M1.6 earthquake 4 km NW of Entiat, Washington
A magnitude 1.6 earthquake struck 4 km NW of Entiat, Washington on Wed, Jun 17, 1987, 9:46 AM PDT (16:46 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.1 2 km W of Kittitas, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (md), micro
- Local time
- UTC
- 1987-06-17 16:46:22 UTC
- Depth
- -0.5 km (-0.3 mi), shallow
- Epicenter
- 47.712° N, 120.246° 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 0.5 km horizontally
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 153°
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.12 km W of Kittitas, Washington · 14313 days ago · 11 km deep · 83 km away
- 1.822 km ENE of Mansfield, Washington · 14307 days ago · 8 km deep · 69 km away
- 1.52 km SE of Entiat, Washington · 14304 days ago · 3 km deep · 7 km away
- 1.66 km WSW of Easton, Washington · 14293 days ago · 20 km deep · 94 km away
- 2.24 km SW of Entiat, Washington · 14290 days ago · -1 km deep · 7 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10220663. Read Tue, Sep 22, 2026, 12:13 PM UTC.