M1.5 earthquake 2 km WSW of Entiat, Washington
A magnitude 1.5 earthquake struck 2 km WSW of Entiat, Washington on Thu, Apr 17, 1986, 10:16 AM PST (18:16 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M1.8 17 km NNW of Banks Lake South, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (md), micro
- Local time
- UTC
- 1986-04-17 18:16:40 UTC
- Depth
- 7.8 km (4.8 mi), shallow
- Epicenter
- 47.671° N, 120.242° 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 1.9 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 118°
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 7 in the 30 days before it.
After
- 1.817 km NNW of Banks Lake South, Washington · 14734 days ago · 0 km deep · 64 km away
- 1.61 km W of Entiat, Washington · 14721 days ago · 9 km deep · 1 km away
- 2.214 km W of Entiat, Washington · 14719 days ago · 8 km deep · 12 km away
- 2.711 km NNE of Entiat, Washington · 14714 days ago · 8 km deep · 13 km away
Before
- 2.313 km N of Almira, Washington · 14773 days ago · 6 km deep · 100 km away
- 2.611 km SW of Quincy, Washington · 14776 days ago · 3 km deep · 60 km away
- 1.810 km W of Mansfield, Washington · 14777 days ago · 11 km deep · 39 km away
- 3.310 km N of Entiat, Washington · 14778 days ago · 13 km deep · 11 km away
- 1.95 km ENE of Entiat, Washington · 14778 days ago · 4 km deep · 8 km away
- 1.919 km SSW of Disautel, Washington · 14786 days ago · 0 km deep · 91 km away
- 1.77 km SSW of Snoqualmie Pass, Washington · 14789 days ago · 13 km deep · 99 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10204298. Read Tue, Sep 22, 2026, 10:28 PM UTC.