M1.7 earthquake 13 km NE of Orcas, Washington
A magnitude 1.7 earthquake struck 13 km NE of Orcas, Washington on Mon, Sep 27, 1976, 8:05 AM PDT (15:05 UTC), 65 km (40 mi) below the surface.
A larger quake followed: M2.1 2 km W of Eastmont, WA. 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
- 1976-09-27 15:05:03 UTC
- Depth
- 64.8 km (40.2 mi), shallow
- Epicenter
- 48.665° N, 122.798° 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 1.1 km horizontally, 1.3 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 136°
- Stations used
- 4
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.12 km W of Eastmont, WA · 18253 days ago · 25 km deep · 96 km away
- 1.86 km W of Coupeville, Washington · 18250 days ago · 23 km deep · 51 km away
- 1.61 km SE of Stanwood, Washington · 18235 days ago · 24 km deep · 58 km away
- 1.59 km N of Six Mile, Canada · 18234 days ago · 18 km deep · 52 km away
- 1.54 km WSW of Hansville, Washington · 18232 days ago · 9 km deep · 86 km away
- 1.83 km W of Eastmont, Washington · 18225 days ago · 28 km deep · 96 km away
- 2.43 km SSW of Hamilton, Washington · 18224 days ago · 4 km deep · 61 km away
- 1.67 km WSW of Verlot, Washington · 18222 days ago · -1 km deep · 96 km away
- 1.56 km S of La Conner, Washington · 18203 days ago · 18 km deep · 42 km away
Before
- 2.09 km NNW of Carlsborg, Washington · 18259 days ago · 43 km deep · 62 km away
- 2.15 km WSW of Coupeville, Washington · 18276 days ago · 26 km deep · 51 km away
- 4.76 km WSW of Coupeville, Washington · 18282 days ago · 22 km deep · 53 km away
- 1.72 km NNW of Freeland, Washington · 18282 days ago · 24 km deep · 74 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10842288. Read Tue, Sep 22, 2026, 5:16 PM UTC.