M2.2 earthquake 8 km S of Concrete, Washington
A magnitude 2.2 earthquake struck 8 km S of Concrete, Washington on Fri, Jun 4, 1976, 1:22 AM PDT (08:22 UTC), 4 km (2 mi) below the surface.
A larger quake followed: M2.7 4 km SSE of Birch Bay, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (md), micro
- Local time
- UTC
- 1976-06-04 08:22:14 UTC
- Depth
- 3.6 km (2.2 mi), shallow
- Epicenter
- 48.459° N, 121.730° 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 0.0 km horizontally, 0.1 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 197°, 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: 11 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.73 km S of Lake Forest Park, Washington · 18380 days ago · 24 km deep · 92 km away
- 2.112 km NE of May Creek, Washington · 18367 days ago · 3 km deep · 59 km away
- 2.11 km W of Lake McMurray, Washington · 18363 days ago · 7 km deep · 42 km away
- 1.610 km NE of May Creek, Washington · 18363 days ago · 3 km deep · 60 km away
- 1.66 km SSW of La Conner, Washington · 18361 days ago · 14 km deep · 60 km away
- 1.99 km SSW of Hamilton, Washington · 18350 days ago · 19 km deep · 22 km away
- 1.61 km SSW of Mukilteo, Washington · 18343 days ago · 32 km deep · 73 km away
- 1.50 km N of Edmonds, Washington · 18341 days ago · 21 km deep · 86 km away
- 1.64 km SE of Lake Roesiger, Washington · 18333 days ago · 10 km deep · 57 km away
- 1.57 km N of Anacortes, Washington · 18325 days ago · -1 km deep · 67 km away
- 2.74 km SSE of Birch Bay, Washington · 18320 days ago · 17 km deep · 86 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10841508. Read Wed, Sep 30, 2026, 1:54 AM UTC.