California earthquakes

M1.9 earthquake 4 km ESE of Orick, California

A magnitude 1.9 earthquake struck 4 km ESE of Orick, California on Thu, Dec 6, 1984, 4:03 AM PST (12:03 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M2.3 16 km NE of Redcrest, California. This one was a foreshock.

Westhaven-Moonstone 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), micro
Local time
UTC
1984-12-06 12:03:14 UTC
Depth
27.7 km (17.2 mi), shallow
Epicenter
41.277° N, 124.014° 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 0.6 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.45
Depth from
From location
Station coverage gap
193°, poorly surrounded by stations
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: 31 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.90 km WNW of Manila, California · 15260 days ago · 25 km deep · 49 km away
  2. 2.316 km NE of Redcrest, California · 15254 days ago · 5 km deep · 87 km away
  3. 1.812 km SW of Scotia, California · 15254 days ago · 19 km deep · 98 km away
  4. 2.39 km ESE of Blue Lake, California · 15253 days ago · -1 km deep · 49 km away
  5. 3.58 km SSW of Ferndale, California · 15250 days ago · 8 km deep · 89 km away
  6. 1.87 km S of Ferndale, California · 15250 days ago · 7 km deep · 88 km away
  7. 1.97 km NNE of Trinity Village, California · 15246 days ago · 16 km deep · 58 km away
  8. 2.222 km WNW of Fields Landing, California · 15246 days ago · 24 km deep · 67 km away
  9. 2.753 km WNW of Samoa, California · 15244 days ago · 2 km deep · 77 km away
  10. 1.70 km ENE of Fields Landing, California · 15244 days ago · 5 km deep · 63 km away
  11. 2.825 km NNE of Redcrest, California · 15244 days ago · 1 km deep · 78 km away
  12. 3.13 km ESE of Willow Creek, California · 15242 days ago · 23 km deep · 52 km away
  13. 2.03 km ESE of Willow Creek, California · 15242 days ago · 21 km deep · 52 km away
  14. 2.425 km NNE of Redcrest, California · 15240 days ago · 2 km deep · 78 km away
  15. 2.324 km ENE of Hydesville, California · 15239 days ago · -1 km deep · 77 km away
  16. 1.89 km S of Ferndale, California · 15238 days ago · 18 km deep · 90 km away
  17. 2.18 km NE of Westhaven-Moonstone, California · 15237 days ago · 4 km deep · 19 km away
  18. 1.97 km SSW of Trinity Village, California · 15233 days ago · 27 km deep · 63 km away
  19. 2.625 km NNE of Redcrest, California · 15232 days ago · -1 km deep · 78 km away
  20. 2.29 km ESE of Hyampom, California · 15228 days ago · 4 km deep · 94 km away
  21. 2.23 km WSW of Loleta, California · 15221 days ago · 16 km deep · 75 km away
  22. 1.74 km WNW of Fields Landing, California · 15221 days ago · 7 km deep · 63 km away
  23. 2.012 km NE of Trinity Village, California · 15218 days ago · 20 km deep · 61 km away
  24. 2.0near the coast of Northern California · 15217 days ago · 1 km deep · 62 km away
  25. 2.1near the coast of Northern California · 15217 days ago · 2 km deep · 62 km away
  26. 2.222 km WNW of Ferndale, California · 15213 days ago · 14 km deep · 79 km away
  27. 1.68 km WSW of Scotia, California · 15212 days ago · 5 km deep · 93 km away
  28. 2.325 km NNE of Redcrest, California · 15210 days ago · 7 km deep · 78 km away
  29. 2.826 km NNE of Willow Creek, California · 15209 days ago · 39 km deep · 48 km away
  30. 1.821 km N of Willow Creek, California · 15206 days ago · 12 km deep · 37 km away
  31. 1.715 km WSW of Hyampom, California · 15206 days ago · 15 km deep · 86 km away

Before

  1. 2.60 km W of Humboldt Hill, California · 15269 days ago · 6 km deep · 63 km away
  2. 1.64 km NNE of Hydesville, California · 15270 days ago · 22 km deep · 77 km away
  3. 2.00 km ESE of Humboldt Hill, California · 15270 days ago · 6 km deep · 63 km away
  4. 2.80 km SW of Humboldt Hill, California · 15270 days ago · 7 km deep · 63 km away
  5. 2.315 km ESE of Indianola, California · 15271 days ago · 25 km deep · 59 km away
  6. 2.215 km ESE of Pine Hills, California · 15275 days ago · 0 km deep · 67 km away
  7. 3.96 km NNW of Junction City, California · 15278 days ago · 33 km deep · 95 km away
  8. 2.423 km SE of Indianola, California · 15282 days ago · 21 km deep · 68 km away
  9. 1.70 km SW of Humboldt Hill, California · 15284 days ago · 6 km deep · 64 km away
  10. 2.26 km NNW of Mad River, California · 15286 days ago · 5 km deep · 95 km away
  11. 2.612 km WNW of Fields Landing, California · 15292 days ago · 21 km deep · 62 km away
  12. 2.06 km W of Redcrest, California · 15292 days ago · 28 km deep · 97 km away
  13. 1.523 km WSW of Ferndale, California · 15295 days ago · 23 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1123471. Read Tue, Sep 22, 2026, 8:57 PM UTC.