California earthquakes

M1.8 earthquake 2km ENE of Cayucos, CA

A magnitude 1.8 earthquake struck 2km ENE of Cayucos, CA on Thu, Aug 19, 2021, 12:17 PM PDT (19:17 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.8 15km SSE of New Idria, CA. This one was a foreshock.

Cayucos 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-08-19 19:17:11 UTC
Depth
-0.1 km (-0.1 mi), shallow
Epicenter
35.448° N, 120.866° 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, 0.5 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
97°
Stations used
41

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.03km ENE of Lopez Point, CA · 1870 days ago · 9 km deep · 88 km away
  2. 1.65km NW of Parkfield, CA · 1868 days ago · 5 km deep · 64 km away
  3. 1.619km NNW of Coalinga, CA · 1868 days ago · 8 km deep · 100 km away
  4. 1.931km WNW of San Simeon, CA · 1868 days ago · 6 km deep · 66 km away
  5. 1.722km NW of San Simeon, CA · 1867 days ago · 4 km deep · 58 km away
  6. 2.013km SW of Guadalupe, CA · 1867 days ago · 2 km deep · 64 km away · felt by 2
  7. 1.827km NW of San Simeon, CA · 1866 days ago · 10 km deep · 63 km away
  8. 1.923km NW of Parkfield, CA · 1865 days ago · 6 km deep · 69 km away · felt by 1
  9. 1.825km NW of Parkfield, CA · 1864 days ago · 5 km deep · 72 km away
  10. 1.923km NNW of San Simeon, CA · 1864 days ago · 12 km deep · 58 km away
  11. 1.720km SW of New Idria, CA · 1863 days ago · 10 km deep · 94 km away
  12. 1.57km NNW of Cholame, CA · 1862 days ago · 4 km deep · 61 km away
  13. 1.813km N of San Simeon, CA · 1862 days ago · 9 km deep · 45 km away
  14. 2.017km N of San Simeon, CA · 1861 days ago · 10 km deep · 51 km away
  15. 1.711km WSW of Templeton, CA · 1860 days ago · 6 km deep · 10 km away
  16. 2.311km WSW of Morro Bay, CA · 1856 days ago · 10 km deep · 15 km away · felt by 2
  17. 1.722km SSE of Lopez Point, CA · 1855 days ago · 12 km deep · 69 km away
  18. 1.722km SSE of Lopez Point, CA · 1854 days ago · 10 km deep · 69 km away
  19. 1.723km WSW of New Idria, CA · 1850 days ago · 8 km deep · 96 km away
  20. 1.99km NNW of Avenal, CA · 1847 days ago · 12 km deep · 93 km away
  21. 2.313km NNE of Cambria, CA · 1847 days ago · 7 km deep · 28 km away · felt by 2
  22. 3.815km SSE of New Idria, CA · 1846 days ago · 17 km deep · 98 km away · felt by 29
  23. 2.35km SSE of Parkfield, CA · 1845 days ago · 5 km deep · 62 km away
  24. 1.613km NW of Avenal, CA · 1845 days ago · 11 km deep · 93 km away
  25. 2.823km NW of Parkfield, CA · 1845 days ago · 4 km deep · 70 km away · felt by 2
  26. 2.122km NE of San Lucas, CA · 1843 days ago · 7 km deep · 89 km away
  27. 2.211km NW of Parkfield, CA · 1836 days ago · 10 km deep · 66 km away
  28. 1.611km WSW of Templeton, CA · 1836 days ago · 6 km deep · 10 km away · felt by 1
  29. 1.910km W of Avenal, CA · 1834 days ago · 15 km deep · 85 km away
  30. 2.810km W of Avenal, CA · 1834 days ago · 16 km deep · 84 km away · felt by 4
  31. 3.24km NNW of Cholame, CA · 1832 days ago · 4 km deep · 61 km away · felt by 4
  32. 1.66km WSW of Kettleman City, CA · 1831 days ago · 4 km deep · 96 km away
  33. 1.510km SE of Avenal, CA · 1830 days ago · 11 km deep · 92 km away
  34. 1.66km NNW of Cholame, CA · 1827 days ago · 8 km deep · 61 km away
  35. 1.78km SW of Atascadero, CA · 1817 days ago · 7 km deep · 13 km away
  36. 1.822km NNE of San Ardo, CA · 1816 days ago · 4 km deep · 83 km away
  37. 1.610km NNE of San Simeon, CA · 1815 days ago · 8 km deep · 39 km away
  38. 1.917km NNE of San Simeon, CA · 1815 days ago · 6 km deep · 43 km away
  39. 2.88km NE of Coalinga, CA · 1812 days ago · 10 km deep · 97 km away
  40. 3.47km NE of Coalinga, CA · 1812 days ago · 10 km deep · 96 km away · felt by 24

Before

  1. 2.419km NNW of San Simeon, CA · 1873 days ago · 8 km deep · 53 km away
  2. 2.62km SSE of Parkfield, CA · 1876 days ago · 6 km deep · 63 km away · felt by 3
  3. 2.113km NW of Parkfield, CA · 1876 days ago · 10 km deep · 66 km away
  4. 1.923km NNE of San Ardo, CA · 1881 days ago · 9 km deep · 84 km away
  5. 1.720km NW of Parkfield, CA · 1882 days ago · 4 km deep · 69 km away
  6. 2.33km SE of San Ardo, CA · 1884 days ago · 10 km deep · 61 km away
  7. 2.89km WNW of Templeton, CA · 1885 days ago · 6 km deep · 17 km away
  8. 2.320km SW of New Idria, CA · 1891 days ago · 10 km deep · 96 km away
  9. 2.77km NNW of Cholame, CA · 1891 days ago · 9 km deep · 61 km away · felt by 3
  10. 1.87km SW of San Ardo, CA · 1891 days ago · 10 km deep · 59 km away
  11. 1.719km SSE of Lopez Point, CA · 1891 days ago · 3 km deep · 72 km away
  12. 2.39km SSW of San Lucas, CA · 1892 days ago · 11 km deep · 70 km away
  13. 2.319km NW of Parkfield, CA · 1894 days ago · 4 km deep · 69 km away · felt by 2
  14. 3.47km NNW of Cholame, CA · 1894 days ago · 9 km deep · 61 km away · felt by 24
  15. 1.511km WSW of Huron, CA · 1896 days ago · 8 km deep · 98 km away
  16. 2.517km SSE of Lopez Point, CA · 1899 days ago · 12 km deep · 74 km away · felt by 4
  17. 2.612km NW of Parkfield, CA · 1899 days ago · 8 km deep · 66 km away · felt by 4
  18. 1.97km WNW of Paso Robles, CA · 1900 days ago · 8 km deep · 24 km away
  19. 2.03km ENE of Vandenberg Village, CA · 1900 days ago · 3 km deep · 90 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73612081. Read Sun, Oct 4, 2026, 7:04 PM UTC.