California earthquakes

M1.5 earthquake 4km NNW of Pinnacles, CA

A magnitude 1.5 earthquake struck 4km NNW of Pinnacles, CA on Thu, Sep 30, 2021, 9:52 AM PDT (16:52 UTC), 9 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-09-30 16:52:30 UTC
Depth
9.1 km (5.6 mi), shallow
Epicenter
36.563° N, 121.164° 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
64°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 141 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 1.99km NNE of New Idria, CA · 1829 days ago · 9 km deep · 48 km away
  2. 1.814km SSE of Tres Pinos, CA · 1829 days ago · 2 km deep · 16 km away
  3. 2.014km SSE of Tres Pinos, CA · 1829 days ago · 4 km deep · 15 km away
  4. 1.516km SSE of Tres Pinos, CA · 1828 days ago · 5 km deep · 13 km away · felt by 1
  5. 3.312km NNE of Morgan Hill, CA · 1827 days ago · 4 km deep · 85 km away · felt by 103
  6. 2.27km SE of Pinnacles, CA · 1827 days ago · 5 km deep · 11 km away · felt by 1
  7. 1.513km NE of Coalinga, CA · 1826 days ago · 11 km deep · 89 km away
  8. 3.714km WNW of Pinnacles, CA · 1826 days ago · 6 km deep · 12 km away · felt by 531
  9. 1.517km SSE of Tres Pinos, CA · 1826 days ago · 1 km deep · 13 km away
  10. 2.07km ESE of Pinnacles, CA · 1826 days ago · 6 km deep · 11 km away · felt by 1
  11. 2.46km SE of Pinnacles, CA · 1826 days ago · 3 km deep · 10 km away · felt by 7
  12. 1.814km WNW of Pinnacles, CA · 1826 days ago · 7 km deep · 11 km away
  13. 1.914km WNW of Pinnacles, CA · 1826 days ago · 7 km deep · 11 km away · felt by 1
  14. 2.213km S of Tres Pinos, CA · 1825 days ago · 4 km deep · 18 km away · felt by 1
  15. 1.913km S of Tres Pinos, CA · 1825 days ago · 3 km deep · 17 km away · felt by 1
  16. 1.615km SE of Pinnacles, CA · 1823 days ago · 1 km deep · 18 km away
  17. 2.16km S of San Juan Bautista, CA · 1821 days ago · 8 km deep · 41 km away
  18. 1.612km SE of Pinnacles, CA · 1821 days ago · 7 km deep · 16 km away
  19. 1.76km NNE of Pinnacles, CA · 1817 days ago · 8 km deep · 4 km away
  20. 1.714km SSE of Tres Pinos, CA · 1817 days ago · 2 km deep · 16 km away
  21. 1.822km NNE of San Ardo, CA · 1816 days ago · 4 km deep · 55 km away
  22. 1.610km NNE of San Simeon, CA · 1815 days ago · 8 km deep · 93 km away
  23. 1.917km NNE of San Simeon, CA · 1815 days ago · 6 km deep · 87 km away
  24. 2.124km NE of King City, CA · 1815 days ago · 8 km deep · 31 km away · felt by 1
  25. 2.011km SSW of Ridgemark, CA · 1814 days ago · 7 km deep · 29 km away
  26. 2.012km S of Tres Pinos, CA · 1813 days ago · 5 km deep · 18 km away
  27. 1.615km NW of Pinnacles, CA · 1813 days ago · 10 km deep · 12 km away
  28. 2.26km NNW of Pinnacles, CA · 1812 days ago · 5 km deep · 2 km away · felt by 1
  29. 2.88km NE of Coalinga, CA · 1812 days ago · 10 km deep · 87 km away
  30. 3.47km NE of Coalinga, CA · 1812 days ago · 10 km deep · 87 km away · felt by 24
  31. 2.94km SSW of San Juan Bautista, CA · 1812 days ago · 7 km deep · 44 km away · felt by 20
  32. 2.27km N of Pinnacles, CA · 1811 days ago · 8 km deep · 5 km away
  33. 2.712km S of Tres Pinos, CA · 1810 days ago · 5 km deep · 18 km away · felt by 2
  34. 3.713km S of Tres Pinos, CA · 1810 days ago · 7 km deep · 18 km away · felt by 155
  35. 1.612km S of Tres Pinos, CA · 1810 days ago · 4 km deep · 19 km away · felt by 1
  36. 2.512km S of Tres Pinos, CA · 1810 days ago · 5 km deep · 18 km away · felt by 5
  37. 1.613km S of Tres Pinos, CA · 1810 days ago · 4 km deep · 18 km away
  38. 1.77km NE of Coalinga, CA · 1810 days ago · 10 km deep · 87 km away
  39. 1.614km S of Tres Pinos, CA · 1809 days ago · 8 km deep · 17 km away
  40. 2.011km SE of Pinnacles, CA · 1809 days ago · 7 km deep · 15 km away
  41. 1.812km S of Tres Pinos, CA · 1808 days ago · 5 km deep · 19 km away
  42. 2.36km SSW of Gilroy, CA · 1807 days ago · 4 km deep · 58 km away · felt by 2
  43. 1.96km ENE of Hollister, CA · 1807 days ago · 8 km deep · 38 km away
  44. 2.15km NE of New Idria, CA · 1807 days ago · 13 km deep · 49 km away
  45. 1.53km SW of Hollister, CA · 1807 days ago · 8 km deep · 37 km away · felt by 1
  46. 2.16km NNW of Pinnacles, CA · 1805 days ago · 7 km deep · 2 km away
  47. 1.67km WNW of Pinnacles, CA · 1805 days ago · 2 km deep · 5 km away
  48. 1.922km NE of Morgan Hill, CA · 1805 days ago · 9 km deep · 83 km away
  49. 2.27km NNW of Pinnacles, CA · 1805 days ago · 7 km deep · 3 km away
  50. 2.17km NNW of Pinnacles, CA · 1805 days ago · 7 km deep · 3 km away
  51. 4.718km NW of San Simeon, CA · 1805 days ago · 8 km deep · 88 km away · felt by 619 · tsunami flag
  52. 3.517km NW of San Simeon, CA · 1805 days ago · 6 km deep · 89 km away · felt by 35
  53. 1.919km NW of San Simeon, CA · 1805 days ago · 6 km deep · 88 km away · felt by 3
  54. 1.817km NNW of San Simeon, CA · 1805 days ago · 4 km deep · 88 km away
  55. 2.218km NW of San Simeon, CA · 1805 days ago · 7 km deep · 89 km away · felt by 2
  56. 2.218km NNW of San Simeon, CA · 1805 days ago · 6 km deep · 88 km away
  57. 2.020km NNW of San Simeon, CA · 1805 days ago · 5 km deep · 86 km away
  58. 1.918km NNW of San Simeon, CA · 1805 days ago · 6 km deep · 87 km away
  59. 1.618km NNW of San Simeon, CA · 1805 days ago · 5 km deep · 88 km away
  60. 1.710km S of Tres Pinos, CA · 1803 days ago · 3 km deep · 22 km away

