M2.3 earthquake 23 km SE of Forks, Washington
A magnitude 2.3 earthquake struck 23 km SE of Forks, Washington on Sat, Oct 20, 1990, 6:04 AM PDT (13:04 UTC), -1 km (-1 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1990-10-20 13:04:09 UTC
- Depth
- -0.8 km (-0.5 mi), shallow
- Epicenter
- 47.810° N, 124.147° 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 0.1 km horizontally, 0.1 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 113°
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 2 in the 30 days before it.
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10269038. Read Fri, Oct 2, 2026, 3:19 AM UTC.