California earthquakes

M1.6 earthquake 24 km NE of Greenfield, California

A magnitude 1.6 earthquake struck 24 km NE of Greenfield, California on Tue, Jan 20, 1981, 7:19 AM PST (15:19 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.0 21 km SW of Diablo Grande, California. This one was a foreshock.

Greenfield forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1981-01-20 15:19:49 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
36.471° N, 121.047° 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 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
109°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.021 km SW of Diablo Grande, California · 16680 days ago · 34 km deep · 93 km away
  2. 1.68 km NE of Gilroy, California · 16680 days ago · 6 km deep · 76 km away
  3. 1.623 km NE of Soledad, California · 16679 days ago · 5 km deep · 14 km away
  4. 1.59 km SSW of Tres Pinos, California · 16677 days ago · 3 km deep · 39 km away
  5. 1.66 km NNE of Interlaken, California · 16677 days ago · 7 km deep · 83 km away
  6. 1.624 km NE of King City, California · 16677 days ago · 0 km deep · 11 km away
  7. 1.54 km W of Gonzales, California · 16677 days ago · 7 km deep · 41 km away
  8. 2.124 km W of San Simeon, California · 16675 days ago · 4 km deep · 95 km away
  9. 1.733 km NE of San Lucas, California · 16675 days ago · 6 km deep · 31 km away
  10. 1.58 km ENE of Gilroy, California · 16675 days ago · 6 km deep · 75 km away
  11. 1.73 km SE of San Ardo, California · 16675 days ago · 11 km deep · 55 km away
  12. 1.534 km NE of San Lucas, California · 16675 days ago · 8 km deep · 30 km away
  13. 1.723 km NE of Soledad, California · 16675 days ago · 8 km deep · 11 km away
  14. 2.06 km ENE of San Martin, California · 16675 days ago · 5 km deep · 83 km away
  15. 1.624 km ENE of Greenfield, California · 16675 days ago · 5 km deep · 8 km away
  16. 1.86 km E of San Martin, California · 16675 days ago · 5 km deep · 82 km away
  17. 1.612 km S of Tres Pinos, California · 16674 days ago · 4 km deep · 33 km away
  18. 1.612 km NNW of Coalinga, California · 16674 days ago · 8 km deep · 64 km away
  19. 1.913 km N of Coalinga, California · 16674 days ago · 9 km deep · 65 km away
  20. 1.922 km NE of Soledad, California · 16674 days ago · 2 km deep · 11 km away
  21. 4.14 km SE of Aromas, California · 16674 days ago · 7 km deep · 66 km away
  22. 2.64 km ESE of Aromas, California · 16674 days ago · 6 km deep · 66 km away
  23. 2.34 km SE of Aromas, California · 16674 days ago · 6 km deep · 66 km away
  24. 2.04 km ESE of Aromas, California · 16674 days ago · 7 km deep · 67 km away
  25. 2.84 km ESE of Aromas, California · 16674 days ago · 7 km deep · 67 km away
  26. 2.34 km SE of Aromas, California · 16674 days ago · 6 km deep · 66 km away
  27. 2.63 km SE of Aromas, California · 16674 days ago · 7 km deep · 67 km away
  28. 1.69 km NNE of Morgan Hill, California · 16674 days ago · 4 km deep · 95 km away
  29. 1.84 km ESE of Aromas, California · 16673 days ago · 7 km deep · 66 km away
  30. 2.23 km ESE of Aromas, California · 16673 days ago · 7 km deep · 67 km away
  31. 2.94 km SE of Aromas, California · 16673 days ago · 7 km deep · 66 km away
  32. 2.022 km NNE of Soledad, California · 16672 days ago · 8 km deep · 21 km away
  33. 1.722 km NE of San Lucas, California · 16672 days ago · 6 km deep · 29 km away
  34. 2.24 km SE of Aromas, California · 16671 days ago · 7 km deep · 67 km away
  35. 1.622 km ENE of San Ardo, California · 16671 days ago · 2 km deep · 52 km away
  36. 3.625 km NW of Parkfield, California · 16671 days ago · 2 km deep · 59 km away
  37. 1.79 km ENE of Morgan Hill, California · 16671 days ago · 6 km deep · 89 km away
  38. 1.73 km ESE of Aromas, California · 16671 days ago · 7 km deep · 67 km away
  39. 2.49 km ENE of Morgan Hill, California · 16671 days ago · 5 km deep · 90 km away
  40. 1.812 km S of Tres Pinos, California · 16671 days ago · 4 km deep · 32 km away
  41. 3.512 km NE of Coalinga, California · 16671 days ago · 17 km deep · 74 km away
  42. 3.39km SSW of Huron, CA · 16670 days ago · 5 km deep · 89 km away
  43. 3.49 km ENE of Morgan Hill, California · 16670 days ago · 6 km deep · 89 km away
  44. 1.524 km NE of Greenfield, California · 16670 days ago · 7 km deep · 1 km away
  45. 2.512km W of Avenal, CA · 16670 days ago · 5 km deep · 86 km away
  46. 2.410km W of Avenal, CA · 16670 days ago · 5 km deep · 90 km away
  47. 3.425 km NW of Parkfield, California · 16670 days ago · 3 km deep · 59 km away
  48. 3.523 km NW of Parkfield, California · 16670 days ago · 1 km deep · 60 km away
  49. 2.23 km ESE of Aromas, California · 16670 days ago · 8 km deep · 67 km away
  50. 2.023 km NE of Soledad, California · 16670 days ago · 8 km deep · 11 km away
  51. 2.512km NE of Avenal, CA · 16670 days ago · 5 km deep · 99 km away
  52. 1.723 km SE of Tres Pinos, California · 16669 days ago · 8 km deep · 20 km away
  53. 1.921 km SE of Tres Pinos, California · 16669 days ago · 1 km deep · 24 km away
  54. 2.423 km NE of Soledad, California · 16669 days ago · 8 km deep · 11 km away
  55. 2.04 km ESE of Aromas, California · 16669 days ago · 6 km deep · 66 km away
  56. 2.4Central California · 16668 days ago · 3 km deep · 74 km away
  57. 2.536 km NE of King City, California · 16668 days ago · 13 km deep · 17 km away
  58. 2.110 km NE of Coalinga, California · 16668 days ago · 10 km deep · 74 km away
  59. 2.224 km ENE of Greenfield, California · 16667 days ago · 5 km deep · 9 km away
  60. 2.09 km NE of Coalinga, California · 16667 days ago · 10 km deep · 74 km away

The first 60 of 196.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1059462. Read Tue, Sep 22, 2026, 5:15 PM UTC.