The first 60 of 141.

Before

  1. 2.07km NNW of Pinnacles, CA · 1831 days ago · 8 km deep · 3 km away
  2. 2.86km NW of Pinnacles, CA · 1831 days ago · 8 km deep · 3 km away · felt by 2
  3. 2.014km SSE of Tres Pinos, CA · 1831 days ago · 5 km deep · 16 km away
  4. 1.75km S of San Juan Bautista, CA · 1831 days ago · 7 km deep · 43 km away
  5. 2.812km W of Moss Landing, CA · 1832 days ago · 8 km deep · 72 km away · felt by 123
  6. 1.710km NW of Pinnacles, CA · 1832 days ago · 1 km deep · 6 km away
  7. 1.612km W of Moss Landing, CA · 1832 days ago · 10 km deep · 72 km away
  8. 2.18km SSW of Tres Pinos, CA · 1834 days ago · 3 km deep · 25 km away · felt by 1
  9. 1.96km S of Tres Pinos, CA · 1835 days ago · 10 km deep · 25 km away
  10. 1.67km NW of Pinnacles, CA · 1835 days ago · 7 km deep · 3 km away
  11. 2.211km NW of Parkfield, CA · 1836 days ago · 10 km deep · 88 km away
  12. 2.017km NW of New Idria, CA · 1838 days ago · 4 km deep · 34 km away
  13. 3.212km W of Moss Landing, CA · 1838 days ago · 9 km deep · 72 km away · felt by 500
  14. 1.816km N of New Idria, CA · 1839 days ago · 6 km deep · 46 km away
  15. 1.98km NW of Pinnacles, CA · 1839 days ago · 8 km deep · 4 km away
  16. 1.913km SSW of Tres Pinos, CA · 1839 days ago · 10 km deep · 24 km away
  17. 1.52km NNE of Pinnacles, CA · 1840 days ago · 6 km deep · 3 km away
  18. 1.57km NNW of Pinnacles, CA · 1840 days ago · 8 km deep · 3 km away
  19. 2.112km NNE of Hollister, CA · 1842 days ago · 7 km deep · 44 km away · felt by 2
  20. 2.010km SE of Pinnacles, CA · 1842 days ago · 9 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73631466. Read Sun, Oct 4, 2026, 7:00 PM UTC.