California earthquakes

M1.8 earthquake 12 km ENE of Hydesville, California

A magnitude 1.8 earthquake struck 12 km ENE of Hydesville, California on Wed, Sep 1, 1976, 2:04 AM PDT (09:04 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.8 44 km SSW of Ferndale, California. This one was a foreshock.

Hydesville 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-09-01 09:04:08 UTC
Depth
20.8 km (12.9 mi), shallow
Epicenter
40.602° N, 123.969° 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, 0.9 km in depth
Depth from
From location
Station coverage gap
64°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 109 in the 60 days after this one and 62 in the 30 days before it.

After

  1. 1.67 km NNW of Alderpoint, California · 18293 days ago · 27 km deep · 49 km away
  2. 2.029 km WNW of Samoa, California · 18291 days ago · 26 km deep · 59 km away
  3. 1.71 km NW of Humboldt Hill, California · 18290 days ago · 10 km deep · 25 km away
  4. 1.61 km NE of Fields Landing, California · 18290 days ago · 12 km deep · 25 km away
  5. 1.91 km NNW of Humboldt Hill, California · 18289 days ago · 10 km deep · 24 km away
  6. 1.71 km NNW of Humboldt Hill, California · 18289 days ago · 10 km deep · 24 km away
  7. 1.71 km NNW of Humboldt Hill, California · 18289 days ago · 9 km deep · 24 km away
  8. 1.80 km NNW of Humboldt Hill, California · 18289 days ago · 10 km deep · 24 km away
  9. 2.247 km W of Ferndale, California · 18288 days ago · 18 km deep · 72 km away
  10. 3.214 km ESE of Big Lagoon, California · 18288 days ago · 22 km deep · 58 km away
  11. 1.520 km SW of Ferndale, California · 18287 days ago · 22 km deep · 43 km away
  12. 2.5Northern California · 18287 days ago · 26 km deep · 44 km away
  13. 2.513 km WSW of Ferndale, California · 18287 days ago · 22 km deep · 38 km away
  14. 2.57 km W of Ruth, California · 18287 days ago · 37 km deep · 61 km away
  15. 2.520 km SE of Ruth, California · 18287 days ago · 38 km deep · 86 km away
  16. 2.116 km SW of Mad River, California · 18287 days ago · 25 km deep · 41 km away
  17. 1.656 km WNW of Samoa, California · 18287 days ago · 4 km deep · 83 km away
  18. 1.613 km WSW of Scotia, California · 18286 days ago · 25 km deep · 30 km away
  19. 1.63 km W of Phillipsville, California · 18286 days ago · -1 km deep · 46 km away
  20. 2.36 km SSE of Pine Hills, California · 18286 days ago · 19 km deep · 16 km away
  21. 2.133 km SSW of Ferndale, California · 18285 days ago · 23 km deep · 53 km away
  22. 2.654 km W of Ferndale, California · 18285 days ago · 6 km deep · 80 km away
  23. 3.548 km WSW of Ferndale, California · 18285 days ago · 25 km deep · 73 km away
  24. 1.612 km ENE of Hydesville, California · 18284 days ago · 20 km deep · 1 km away
  25. 1.60 km W of Fortuna, California · 18284 days ago · 19 km deep · 16 km away
  26. 2.846 km WSW of Ferndale, California · 18283 days ago · 23 km deep · 72 km away
  27. 1.545 km WSW of Ferndale, California · 18283 days ago · 19 km deep · 70 km away
  28. 1.828 km WSW of Ferndale, California · 18283 days ago · 23 km deep · 52 km away
  29. 4.844 km SSW of Ferndale, California · 18283 days ago · 33 km deep · 62 km away
  30. 4.035 km SW of Ferndale, California · 18283 days ago · 27 km deep · 56 km away
  31. 2.528 km SSW of Ferndale, California · 18283 days ago · 23 km deep · 48 km away
  32. 2.919 km SSW of Ferndale, California · 18283 days ago · 23 km deep · 39 km away
  33. 1.629 km SW of Ferndale, California · 18283 days ago · 21 km deep · 52 km away
  34. 1.525 km SSW of Ferndale, California · 18283 days ago · 23 km deep · 44 km away
  35. 3.236 km SW of Ferndale, California · 18283 days ago · 28 km deep · 57 km away
  36. 1.611 km S of Ferndale, California · 18283 days ago · 4 km deep · 28 km away
  37. 1.735 km WSW of Ferndale, California · 18283 days ago · 28 km deep · 60 km away
  38. 2.034 km SW of Ferndale, California · 18282 days ago · 21 km deep · 55 km away
  39. 1.933 km SSW of Ferndale, California · 18282 days ago · 23 km deep · 53 km away
  40. 1.667 km WNW of Indianola, California · 18282 days ago · 5 km deep · 91 km away
  41. 2.858 km W of Ferndale, California · 18281 days ago · 44 km deep · 84 km away
  42. 2.932 km SSW of Ferndale, California · 18281 days ago · 20 km deep · 51 km away
  43. 3.432 km SW of Ferndale, California · 18281 days ago · 25 km deep · 52 km away
  44. 1.724 km WSW of Scotia, California · 18281 days ago · 16 km deep · 42 km away
  45. 1.732 km SW of Ferndale, California · 18280 days ago · 21 km deep · 53 km away
  46. 2.89 km WSW of Rio Dell, California · 18278 days ago · 24 km deep · 25 km away
  47. 1.91 km NW of Humboldt Hill, California · 18277 days ago · 9 km deep · 25 km away
  48. 1.927 km W of Indianola, California · 18277 days ago · 21 km deep · 51 km away
  49. 1.51 km NW of Humboldt Hill, California · 18277 days ago · 9 km deep · 25 km away
  50. 3.625 km W of Ferndale, CA · 18276 days ago · 22 km deep · 50 km away
  51. 3.00 km NW of Humboldt Hill, California · 18276 days ago · 10 km deep · 24 km away
  52. 3.00 km NNW of Humboldt Hill, California · 18276 days ago · 10 km deep · 24 km away
  53. 1.91 km WNW of Humboldt Hill, California · 18276 days ago · 0 km deep · 24 km away
  54. 1.78 km WSW of Rio Dell, California · 18274 days ago · 21 km deep · 24 km away
  55. 3.239 km SW of Ferndale, California · 18273 days ago · 23 km deep · 61 km away
  56. 1.727 km SW of Ferndale, California · 18273 days ago · 21 km deep · 49 km away
  57. 2.137 km SSW of Ferndale, California · 18273 days ago · 28 km deep · 57 km away
  58. 1.58 km SSW of Ferndale, California · 18272 days ago · 21 km deep · 29 km away
  59. 3.033 km SW of Ferndale, California · 18272 days ago · 25 km deep · 55 km away
  60. 2.75 km SSE of Leggett, California · 18271 days ago · 13 km deep · 90 km away

