California earthquakes

M1.8 earthquake 6 km NE of Willits, California

A magnitude 1.8 earthquake struck 6 km NE of Willits, California on Sat, Aug 19, 1978, 2:14 PM PDT (21:14 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M2.9 10 km WSW of Hopland, California. This one was a foreshock.

Willits 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
1.8 (md), micro
Local time
UTC
1978-08-19 21:14:31 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
39.452° N, 123.304° 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 6.4 km horizontally, 5.2 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
301°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 1.86 km NE of Willits, California · 17572 days ago · 4 km deep · 1 km away
  2. 1.58 km W of Cobb, California · 17571 days ago · 0 km deep · 83 km away
  3. 1.59 km W of Cobb, California · 17570 days ago · 0 km deep · 81 km away
  4. 1.717 km SE of Alderpoint, California · 17570 days ago · -1 km deep · 71 km away
  5. 1.510 km W of Cobb, California · 17569 days ago · 0 km deep · 81 km away
  6. 1.919 km S of Ruth, California · 17568 days ago · 3 km deep · 72 km away
  7. 1.87 km W of Cobb, California · 17568 days ago · 3 km deep · 82 km away
  8. 1.94 km NE of Redway, California · 17568 days ago · 5 km deep · 87 km away
  9. 1.53 km ENE of Calpella, California · 17567 days ago · 5 km deep · 26 km away
  10. 2.37 km WSW of Cobb, California · 17567 days ago · 1 km deep · 84 km away
  11. 1.98 km WSW of Cobb, California · 17567 days ago · 3 km deep · 84 km away
  12. 1.94 km S of Phillipsville, California · 17566 days ago · 4 km deep · 90 km away
  13. 2.08 km ENE of Benbow, California · 17566 days ago · 14 km deep · 78 km away
  14. 2.21 km SSW of Garberville, California · 17565 days ago · 11 km deep · 82 km away
  15. 2.00 km NNE of Garberville, California · 17564 days ago · 9 km deep · 83 km away
  16. 1.88 km E of Hopland, California · 17561 days ago · 6 km deep · 58 km away
  17. 2.07 km W of Cobb, California · 17561 days ago · 3 km deep · 82 km away
  18. 2.27 km W of Cobb, California · 17561 days ago · 3 km deep · 82 km away
  19. 1.98 km E of Willits, California · 17559 days ago · 4 km deep · 7 km away
  20. 1.79 km ESE of Willits, California · 17559 days ago · 4 km deep · 10 km away
  21. 2.19 km ESE of Willits, California · 17559 days ago · 4 km deep · 10 km away
  22. 2.69 km ESE of Willits, California · 17559 days ago · 2 km deep · 10 km away
  23. 1.99 km ESE of Willits, California · 17559 days ago · 4 km deep · 10 km away
  24. 2.39 km ESE of Willits, California · 17558 days ago · 3 km deep · 10 km away
  25. 1.69 km ESE of Willits, California · 17557 days ago · 4 km deep · 10 km away
  26. 2.77 km W of Cobb, California · 17557 days ago · 3 km deep · 83 km away
  27. 2.66 km E of Willits, California · 17555 days ago · 14 km deep · 6 km away
  28. 2.57 km ESE of Willits, California · 17555 days ago · 5 km deep · 7 km away
  29. 2.86 km ESE of Willits, California · 17554 days ago · 10 km deep · 6 km away
  30. 2.37 km WSW of Cobb, California · 17553 days ago · -1 km deep · 84 km away
  31. 2.320 km NE of Potter Valley, California · 17552 days ago · 6 km deep · 31 km away
  32. 2.519 km NE of Potter Valley, California · 17552 days ago · 5 km deep · 30 km away
  33. 1.77 km W of Cobb, California · 17552 days ago · 2 km deep · 82 km away
  34. 2.910 km WSW of Hopland, California · 17550 days ago · 4 km deep · 56 km away
  35. 2.56 km SSW of Clear Lake Riviera, California · 17549 days ago · 3 km deep · 79 km away
  36. 2.22 km ESE of Calpella, California · 17549 days ago · 6 km deep · 28 km away
  37. 1.86 km ENE of Garberville, California · 17548 days ago · 18 km deep · 82 km away
  38. 2.710 km W of Hopland, California · 17548 days ago · 4 km deep · 56 km away
  39. 2.17 km W of Cobb, California · 17548 days ago · 1 km deep · 82 km away
  40. 2.14 km SSE of Cloverdale, California · 17546 days ago · 3 km deep · 80 km away
  41. 1.913 km S of Ruth, California · 17545 days ago · 22 km deep · 78 km away
  42. 1.95 km ENE of Willits, California · 17545 days ago · 6 km deep · 4 km away
  43. 2.08 km E of Sea Ranch, California · 17544 days ago · 21 km deep · 82 km away
  44. 1.65 km SSW of Alderpoint, California · 17543 days ago · 9 km deep · 80 km away
  45. 2.06 km N of Hopland, California · 17541 days ago · 5 km deep · 50 km away
  46. 1.53 km NE of Hopland, California · 17540 days ago · 4 km deep · 54 km away
  47. 2.77 km W of Cobb, California · 17540 days ago · 4 km deep · 83 km away
  48. 1.78 km W of Cobb, California · 17536 days ago · 1 km deep · 82 km away
  49. 2.116 km ENE of Lower Lake, California · 17536 days ago · 3 km deep · 93 km away
  50. 1.811 km NNW of Redwood Valley, California · 17534 days ago · 6 km deep · 11 km away
  51. 1.710 km WNW of Potter Valley, California · 17534 days ago · 4 km deep · 12 km away
  52. 1.811 km WNW of Potter Valley, California · 17534 days ago · 4 km deep · 12 km away
  53. 1.67 km E of Willits, California · 17531 days ago · 5 km deep · 7 km away
  54. 1.98 km W of Cobb, California · 17531 days ago · 1 km deep · 82 km away
  55. 2.48 km WSW of Cobb, California · 17530 days ago · 0 km deep · 84 km away
  56. 1.74 km ESE of Calpella, California · 17529 days ago · 3 km deep · 28 km away
  57. 2.14 km WSW of Cobb, California · 17525 days ago · 1 km deep · 85 km away
  58. 2.210 km NW of Cobb, California · 17524 days ago · 3 km deep · 76 km away
  59. 2.68 km W of Cobb, California · 17523 days ago · 1 km deep · 82 km away
  60. 1.811 km NE of Brooktrails, California · 17522 days ago · 5 km deep · 7 km away

