M2.2 earthquake 11 km NW of Friday Harbor, Washington
A magnitude 2.2 earthquake struck 11 km NW of Friday Harbor, Washington on Mon, Mar 17, 1980, 9:48 AM PST (17:48 UTC), 20 km (12 mi) below the surface.
A larger quake followed: M3.8 10 km W of Port Townsend, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (md), micro
- Local time
- UTC
- 1980-03-17 17:48:26 UTC
- Depth
- 19.7 km (12.2 mi), shallow
- Epicenter
- 48.621° N, 123.111° 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 1.7 km horizontally, 3.8 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 103°
- Stations used
- 12
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 1 in the 30 days before it.
After
- 1.84 km NNW of North Saanich, Canada · 16986 days ago · 20 km deep · 26 km away
- 1.89 km SSW of Bell Hill, Washington · 16984 days ago · 44 km deep · 72 km away
- 3.810 km W of Port Townsend, Washington · 16962 days ago · 50 km deep · 57 km away
- 1.95 km SSW of Delta, Canada · 16934 days ago · 14 km deep · 55 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10075913. Read Thu, Sep 24, 2026, 3:53 AM UTC.