M2.1 earthquake 1 km NNW of Highland, Washington
A magnitude 2.1 earthquake struck 1 km NNW of Highland, Washington on Mon, Mar 10, 1986, 6:06 PM PST (02:06 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M2.4 9 km SW of Royal City, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (md), micro
- Local time
- UTC
- 1986-03-11 02:06:11 UTC
- Depth
- 4.8 km (3.0 mi), shallow
- Epicenter
- 46.141° N, 119.118° W
- Region
- Washington
- 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 0.9 km horizontally, 0.8 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 125°
- 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: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.49 km SW of Royal City, Washington · 14802 days ago · 3 km deep · 92 km away
- 2.22 km E of Waitsburg, Washington · 14801 days ago · 0 km deep · 78 km away
- 1.67 km WNW of Mattawa, Washington · 14788 days ago · 4 km deep · 97 km away
- 1.611 km NNW of Benton City, Washington · 14763 days ago · 17 km deep · 42 km away
- 1.910 km SSW of Bickleton, Washington · 14759 days ago · 2 km deep · 100 km away
- 1.86 km NW of Mattawa, Washington · 14752 days ago · 0 km deep · 96 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10203678. Read Tue, Sep 22, 2026, 9:25 AM UTC.