California earthquakes

M1.7 earthquake 6km SW of San Ardo, CA

A magnitude 1.7 earthquake struck 6km SW of San Ardo, CA on Sun, Apr 11, 2021, 6:27 AM PDT (13:27 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.6 11km WSW of Huron, CA. This one was a foreshock.

San Ardo 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-04-11 13:27:59 UTC
Depth
10.3 km (6.4 mi), shallow
Epicenter
35.976° N, 120.947° 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, 0.7 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
113°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 67 in the 30 days before it.

After

  1. 1.78km ESE of Greenfield, CA · 2000 days ago · 6 km deep · 40 km away · felt by 1
  2. 1.715km NW of Parkfield, CA · 2000 days ago · 5 km deep · 35 km away
  3. 2.15km NNE of Pinnacles, CA · 1999 days ago · 8 km deep · 68 km away
  4. 2.19km NW of Pinnacles, CA · 1999 days ago · 7 km deep · 72 km away
  5. 1.615km NW of Pinnacles, CA · 1998 days ago · 8 km deep · 78 km away
  6. 1.616km NW of Parkfield, CA · 1998 days ago · 4 km deep · 35 km away
  7. 1.716km NW of Parkfield, CA · 1998 days ago · 4 km deep · 34 km away
  8. 1.617km N of Pinnacles, CA · 1996 days ago · 10 km deep · 81 km away
  9. 1.512km E of Coalinga, CA · 1993 days ago · 9 km deep · 67 km away
  10. 2.26km NNW of Pinnacles, CA · 1993 days ago · 5 km deep · 70 km away
  11. 2.123km S of South Dos Palos, CA · 1991 days ago · 0 km deep · 90 km away · felt by 1
  12. 1.87km SW of Ridgemark, CA · 1990 days ago · 11 km deep · 97 km away
  13. 1.613km NNW of Avenal, CA · 1989 days ago · 7 km deep · 69 km away
  14. 1.612km NNW of Avenal, CA · 1989 days ago · 6 km deep · 70 km away
  15. 1.912km NNE of Cambria, CA · 1989 days ago · 9 km deep · 36 km away
  16. 1.814km ESE of Pinnacles, CA · 1989 days ago · 11 km deep · 55 km away
  17. 1.69km NNW of Avenal, CA · 1989 days ago · 7 km deep · 70 km away
  18. 2.211km NE of New Idria, CA · 1989 days ago · 9 km deep · 65 km away
  19. 2.522km NE of San Lucas, CA · 1988 days ago · 10 km deep · 35 km away · felt by 2
  20. 2.57km NW of Avenal, CA · 1988 days ago · 9 km deep · 68 km away · felt by 2
  21. 1.523km NE of King City, CA · 1987 days ago · 8 km deep · 42 km away
  22. 1.97km NNW of Pinnacles, CA · 1987 days ago · 6 km deep · 71 km away · felt by 2
  23. 2.115km SSE of Cantua Creek, CA · 1986 days ago · 14 km deep · 75 km away
  24. 1.69km NW of Avenal, CA · 1986 days ago · 8 km deep · 69 km away
  25. 2.411km S of Cambria, CA · 1986 days ago · 4 km deep · 58 km away
  26. 2.116km NW of Pinnacles, CA · 1985 days ago · 8 km deep · 78 km away
  27. 2.812km NW of Parkfield, CA · 1985 days ago · 10 km deep · 38 km away · felt by 3
  28. 1.59km NNE of Gonzales, CA · 1985 days ago · 1 km deep · 79 km away
  29. 1.512km NW of Pinnacles, CA · 1985 days ago · 5 km deep · 76 km away
  30. 1.613km W of San Ardo, CA · 1985 days ago · 11 km deep · 10 km away
  31. 1.713km NNW of Avenal, CA · 1984 days ago · 7 km deep · 69 km away
  32. 2.57km NNW of Pinnacles, CA · 1982 days ago · 5 km deep · 71 km away · felt by 1
  33. 1.62km WSW of King City, CA · 1982 days ago · 10 km deep · 31 km away
  34. 1.625km SSW of Los Banos, CA · 1982 days ago · 10 km deep · 97 km away
  35. 2.122km ENE of San Lucas, CA · 1982 days ago · 9 km deep · 32 km away
  36. 2.413km NW of Pinnacles, CA · 1982 days ago · 5 km deep · 76 km away
  37. 2.220km SE of Pinnacles, CA · 1981 days ago · 10 km deep · 48 km away
  38. 1.86km SW of San Ardo, CA · 1980 days ago · 10 km deep · 1 km away
  39. 2.128km NE of Pinnacles, CA · 1980 days ago · 4 km deep · 82 km away
  40. 1.611km SSW of Tres Pinos, CA · 1979 days ago · 5 km deep · 88 km away
  41. 1.59km SE of Pinnacles, CA · 1979 days ago · 7 km deep · 56 km away
  42. 2.316km NW of Pinnacles, CA · 1978 days ago · 4 km deep · 80 km away
  43. 2.116km NW of Pinnacles, CA · 1978 days ago · 4 km deep · 80 km away · felt by 1
  44. 1.522km SW of New Idria, CA · 1978 days ago · 6 km deep · 36 km away
  45. 3.229km NE of Pinnacles, CA · 1978 days ago · 7 km deep · 84 km away · felt by 8
  46. 1.629km NE of Pinnacles, CA · 1978 days ago · 0 km deep · 85 km away
  47. 1.64km NE of Pinnacles, CA · 1978 days ago · 8 km deep · 67 km away
  48. 2.68km NE of Coalinga, CA · 1977 days ago · 11 km deep · 62 km away · felt by 3
  49. 1.81km SW of Kettleman City, CA · 1977 days ago · 1 km deep · 88 km away
  50. 2.022km ENE of San Ardo, CA · 1976 days ago · 6 km deep · 28 km away
  51. 2.216km SSE of Tres Pinos, CA · 1976 days ago · 9 km deep · 81 km away
  52. 1.516km S of Tres Pinos, CA · 1976 days ago · 2 km deep · 82 km away
  53. 1.922km SE of Pinnacles, CA · 1976 days ago · 8 km deep · 46 km away
  54. 2.522km ENE of San Ardo, CA · 1975 days ago · 6 km deep · 28 km away · felt by 3
  55. 1.86km N of Pinnacles, CA · 1975 days ago · 10 km deep · 69 km away
  56. 1.715km NW of Pinnacles, CA · 1974 days ago · 10 km deep · 78 km away
  57. 1.53km ENE of Coalinga, CA · 1974 days ago · 6 km deep · 59 km away
  58. 1.710km NW of Pinnacles, CA · 1973 days ago · 6 km deep · 74 km away
  59. 1.716km NW of Pinnacles, CA · 1972 days ago · 6 km deep · 79 km away
  60. 1.55km NNW of Pinnacles, CA · 1971 days ago · 4 km deep · 69 km away

