M2.1 earthquake 6 km NW of Orcas, Washington
A magnitude 2.1 earthquake struck 6 km NW of Orcas, Washington on Tue, May 4, 1976, 5:08 AM PDT (12:08 UTC), 17 km (10 mi) below the surface.
A larger quake followed: M2.4 8 km NNE of Marrowstone, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (md), micro
- Local time
- UTC
- 1976-05-04 12:08:57 UTC
- Depth
- 16.7 km (10.4 mi), shallow
- Epicenter
- 48.645° N, 123.003° 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 2.1 km horizontally, 2.7 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 210°, poorly surrounded by stations
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.48 km NNE of Marrowstone, Washington · 18404 days ago · 53 km deep · 64 km away
- 2.414 km WNW of Orcas, Washington · 18403 days ago · 14 km deep · 9 km away
- 5.110 km ESE of Salt Spring Island, Canada · 18393 days ago · 62 km deep · 31 km away
- 2.28 km S of Concrete, Washington · 18374 days ago · 4 km deep · 96 km away
- 2.11 km W of Lake McMurray, Washington · 18357 days ago · 7 km deep · 66 km away
- 1.66 km SSW of La Conner, Washington · 18356 days ago · 14 km deep · 49 km away
Before
- 1.87 km ESE of Quilcene, Washington · 18408 days ago · 17 km deep · 95 km away
- 1.96 km NW of Sedro-Woolley, Washington · 18411 days ago · -1 km deep · 54 km away
- 1.76 km NW of Orcas, Washington · 18421 days ago · 15 km deep · 1 km away
- 1.67 km WSW of Camano, Washington · 18425 days ago · 28 km deep · 62 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10841313. Read Thu, Sep 24, 2026, 5:33 AM UTC.