California earthquakes

M1.9 earthquake 6 km WSW of Willows, California

A magnitude 1.9 earthquake struck 6 km WSW of Willows, California on Sat, Jun 4, 1988, 7:12 AM PDT (14:12 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.6 7 km W of Cobb, California. This one was a foreshock.

Willows 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1988-06-04 14:12:14 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
39.498° N, 122.258° 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 17.0 km horizontally, 13.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
321°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 98 in the 30 days before it.

After

  1. 2.46 km W of Cobb, California · 14001 days ago · 1 km deep · 88 km away
  2. 1.65 km WSW of Cobb, California · 14001 days ago · 0 km deep · 90 km away
  3. 1.65 km WSW of Cobb, California · 14001 days ago · 0 km deep · 90 km away
  4. 2.14 km WSW of Cobb, California · 14000 days ago · 2 km deep · 89 km away
  5. 1.67 km NE of Willits, California · 14000 days ago · 7 km deep · 90 km away
  6. 1.56 km SSE of Cobb, California · 14000 days ago · 2 km deep · 90 km away
  7. 1.926 km ESE of Ruth, California · 14000 days ago · 22 km deep · 100 km away
  8. 2.12 km WNW of Cobb, California · 14000 days ago · 1 km deep · 85 km away
  9. 2.42 km WNW of Cobb, California · 14000 days ago · 1 km deep · 85 km away
  10. 2.56 km W of Cobb, California · 13998 days ago · 0 km deep · 88 km away
  11. 1.89 km W of Cobb, California · 13997 days ago · 1 km deep · 91 km away
  12. 1.95 km SSW of Cobb, California · 13996 days ago · 2 km deep · 91 km away
  13. 1.68 km N of Princeton, California · 13996 days ago · 17 km deep · 20 km away
  14. 1.77 km W of Cobb, California · 13996 days ago · 1 km deep · 90 km away
  15. 2.514 km NNW of Potter Valley, California · 13996 days ago · -1 km deep · 77 km away
  16. 1.67 km SE of Willits, California · 13996 days ago · 5 km deep · 91 km away
  17. 1.98 km W of Cobb, California · 13994 days ago · 1 km deep · 89 km away
  18. 2.310 km W of Cobb, California · 13994 days ago · 1 km deep · 90 km away
  19. 1.66 km SW of Cobb, California · 13994 days ago · 0 km deep · 91 km away
  20. 2.98 km W of Cobb, California · 13993 days ago · 0 km deep · 89 km away
  21. 1.822 km NE of Potter Valley, California · 13993 days ago · 8 km deep · 57 km away
  22. 1.89 km W of Cobb, California · 13992 days ago · 1 km deep · 88 km away
  23. 1.85 km WSW of Cobb, California · 13992 days ago · 0 km deep · 89 km away
  24. 1.910 km E of Willits, California · 13991 days ago · 10 km deep · 84 km away
  25. 1.712 km NE of Upper Lake, California · 13991 days ago · 4 km deep · 55 km away
  26. 1.56 km W of Cobb, California · 13991 days ago · 3 km deep · 89 km away
  27. 2.16 km W of Cobb, California · 13991 days ago · 3 km deep · 89 km away
  28. 1.65 km W of Cobb, California · 13991 days ago · 19 km deep · 88 km away
  29. 2.85 km WNW of Cobb, California · 13991 days ago · 1 km deep · 87 km away
  30. 2.612 km N of Brooktrails, California · 13990 days ago · 38 km deep · 97 km away
  31. 2.28 km W of Cobb, California · 13990 days ago · 1 km deep · 89 km away
  32. 1.87 km WSW of Cobb, California · 13990 days ago · 2 km deep · 90 km away
  33. 1.55 km W of Cobb, California · 13990 days ago · 2 km deep · 88 km away
  34. 2.112 km NE of Upper Lake, California · 13990 days ago · 7 km deep · 55 km away
  35. 1.74 km W of Cobb, California · 13989 days ago · 2 km deep · 88 km away
  36. 2.36 km W of Cobb, California · 13988 days ago · 2 km deep · 88 km away
  37. 2.017 km NNE of Potter Valley, California · 13988 days ago · 7 km deep · 64 km away
  38. 1.88 km W of Cobb, California · 13988 days ago · 0 km deep · 90 km away
  39. 1.86 km W of Cobb, California · 13987 days ago · 3 km deep · 88 km away
  40. 2.05 km SW of Cobb, California · 13986 days ago · 0 km deep · 91 km away
  41. 1.78 km WSW of Cobb, California · 13985 days ago · 4 km deep · 92 km away
  42. 1.817 km E of Potter Valley, California · 13985 days ago · 6 km deep · 59 km away
  43. 1.69 km W of Cobb, California · 13983 days ago · 0 km deep · 90 km away
  44. 1.928 km NNE of Potter Valley, California · 13983 days ago · 13 km deep · 62 km away
  45. 1.64 km W of Cobb, California · 13982 days ago · 2 km deep · 88 km away
  46. 1.68 km W of Cobb, California · 13981 days ago · -1 km deep · 91 km away
  47. 3.423 km ENE of Potter Valley, California · 13980 days ago · 16 km deep · 52 km away
  48. 1.66 km W of Cobb, California · 13980 days ago · 1 km deep · 88 km away
  49. 1.77 km WSW of Cobb, California · 13980 days ago · 4 km deep · 91 km away
  50. 1.73 km SW of South Yuba City, California · 13979 days ago · 5 km deep · 68 km away
  51. 1.67 km W of Cobb, California · 13979 days ago · 1 km deep · 89 km away
  52. 3.67 km W of Cobb, California · 13979 days ago · 3 km deep · 89 km away
  53. 1.87 km W of Cobb, California · 13979 days ago · 3 km deep · 89 km away
  54. 1.815 km E of Potter Valley, California · 13979 days ago · 4 km deep · 60 km away
  55. 1.55 km W of Cobb, California · 13978 days ago · 2 km deep · 88 km away
  56. 2.59 km W of Cobb, California · 13978 days ago · 2 km deep · 90 km away
  57. 2.03 km NW of Cobb, California · 13978 days ago · 1 km deep · 85 km away
  58. 2.08 km W of Cobb, California · 13977 days ago · 1 km deep · 90 km away
  59. 1.77 km WSW of Cobb, California · 13977 days ago · 4 km deep · 91 km away
  60. 3.323 km NE of Potter Valley, California · 13977 days ago · 7 km deep · 57 km away

