M2.0 earthquake 16 km NNE of Ashford, Washington
A magnitude 2.0 earthquake struck 16 km NNE of Ashford, Washington on Mon, Nov 20, 1978, 7:29 PM PST (03:29 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M4.2 4 km NE of Fall City, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (md), micro
- Local time
- UTC
- 1978-11-21 03:29:17 UTC
- Depth
- 8.4 km (5.2 mi), shallow
- Epicenter
- 46.892° N, 121.951° 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 0.3 km horizontally, 0.4 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 147°
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.08 km WNW of Belfair, Washington · 17481 days ago · 13 km deep · 99 km away
- 2.010 km ENE of Cliffdell, Washington · 17477 days ago · 3 km deep · 78 km away
- 1.6Puget Sound region, Washington · 17471 days ago · 23 km deep · 84 km away
- 1.70 km N of Lake Forest Park, Washington · 17468 days ago · 20 km deep · 100 km away
- 1.612 km NW of Morton, Washington · 17449 days ago · 9 km deep · 42 km away
- 4.24 km NE of Fall City, Washington · 17441 days ago · 18 km deep · 79 km away
- 1.710 km SW of Packwood, Washington · 17434 days ago · 7 km deep · 41 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10848393. Read Wed, Sep 30, 2026, 8:13 PM UTC.