California earthquakes

M2.0 earthquake 38 km WNW of Big Lagoon, California

A magnitude 2.0 earthquake struck 38 km WNW of Big Lagoon, California on Sun, May 4, 1986, 5:04 AM PDT (12:04 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M4.0 29 km W of Indianola, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1986-05-04 12:04:21 UTC
Depth
20.3 km (12.6 mi), shallow
Epicenter
41.307° N, 124.556° 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 3.6 km horizontally, 7.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
274°, 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: 13 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.238 km W of Trinidad, California · 14760 days ago · 22 km deep · 22 km away
  2. 2.123 km WNW of Fields Landing, California · 14759 days ago · 12 km deep · 56 km away
  3. 2.84 km WNW of Hydesville, California · 14758 days ago · 10 km deep · 90 km away
  4. 2.45 km E of Hydesville, California · 14753 days ago · 19 km deep · 94 km away
  5. 2.112 km ESE of Blue Lake, California · 14752 days ago · 21 km deep · 79 km away
  6. 2.511 km W of Indianola, California · 14751 days ago · 6 km deep · 71 km away
  7. 1.920 km ESE of Indianola, California · 14721 days ago · 23 km deep · 87 km away
  8. 3.630 km SSW of Happy Camp, California · 14719 days ago · 4 km deep · 93 km away
  9. 2.04 km SSE of Big Lagoon, California · 14718 days ago · 4 km deep · 43 km away
  10. 4.029 km W of Indianola, California · 14711 days ago · 18 km deep · 68 km away
  11. 2.034 km WNW of Ferndale, California · 14711 days ago · 22 km deep · 71 km away
  12. 2.240 km WNW of Ferndale, California · 14710 days ago · 19 km deep · 69 km away
  13. 1.735 km W of Big Lagoon, California · 14710 days ago · 4 km deep · 16 km away

Before

  1. 3.923 km WNW of Indianola, California · 14764 days ago · 23 km deep · 63 km away
  2. 2.024 km W of Ferndale, California · 14768 days ago · 24 km deep · 82 km away
  3. 2.029 km W of Ferndale, California · 14773 days ago · 25 km deep · 83 km away
  4. 2.522 km WSW of Ferndale, California · 14773 days ago · 26 km deep · 93 km away
  5. 3.0103 km W of Big Lagoon, California · 14773 days ago · 23 km deep · 67 km away
  6. 1.923 km WSW of Ferndale, California · 14773 days ago · 26 km deep · 93 km away
  7. 2.25 km SSW of Ferndale, California · 14777 days ago · 8 km deep · 89 km away
  8. 2.238 km WSW of Ferndale, California · 14779 days ago · 24 km deep · 100 km away
  9. 2.012 km WNW of Fields Landing, California · 14779 days ago · 15 km deep · 63 km away
  10. 1.95 km NNE of Willow Creek, California · 14779 days ago · 4 km deep · 88 km away
  11. 2.37 km N of Trinity Village, California · 14783 days ago · 39 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10085421. Read Thu, Oct 1, 2026, 2:40 PM UTC.