · 6 km deep · 34 km away · felt by 1
  7. 1.827km NW of San Simeon, CA · 1865 days ago · 10 km deep · 71 km away
  8. 1.722km NW of San Simeon, CA · 1866 days ago · 4 km deep · 71 km away
  9. 1.925km SSW of South Dos Palos, CA · 1866 days ago · 2 km deep · 51 km away
  10. 1.931km WNW of San Simeon, CA · 1866 days ago · 6 km deep · 91 km away
  11. 1.824km SSW of Los Banos, CA · 1867 days ago · 6 km deep · 65 km away
  12. 1.619km NNW of Coalinga, CA · 1867 days ago · 8 km deep · 33 km away
  13. 1.624km SSW of Los Banos, CA · 1867 days ago · 2 km deep · 65 km away
  14. 1.65km NW of Parkfield, CA · 1867 days ago · 5 km deep · 52 km away
  15. 1.817km N of New Idria, CA · 1867 days ago · 10 km deep · 34 km away
  16. 1.96km ESE of Pinnacles, CA · 1869 days ago · 6 km deep · 32 km away
  17. 2.03km ENE of Lopez Point, CA · 1869 days ago · 9 km deep · 69 km away
  18. 3.15km S of Ridgemark, CA · 1869 days ago · 9 km deep · 71 km away · felt by 17
  19. 1.82km ENE of Cayucos, CA · 1871 days ago · 0 km deep · 94 km away
  20. 1.97km NNE of Greenfield, CA · 1872 days ago · 4 km deep · 34 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73617291. Read Sat, Oct 3, 2026, 4:32 PM UTC.