M1.5 earthquake 1 km SSW of Walnut Grove, Canada
A magnitude 1.5 earthquake struck 1 km SSW of Walnut Grove, Canada on Fri, Apr 7, 2006, 8:19 PM PDT (03:19 UTC), 12 km (7 mi) below the surface.
A larger quake followed: M2.0 4 km ENE of Ganges, Canada. 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, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2006-04-08 03:19:10 UTC
- Depth
- 11.7 km (7.3 mi), shallow
- Epicenter
- 49.148° N, 122.650° W
- Region
- Canada
- 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 0.2 km horizontally, 1.0 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 311°, poorly surrounded by stations
- Stations used
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.58 km SW of Concrete, Washington · 7481 days ago · 5 km deep · 95 km away
- 2.04 km ENE of Ganges, Canada · 7480 days ago · 37 km deep · 65 km away
- 1.99 km SW of Concrete, Washington · 7471 days ago · 6 km deep · 96 km away
- 1.57 km S of Anacortes, Washington · 7464 days ago · 23 km deep · 78 km away
- 1.53 km N of Langley, Canada · 7442 days ago · 1 km deep · 2 km away
- 1.94 km NE of Big Lake, Washington · 7437 days ago · -1 km deep · 87 km away
- 1.95 km SW of Ault Field, Washington · 7436 days ago · 18 km deep · 94 km away
- 1.59 km NE of Oak Bay, Canada · 7425 days ago · 24 km deep · 82 km away
Before
Earthquakes todayCanada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10690213. Read Sun, Oct 4, 2026, 3:45 PM UTC.