The first 60 of 109.

Before

  1. 2.548 km W of Ferndale, California · 18297 days ago · 0 km deep · 73 km away
  2. 3.528 km SW of Ferndale, California · 18298 days ago · 28 km deep · 51 km away
  3. 2.828 km W of Indianola, California · 18300 days ago · 23 km deep · 52 km away
  4. 3.156 km W of Indianola, California · 18300 days ago · 25 km deep · 80 km away
  5. 1.610 km WNW of Ferndale, California · 18301 days ago · 4 km deep · 35 km away
  6. 3.28 km N of Leggett, California · 18301 days ago · 4 km deep · 76 km away
  7. 1.729 km SW of Scotia, California · 18302 days ago · 22 km deep · 46 km away
  8. 2.4near the coast of Northern California · 18302 days ago · 21 km deep · 78 km away
  9. 2.1Northern California · 18302 days ago · 16 km deep · 48 km away
  10. 2.56 km N of Leggett, California · 18303 days ago · 4 km deep · 78 km away
  11. 2.110 km NNE of Leggett, California · 18304 days ago · 7 km deep · 76 km away
  12. 1.611 km ESE of Benbow, California · 18304 days ago · 10 km deep · 70 km away
  13. 1.62 km N of Miranda, California · 18304 days ago · 11 km deep · 40 km away
  14. 1.66 km ESE of Benbow, California · 18304 days ago · 11 km deep · 65 km away
  15. 1.87 km SSE of Benbow, California · 18305 days ago · 12 km deep · 69 km away
  16. 2.31 km ESE of Benbow, California · 18305 days ago · 10 km deep · 62 km away
  17. 2.67 km NNE of Leggett, California · 18305 days ago · 5 km deep · 78 km away
  18. 2.26 km ENE of Benbow, California · 18306 days ago · 13 km deep · 62 km away
  19. 1.77 km ESE of Benbow, California · 18306 days ago · 1 km deep · 67 km away
  20. 2.019 km S of Alderpoint, California · 18306 days ago · 22 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1031286. Read Sun, Oct 4, 2026, 2:05 PM UTC.