California earthquakes

M1.6 earthquake 8 km S of McCloud, California

A magnitude 1.6 earthquake struck 8 km S of McCloud, California on Thu, Dec 20, 1984, 6:41 PM PST (02:41 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.3 8 km NW of Old Station, California. This one was a foreshock.

McCloud 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-12-21 02:41:02 UTC
Depth
3.5 km (2.2 mi), shallow
Epicenter
41.180° N, 122.123° 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, 7.6 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
124°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.68 km S of McCloud, California · 15260 days ago · 3 km deep · 1 km away
  2. 1.913 km E of Cottonwood, California · 15259 days ago · 13 km deep · 89 km away
  3. 2.214 km W of Round Mountain, California · 15255 days ago · 23 km deep · 42 km away
  4. 1.69 km WSW of Manton, California · 15254 days ago · 5 km deep · 86 km away
  5. 1.92 km WNW of Big Bend, California · 15254 days ago · 16 km deep · 23 km away
  6. 2.010 km SSE of Lakehead, California · 15250 days ago · 4 km deep · 45 km away
  7. 1.912 km E of Cottonwood, California · 15250 days ago · 18 km deep · 91 km away
  8. 2.016 km WNW of Paynes Creek, California · 15246 days ago · 18 km deep · 87 km away
  9. 1.615 km E of Cottonwood, California · 15245 days ago · 7 km deep · 90 km away
  10. 3.012 km W of Paynes Creek, California · 15242 days ago · 17 km deep · 93 km away
  11. 1.810 km WNW of Paynes Creek, California · 15242 days ago · 4 km deep · 90 km away
  12. 1.6Northern California · 15230 days ago · 10 km deep · 82 km away
  13. 1.912 km SE of Dunsmuir, California · 15219 days ago · 12 km deep · 7 km away
  14. 2.23 km WNW of McCloud, California · 15214 days ago · -2 km deep · 11 km away
  15. 2.23 km NNE of McCloud, California · 15214 days ago · 12 km deep · 11 km away
  16. 1.62 km ENE of McCloud, California · 15213 days ago · 3 km deep · 9 km away
  17. 2.12 km E of McCloud, California · 15213 days ago · 4 km deep · 9 km away
  18. 2.02 km E of McCloud, California · 15213 days ago · 3 km deep · 9 km away
  19. 2.225 km S of Nubieber, California · 15206 days ago · 4 km deep · 88 km away
  20. 3.38 km NW of Old Station, California · 15202 days ago · 9 km deep · 72 km away
  21. 1.8Northern California · 15202 days ago · 10 km deep · 72 km away

Before

  1. 1.614 km NNE of Mineral, California · 15260 days ago · 3 km deep · 93 km away
  2. 1.613 km ENE of Millville, California · 15261 days ago · 10 km deep · 66 km away
  3. 1.54 km NNW of McCloud, California · 15267 days ago · 4 km deep · 13 km away
  4. 1.716 km SW of Old Station, California · 15267 days ago · 3 km deep · 83 km away
  5. 1.72 km N of McCloud, California · 15267 days ago · 6 km deep · 11 km away
  6. 1.717 km NE of Mineral, California · 15278 days ago · 2 km deep · 95 km away
  7. 1.88 km NNW of Old Station, California · 15280 days ago · 5 km deep · 74 km away
  8. 1.69 km NW of Old Station, California · 15280 days ago · 3 km deep · 71 km away
  9. 1.99 km NW of Old Station, California · 15280 days ago · 3 km deep · 71 km away
  10. 2.08 km SE of Hat Creek, California · 15280 days ago · -2 km deep · 73 km away
  11. 1.720 km W of Big Bend, California · 15285 days ago · 9 km deep · 21 km away
  12. 3.96 km NNW of Junction City, California · 15287 days ago · 33 km deep · 91 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc38421. Read Thu, Oct 1, 2026, 11:57 PM UTC.