The first 60 of 164.

Before

  1. 1.86 km W of Cobb, California · 14001 days ago · 1 km deep · 89 km away
  2. 1.611 km ESE of Hidden Valley Lake, California · 14001 days ago · 6 km deep · 83 km away
  3. 1.77 km WSW of Cobb, California · 14002 days ago · 1 km deep · 91 km away
  4. 1.66 km WNW of Cobb, California · 14003 days ago · 0 km deep · 87 km away
  5. 2.19 km WSW of Cobb, California · 14003 days ago · 1 km deep · 92 km away
  6. 2.09 km WSW of Cobb, California · 14003 days ago · 1 km deep · 92 km away
  7. 1.69 km W of Cobb, California · 14003 days ago · 1 km deep · 91 km away
  8. 3.1Northern California · 14003 days ago · 2 km deep · 92 km away
  9. 1.7Northern California · 14003 days ago · 1 km deep · 92 km away
  10. 1.88 km W of Cobb, California · 14004 days ago · 1 km deep · 89 km away
  11. 2.5Northern California · 14004 days ago · 0 km deep · 89 km away
  12. 1.622 km NE of Potter Valley, California · 14004 days ago · 8 km deep · 57 km away
  13. 1.64 km SW of Cobb, California · 14004 days ago · 1 km deep · 90 km away
  14. 2.16 km WNW of Cobb, California · 14004 days ago · 1 km deep · 86 km away
  15. 1.74 km WSW of Cobb, California · 14005 days ago · 2 km deep · 88 km away
  16. 1.917 km NNE of Upper Lake, California · 14005 days ago · 4 km deep · 56 km away
  17. 2.34 km SW of Cobb, California · 14005 days ago · 1 km deep · 90 km away
  18. 2.17 km W of Cobb, California · 14005 days ago · 3 km deep · 89 km away
  19. 1.59 km E of Hidden Valley Lake, California · 14006 days ago · 7 km deep · 80 km away
  20. 3.06 km W of Cobb, California · 14006 days ago · 3 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1157021. Read Sun, Oct 4, 2026, 12:35 PM UTC.