M1.6 earthquake 18 km NNW of Orcas, Washington
A magnitude 1.6 earthquake struck 18 km NNW of Orcas, Washington on Mon, Feb 2, 1987, 8:04 PM PST (04:04 UTC), 53 km (33 mi) below the surface.
A larger quake followed: M1.7 7 km SSW of Bellingham, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (md), micro
- Local time
- UTC
- 1987-02-03 04:04:23 UTC
- Depth
- 52.5 km (32.6 mi), shallow
- Epicenter
- 48.747° N, 123.041° 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 0.5 km horizontally, 0.5 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 40°
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10214633. Read Tue, Sep 22, 2026, 9:28 PM UTC.