California earthquakes

M1.8 earthquake 16 km ESE of McCloud, California

A magnitude 1.8 earthquake struck 16 km ESE of McCloud, California on Wed, Sep 2, 1987, 12:35 AM PDT (07:35 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.3 Northern 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.

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The earthquake

Magnitude
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-09-02 07:35:08 UTC
Depth
3.7 km (2.3 mi), shallow
Epicenter
41.219° N, 121.952° 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 0.5 km horizontally, 9.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
92°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.516 km SE of Dunsmuir, California · 14270 days ago · 4 km deep · 19 km away
  2. 2.015 km SE of Dunsmuir, California · 14269 days ago · 11 km deep · 21 km away
  3. 1.84 km NNW of Coffee Creek, California · 14262 days ago · -1 km deep · 66 km away
  4. 2.49 km SSW of Trinity Center, California · 14256 days ago · 4 km deep · 74 km away
  5. 1.62 km NNW of Edgewood, California · 14255 days ago · 6 km deep · 50 km away
  6. 1.914 km NNE of Shingletown, California · 14253 days ago · 16 km deep · 67 km away
  7. 2.2Northern California · 14251 days ago · 4 km deep · 86 km away
  8. 3.3Northern California · 14251 days ago · 16 km deep · 85 km away
  9. 3.115 km N of Lewiston, California · 14250 days ago · 4 km deep · 84 km away
  10. 1.6Northern California · 14245 days ago · 3 km deep · 51 km away
  11. 2.012 km NNW of French Gulch, California · 14239 days ago · 4 km deep · 77 km away
  12. 2.02 km W of Cassel, California · 14225 days ago · 3 km deep · 46 km away

Before

  1. 3.28 km WSW of Big Bend, California · 14278 days ago · 3 km deep · 27 km away
  2. 3.52 km E of Lakehead, California · 14278 days ago · 4 km deep · 49 km away
  3. 3.62 km E of Lakehead, California · 14278 days ago · 4 km deep · 48 km away
  4. 2.9Northern California · 14280 days ago · 8 km deep · 98 km away
  5. 1.66 km NNE of Old Station, California · 14285 days ago · 1 km deep · 70 km away
  6. 3.58 km S of Hat Creek, California · 14288 days ago · 2 km deep · 63 km away
  7. 2.315 km N of Mineral, California · 14302 days ago · 14 km deep · 87 km away
  8. 2.79 km NW of Big Bend, California · 14305 days ago · 10 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc105252. Read Sat, Oct 3, 2026, 5:15 AM UTC.