M1.5 earthquake 6 km NW of La Conner, Washington
A magnitude 1.5 earthquake struck 6 km NW of La Conner, Washington on Thu, Apr 5, 1979, 2:53 PM PST (22:53 UTC), 22 km (14 mi) below the surface.
A larger quake followed: M1.8 2 km NE of Hansville, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (md), micro
- Local time
- UTC
- 1979-04-05 22:53:01 UTC
- Depth
- 22.4 km (13.9 mi), shallow
- Epicenter
- 48.431° N, 122.557° 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 0.7 km horizontally, 0.8 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 87°
- Stations used
- 9
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 9 in the 30 days before it.
After
- 1.82 km NE of Hansville, Washington · 17337 days ago · 51 km deep · 56 km away
- 1.55 km SW of Coupeville, Washington · 17323 days ago · 16 km deep · 30 km away
- 1.94 km SSW of Hansville, Washington · 17323 days ago · 9 km deep · 62 km away
- 1.510 km SE of Salt Spring Island, Canada · 17313 days ago · 18 km deep · 71 km away
- 2.216 km SE of Glacier, Washington · 17309 days ago · 0 km deep · 69 km away
- 1.74 km ENE of Verlot, Washington · 17282 days ago · 14 km deep · 72 km away
Before
- 1.519 km SSW of Point Roberts, Washington · 17340 days ago · 19 km deep · 61 km away
- 1.62 km E of Mukilteo, Washington · 17343 days ago · 15 km deep · 59 km away
- 1.60 km WSW of Langford, Canada · 17349 days ago · 18 km deep · 71 km away
- 2.519 km SSE of Oak Bay, Canada · 17351 days ago · 44 km deep · 48 km away
- 1.516 km W of Marietta, Washington · 17356 days ago · 12 km deep · 41 km away
- 1.910 km SSE of Point Roberts, Washington · 17360 days ago · 10 km deep · 62 km away
- 3.86 km WSW of Coupeville, Washington · 17361 days ago · 23 km deep · 30 km away
- 1.517 km SE of Glacier, Washington · 17363 days ago · -1 km deep · 67 km away
- 1.54 km NW of Chico, Washington · 17367 days ago · 23 km deep · 90 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10849408. Read Tue, Sep 22, 2026, 9:28 PM UTC.