M1.6 earthquake Washington
A magnitude 1.6 earthquake struck in Washington on Thu, Nov 8, 1984, 9:04 AM PST (17:04 UTC), 19 km (12 mi) below the surface.
A larger quake followed: M1.8 10 km W of Entiat, 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
- 1984-11-08 17:04:02 UTC
- Depth
- 19.1 km (11.9 mi), shallow
- Epicenter
- 48.102° N, 119.893° 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 11.6 km horizontally, 52.2 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 287°, poorly surrounded by stations
- 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: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 1.810 km W of Entiat, Washington · 15272 days ago · -1 km deep · 58 km away
- 1.58 km N of Waterville, Washington · 15264 days ago · 5 km deep · 44 km away
- 1.82 km ESE of Entiat, Washington · 15260 days ago · -1 km deep · 53 km away
- 1.52 km SE of Entiat, Washington · 15259 days ago · 6 km deep · 54 km away
- 2.043 km WNW of Winthrop, Washington · 15253 days ago · -1 km deep · 87 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10181718. Read Tue, Sep 22, 2026, 8:07 PM UTC.