M1.8 earthquake 6 km WNW of Highland, Washington
A magnitude 1.8 earthquake struck 6 km WNW of Highland, Washington on Tue, Sep 21, 1976, 10:18 AM PDT (17:18 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.0 6 km WNW of Highland, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (md), micro
- Local time
- UTC
- 1976-09-21 17:18:11 UTC
- Depth
- 0.3 km (0.2 mi), shallow
- Epicenter
- 46.151° N, 119.189° 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 0.7 km horizontally, 1.3 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 104°
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.8Oregon · 18261 days ago · 10 km deep · 60 km away
- 1.710 km ESE of Starbuck, Washington · 18260 days ago · 0 km deep · 100 km away
- 2.06 km WNW of Highland, Washington · 18244 days ago · 0 km deep · 1 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10842248. Read Tue, Sep 22, 2026, 8:55 AM UTC.