Washington earthquakes

M1.5 earthquake 8 km S of Chelan Falls, Washington

A magnitude 1.5 earthquake struck 8 km S of Chelan Falls, Washington on Sat, Mar 8, 1986, 7:37 AM PST (15:37 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M1.6 5 km ENE of Manson, Washington. 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
1.5 (md), micro
Local time
UTC
1986-03-08 15:37:57 UTC
Depth
3.6 km (2.2 mi), shallow
Epicenter
47.725° N, 119.998° 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, 2.0 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
109°
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: 11 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.65 km ENE of Manson, Washington · 14806 days ago · -1 km deep · 20 km away
  2. 1.68 km S of Chelan Falls, Washington · 14805 days ago · 4 km deep · 0 km away
  3. 2.49 km SW of Royal City, Washington · 14802 days ago · 3 km deep · 99 km away
  4. 1.919 km SSW of Disautel, Washington · 14786 days ago · 0 km deep · 73 km away
  5. 1.95 km ENE of Entiat, Washington · 14777 days ago · 4 km deep · 11 km away
  6. 3.310 km N of Entiat, Washington · 14777 days ago · 13 km deep · 18 km away
  7. 1.810 km W of Mansfield, Washington · 14776 days ago · 11 km deep · 20 km away
  8. 2.611 km SW of Quincy, Washington · 14776 days ago · 3 km deep · 63 km away
  9. 2.313 km N of Almira, Washington · 14773 days ago · 6 km deep · 81 km away
  10. 1.52 km WSW of Entiat, Washington · 14768 days ago · 8 km deep · 19 km away
  11. 1.87 km SE of Marlin, Washington · 14756 days ago · 11 km deep · 91 km away

Before

  1. 1.73 km ENE of Entiat, Washington · 14818 days ago · 4 km deep · 13 km away
  2. 1.713 km WNW of Leavenworth, Washington · 14837 days ago · 12 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10203388. Read Tue, Sep 22, 2026, 5:22 PM UTC.