The first 60 of 107.

Before

  1. 2.138km SSW of Lopez Point, CA · 2002 days ago · 16 km deep · 74 km away
  2. 2.533km S of Lopez Point, CA · 2002 days ago · 17 km deep · 68 km away
  3. 1.923km WSW of New Idria, CA · 2002 days ago · 10 km deep · 42 km away
  4. 1.77km ESE of Pinnacles, CA · 2004 days ago · 7 km deep · 59 km away
  5. 2.32km N of Pinnacles, CA · 2005 days ago · 7 km deep · 66 km away · felt by 2
  6. 3.323km S of South Dos Palos, CA · 2005 days ago · 4 km deep · 90 km away · felt by 8
  7. 1.82km NE of Pinnacles, CA · 2005 days ago · 6 km deep · 65 km away
  8. 2.010km SE of Pinnacles, CA · 2006 days ago · 7 km deep · 57 km away
  9. 1.83km N of Pinnacles, CA · 2006 days ago · 6 km deep · 67 km away
  10. 1.918km NW of Parkfield, CA · 2007 days ago · 4 km deep · 33 km away
  11. 2.010km NNW of Pinnacles, CA · 2007 days ago · 6 km deep · 74 km away
  12. 2.03km N of Pinnacles, CA · 2007 days ago · 6 km deep · 68 km away
  13. 2.110km NW of Pinnacles, CA · 2007 days ago · 6 km deep · 74 km away
  14. 1.65km ESE of Pinnacles, CA · 2007 days ago · 7 km deep · 61 km away
  15. 1.612km NNW of Avenal, CA · 2008 days ago · 8 km deep · 69 km away
  16. 2.212km NNW of Avenal, CA · 2008 days ago · 8 km deep · 69 km away
  17. 1.88km NE of San Simeon, CA · 2008 days ago · 8 km deep · 35 km away
  18. 1.94km N of Pinnacles, CA · 2008 days ago · 10 km deep · 68 km away
  19. 2.213km NNW of San Simeon, CA · 2008 days ago · 5 km deep · 37 km away · felt by 1
  20. 1.88km NNE of Cayucos, CA · 2008 days ago · 4 km deep · 53 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73548025. Read Sat, Oct 3, 2026, 2:20 PM UTC.