M2.2 earthquake 16 km ENE of Yacolt, Washington
A magnitude 2.2 earthquake struck 16 km ENE of Yacolt, Washington on Thu, Oct 6, 1977, 11:22 PM PDT (06:22 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
- 2.2 (md), micro
- Local time
- UTC
- 1977-10-07 06:22:57 UTC
- Depth
- -1.3 km (-0.8 mi), shallow
- Epicenter
- 45.907° N, 122.196° 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 2.1 km horizontally, 3.2 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 289°, poorly surrounded by stations
- Stations used
- 5
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 3 in the 30 days before it.
After
- 1.740 km SSE of Morton, Washington · 17878 days ago · 3 km deep · 36 km away
- 1.92 km WSW of Ashford, Washington · 17846 days ago · 0 km deep · 95 km away
- 1.92 km SW of Ashford, Washington · 17846 days ago · -1 km deep · 94 km away
- 2.17 km SE of Mossyrock, Washington · 17838 days ago · 16 km deep · 66 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10844848. Read Tue, Sep 22, 2026, 9:19 PM UTC.