M1.8 earthquake 7 km NW of Orcas, Washington
A magnitude 1.8 earthquake struck 7 km NW of Orcas, Washington on Sun, Jun 12, 1983, 12:59 PM PDT (19:59 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M2.0 10 km NW of Concrete, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (md), micro
- Local time
- UTC
- 1983-06-12 19:59:31 UTC
- Depth
- 14.6 km (9.1 mi), shallow
- Epicenter
- 48.645° N, 123.022° 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 1.3 km horizontally, 1.0 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 213°, poorly surrounded by stations
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.65 km E of Ault Field, Washington · 15805 days ago · 23 km deep · 46 km away
- 2.010 km NW of Concrete, Washington · 15805 days ago · 0 km deep · 88 km away
- 2.113 km S of Chilliwack, Canada · 15795 days ago · -1 km deep · 92 km away
- 1.89 km S of Anacortes, Washington · 15786 days ago · 21 km deep · 38 km away
- 2.13 km WNW of Orcas, Washington · 15784 days ago · 10 km deep · 5 km away
- 1.78 km N of Sedro-Woolley, Washington · 15783 days ago · 12 km deep · 60 km away
- 2.00 km WSW of Port Ludlow, Washington · 15780 days ago · 55 km deep · 84 km away
- 1.76 km WNW of La Conner, Washington · 15755 days ago · 22 km deep · 41 km away
- 1.75 km WSW of Coupeville, Washington · 15755 days ago · 20 km deep · 53 km away
- 1.54 km W of Coupeville, Washington · 15753 days ago · 17 km deep · 52 km away
Before
- 1.64 km N of Bryant, Washington · 15812 days ago · 16 km deep · 76 km away
- 2.02 km W of Port Angeles East, Washington · 15816 days ago · 37 km deep · 66 km away
- 1.911 km NW of Coupeville, Washington · 15819 days ago · 21 km deep · 44 km away
- 2.111 km NW of Orcas, Washington · 15832 days ago · 57 km deep · 4 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10159423. Read Tue, Sep 22, 2026, 3:57 PM UTC.