The first 60 of 67.

Before

  1. 2.06 km NE of Willits, California · 17572 days ago · 4 km deep · 0 km away
  2. 1.88 km W of Cobb, California · 17574 days ago · 0 km deep · 82 km away
  3. 1.68 km W of Cobb, California · 17574 days ago · 1 km deep · 82 km away
  4. 2.0Northern California · 17574 days ago · 0 km deep · 99 km away
  5. 2.59 km NNW of Redwood Valley, California · 17576 days ago · 2 km deep · 13 km away
  6. 2.17 km W of Cobb, California · 17576 days ago · 4 km deep · 83 km away
  7. 1.62 km E of Garberville, California · 17576 days ago · 28 km deep · 82 km away
  8. 2.08 km W of Lakeport, California · 17576 days ago · 4 km deep · 52 km away
  9. 1.75 km WNW of Cobb, California · 17578 days ago · 3 km deep · 82 km away
  10. 2.113 km SSE of Mad River, California · 17578 days ago · -1 km deep · 99 km away
  11. 1.52 km ESE of Clear Lake Riviera, California · 17579 days ago · 1 km deep · 77 km away
  12. 1.82 km ESE of Clear Lake Riviera, California · 17579 days ago · 1 km deep · 77 km away
  13. 2.612 km SSE of Laytonville, California · 17580 days ago · -1 km deep · 19 km away
  14. 1.710 km ENE of Clearlake Oaks, California · 17588 days ago · -1 km deep · 78 km away
  15. 2.26 km W of Cobb, California · 17589 days ago · 3 km deep · 82 km away
  16. 2.229 km WNW of Cleone, California · 17590 days ago · 4 km deep · 70 km away
  17. 1.77 km WSW of Cobb, California · 17591 days ago · 2 km deep · 84 km away
  18. 1.911 km SE of Boonville, California · 17592 days ago · 4 km deep · 59 km away
  19. 2.99 km S of Benbow, California · 17593 days ago · -1 km deep · 73 km away
  20. 1.93 km SE of Willows, California · 17594 days ago · 20 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1041761. Read Tue, Sep 29, 2026, 1:17 AM UTC.