Canada earthquakes

M2.1 earthquake 7 km SSW of Aldergrove, Canada

A magnitude 2.1 earthquake struck 7 km SSW of Aldergrove, Canada on Thu, Mar 15, 1990, 7:22 PM PST (03:22 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.0 4 km ENE of Deming, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-03-16 03:22:00 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
49.001° N, 122.525° 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 0.9 km horizontally, 2.6 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
92°
Stations used
23

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 98 in the 60 days after this one and 17 in the 30 days before it.

After

The first 60 of 98.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10255968. Read Fri, Oct 2, 2026, 1:48 AM UTC.