California earthquakes

M1.6 earthquake 8km WSW of Atascadero, CA

A magnitude 1.6 earthquake struck 8km WSW of Atascadero, CA on Mon, Jan 18, 2021, 3:21 PM PST (23:21 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.7 22km SSE of Lopez Point, CA. This one was a foreshock.

Atascadero 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-01-18 23:21:56 UTC
Depth
5.7 km (3.5 mi), shallow
Epicenter
35.470° N, 120.758° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
70°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.710km W of Templeton, CA · 2081 days ago · 4 km deep · 11 km away · felt by 16
  2. 1.810km W of Templeton, CA · 2081 days ago · 4 km deep · 11 km away · felt by 2
  3. 1.821km NW of Parkfield, CA · 2078 days ago · 4 km deep · 64 km away
  4. 2.410km W of Templeton, CA · 2077 days ago · 4 km deep · 11 km away · felt by 2
  5. 1.723km NNE of San Ardo, CA · 2076 days ago · 7 km deep · 81 km away
  6. 2.05km NW of Parkfield, CA · 2073 days ago · 10 km deep · 57 km away
  7. 1.722km ENE of San Ardo, CA · 2072 days ago · 4 km deep · 71 km away
  8. 2.024km ENE of San Ardo, CA · 2071 days ago · 7 km deep · 71 km away
  9. 1.935km SW of Avila Beach, CA · 2068 days ago · 2 km deep · 63 km away
  10. 2.421km NW of Parkfield, CA · 2067 days ago · 8 km deep · 63 km away
  11. 1.522km ENE of San Ardo, CA · 2066 days ago · 4 km deep · 70 km away
  12. 2.618km NW of Parkfield, CA · 2065 days ago · 5 km deep · 62 km away · felt by 1
  13. 1.718km NW of Parkfield, CA · 2065 days ago · 5 km deep · 62 km away
  14. 2.713km WSW of Parkfield, CA · 2054 days ago · 9 km deep · 44 km away · felt by 15
  15. 1.919km SSE of Lopez Point, CA · 2052 days ago · 10 km deep · 78 km away
  16. 1.622km ENE of San Ardo, CA · 2049 days ago · 3 km deep · 71 km away
  17. 2.014km NW of Parkfield, CA · 2049 days ago · 10 km deep · 61 km away
  18. 1.78km E of Coalinga, CA · 2047 days ago · 9 km deep · 88 km away
  19. 1.711km ENE of Coalinga, CA · 2047 days ago · 5 km deep · 91 km away
  20. 1.810km W of Huron, CA · 2047 days ago · 4 km deep · 97 km away
  21. 1.716km NW of Parkfield, CA · 2047 days ago · 3 km deep · 62 km away
  22. 1.916km NW of Parkfield, CA · 2047 days ago · 3 km deep · 61 km away
  23. 1.517km NW of Parkfield, CA · 2046 days ago · 3 km deep · 62 km away
  24. 1.79km E of Coalinga, CA · 2046 days ago · 7 km deep · 88 km away
  25. 2.36km NNE of Avenal, CA · 2046 days ago · 10 km deep · 88 km away
  26. 1.53km E of Lopez Point, CA · 2044 days ago · 9 km deep · 92 km away
  27. 3.722km SSE of Lopez Point, CA · 2043 days ago · 9 km deep · 75 km away · felt by 10
  28. 3.022km SSE of Lopez Point, CA · 2043 days ago · 6 km deep · 75 km away · felt by 3
  29. 1.810km NE of Coalinga, CA · 2043 days ago · 11 km deep · 92 km away
  30. 3.222km SSE of Lopez Point, CA · 2043 days ago · 8 km deep · 75 km away · felt by 3
  31. 2.922km SSE of Lopez Point, CA · 2043 days ago · 9 km deep · 76 km away · felt by 2
  32. 1.621km ENE of San Lucas, CA · 2042 days ago · 8 km deep · 82 km away
  33. 2.022km ENE of San Lucas, CA · 2042 days ago · 9 km deep · 81 km away
  34. 1.96km SW of San Luis Obispo, CA · 2042 days ago · 6 km deep · 26 km away
  35. 1.616km NW of Parkfield, CA · 2037 days ago · 4 km deep · 61 km away
  36. 1.811km ENE of Santa Maria, CA · 2037 days ago · 3 km deep · 67 km away · felt by 3
  37. 1.911km SSE of Huron, CA · 2036 days ago · 5 km deep · 96 km away
  38. 1.622km NW of Parkfield, CA · 2030 days ago · 6 km deep · 64 km away
  39. 1.624km ENE of San Lucas, CA · 2026 days ago · 6 km deep · 82 km away

Before

  1. 1.613km W of Lake Nacimiento, CA · 2084 days ago · 4 km deep · 37 km away
  2. 2.03km SSE of San Ardo, CA · 2085 days ago · 8 km deep · 59 km away · felt by 1
  3. 1.69km NNW of Cholame, CA · 2086 days ago · 3 km deep · 52 km away
  4. 1.89km SSE of Huron, CA · 2089 days ago · 5 km deep · 98 km away
  5. 1.712km SW of Huron, CA · 2091 days ago · 8 km deep · 90 km away
  6. 1.810km NE of Cayucos, CA · 2091 days ago · 6 km deep · 7 km away
  7. 1.722km ENE of San Lucas, CA · 2095 days ago · 6 km deep · 83 km away
  8. 1.62km ENE of San Ardo, CA · 2095 days ago · 10 km deep · 63 km away
  9. 2.020km N of San Simeon, CA · 2095 days ago · 9 km deep · 56 km away
  10. 1.94km SW of Avenal, CA · 2097 days ago · 16 km deep · 78 km away
  11. 1.623km ENE of San Lucas, CA · 2097 days ago · 6 km deep · 84 km away
  12. 1.721km NW of Parkfield, CA · 2098 days ago · 8 km deep · 64 km away
  13. 2.713km NE of San Simeon, CA · 2098 days ago · 5 km deep · 41 km away · felt by 7
  14. 1.623km NNE of San Lucas, CA · 2103 days ago · 10 km deep · 95 km away
  15. 1.79km W of Templeton, CA · 2103 days ago · 4 km deep · 10 km away
  16. 1.716km SSE of Shandon, CA · 2105 days ago · 7 km deep · 43 km away
  17. 2.367km SW of San Simeon, CA · 2106 days ago · 0 km deep · 92 km away
  18. 1.78km NNE of Cayucos, CA · 2110 days ago · 4 km deep · 9 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73513100. Read Sat, Oct 3, 2026, 10:46 AM UTC.