M1.7 earthquake 7 km SSW of Bellingham, Washington
A magnitude 1.7 earthquake struck 7 km SSW of Bellingham, Washington on Sun, Mar 22, 1987, 10:56 PM PST (06:56 UTC), 13 km (8 mi) below the surface.
A larger quake followed: M2.2 7 km ENE of Lofall, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (md), micro
- Local time
- UTC
- 1987-03-23 06:56:30 UTC
- Depth
- 13.2 km (8.2 mi), shallow
- Epicenter
- 48.696° N, 122.511° 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, 0.2 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 43°
- Stations used
- 22
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 2 in the 30 days before it.
After
- 2.27 km ENE of Lofall, Washington · 14422 days ago · 8 km deep · 95 km away
- 2.83 km SSW of Swede Heaven, Washington · 14415 days ago · 1 km deep · 75 km away
- 1.520 km SSE of Marblemount, Washington · 14395 days ago · -1 km deep · 93 km away
- 1.61 km NNW of Mission, Canada · 14381 days ago · 10 km deep · 52 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10218088. Read Tue, Sep 22, 2026, 8:22 AM UTC.