California earthquakes

M1.8 earthquake 13km NW of Grapevine, CA

A magnitude 1.8 earthquake struck 13km NW of Grapevine, CA on Mon, Jan 4, 2021, 1:56 AM PST (09:56 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.0 3km E of Simi Valley, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-01-04 09:56:19 UTC
Depth
9.9 km (6.2 mi), shallow
Epicenter
35.036° N, 119.017° 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
±0.14
Depth from
From location
Station coverage gap
40°
Stations used
38

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 19 in the 30 days before it.

After

  1. 2.120km N of Fillmore, CA · 2099 days ago · 0 km deep · 53 km away
  2. 2.020km N of Fillmore, CA · 2099 days ago · 0 km deep · 53 km away
  3. 1.719km N of Fillmore, CA · 2099 days ago · 0 km deep · 53 km away
  4. 2.012km SE of Bodfish, CA · 2093 days ago · 3 km deep · 76 km away
  5. 1.616km NW of Grapevine, CA · 2092 days ago · 13 km deep · 4 km away
  6. 2.26km NE of Chatsworth, CA · 2091 days ago · 6 km deep · 92 km away · felt by 7
  7. 1.619km N of Fillmore, CA · 2089 days ago · 0 km deep · 54 km away
  8. 1.53km WNW of Frazier Park, CA · 2089 days ago · 10 km deep · 23 km away
  9. 1.713km S of Arvin, CA · 2088 days ago · 2 km deep · 20 km away
  10. 1.630km SE of Bodfish, CA · 2087 days ago · 4 km deep · 83 km away
  11. 1.56km W of Ojai, CA · 2087 days ago · 7 km deep · 71 km away · felt by 2
  12. 1.619km NNW of Piru, CA · 2086 days ago · 2 km deep · 53 km away
  13. 1.719km N of Fillmore, CA · 2086 days ago · 1 km deep · 54 km away · felt by 1
  14. 1.619km N of Fillmore, CA · 2086 days ago · 0 km deep · 53 km away
  15. 1.717km NW of Tehachapi, CA · 2086 days ago · 7 km deep · 45 km away
  16. 2.132km ESE of Lake Isabella, CA · 2083 days ago · 0 km deep · 97 km away
  17. 1.511km NNW of Tehachapi, CA · 2083 days ago · 8 km deep · 54 km away
  18. 1.84km NNE of Elizabeth Lake, CA · 2079 days ago · 8 km deep · 70 km away
  19. 1.97km W of Ojai, CA · 2078 days ago · 8 km deep · 71 km away
  20. 1.917km S of Tehachapi, CA · 2077 days ago · 7 km deep · 54 km away
  21. 2.021km ENE of Arvin, CA · 2075 days ago · 5 km deep · 46 km away
  22. 1.817km NW of Grapevine, CA · 2074 days ago · 10 km deep · 4 km away
  23. 2.022km ESE of Bodfish, CA · 2067 days ago · 3 km deep · 83 km away
  24. 2.16km WSW of Shafter, CA · 2066 days ago · 26 km deep · 56 km away
  25. 2.121km N of Pine Mountain Club, CA · 2059 days ago · 17 km deep · 12 km away
  26. 1.613km N of Fillmore, CA · 2054 days ago · 4 km deep · 59 km away
  27. 1.713km N of Fillmore, CA · 2053 days ago · 0 km deep · 58 km away
  28. 1.813km N of Fillmore, CA · 2053 days ago · -1 km deep · 58 km away
  29. 1.95km NNW of Chatsworth, CA · 2053 days ago · 17 km deep · 90 km away
  30. 1.516km NW of Grapevine, CA · 2049 days ago · 13 km deep · 4 km away · felt by 1
  31. 1.82km SSW of Sylmar, CA · 2046 days ago · 10 km deep · 97 km away
  32. 3.03km E of Simi Valley, CA · 2046 days ago · 11 km deep · 90 km away · felt by 1,486
  33. 1.820km SSW of Frazier Park, CA · 2045 days ago · 5 km deep · 42 km away
  34. 1.820km SSW of Frazier Park, CA · 2045 days ago · 7 km deep · 41 km away
  35. 1.832km ESE of Lake Isabella, CA · 2043 days ago · 3 km deep · 97 km away
  36. 1.923km SW of Lamont, CA · 2043 days ago · 12 km deep · 11 km away
  37. 1.923km NNW of Tehachapi, CA · 2042 days ago · 4 km deep · 52 km away
  38. 1.912km N of Grapevine, CA · 2041 days ago · 8 km deep · 7 km away
  39. 1.520km SSW of Frazier Park, CA · 2040 days ago · 7 km deep · 42 km away

Before

  1. 1.520km NNW of Tehachapi, CA · 2101 days ago · 5 km deep · 53 km away
  2. 1.710km SSE of Tehachapi, CA · 2104 days ago · 6 km deep · 55 km away
  3. 2.014km SSW of Frazier Park, CA · 2106 days ago · 16 km deep · 36 km away
  4. 2.518km WNW of Tehachapi, CA · 2106 days ago · 7 km deep · 39 km away · felt by 23
  5. 3.522km ESE of Bodfish, CA · 2108 days ago · 3 km deep · 83 km away · felt by 44
  6. 1.614km SSE of Bodfish, CA · 2111 days ago · 3 km deep · 72 km away
  7. 1.614km N of Pine Mountain Club, CA · 2112 days ago · 13 km deep · 12 km away
  8. 1.73km W of Sylmar, CA · 2115 days ago · 6 km deep · 95 km away · felt by 1
  9. 1.836km NNW of California City, CA · 2118 days ago · 9 km deep · 91 km away
  10. 1.925km N of Tehachapi, CA · 2119 days ago · 3 km deep · 59 km away · felt by 1
  11. 2.817km N of Fillmore, CA · 2120 days ago · 21 km deep · 55 km away
  12. 2.816km N of Fillmore, CA · 2120 days ago · 19 km deep · 56 km away · felt by 5
  13. 1.716km N of Fillmore, CA · 2120 days ago · 19 km deep · 56 km away · felt by 1
  14. 1.716km N of Fillmore, CA · 2120 days ago · 20 km deep · 56 km away · felt by 1
  15. 1.81km SE of San Fernando, CA · 2121 days ago · 8 km deep · 100 km away
  16. 2.012km NNE of Pine Mountain Club, CA · 2122 days ago · 12 km deep · 13 km away
  17. 1.710km SSE of Ojai, CA · 2124 days ago · 1 km deep · 76 km away · felt by 2
  18. 1.56km W of Ojai, CA · 2128 days ago · 9 km deep · 71 km away
  19. 1.67km ESE of Santa Clarita, CA · 2129 days ago · 9 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39510431. Read Sun, Oct 4, 2026, 8:06 PM UTC.