M1.9 earthquake 24 km NNW of Chilliwack, Canada
A magnitude 1.9 earthquake struck 24 km NNW of Chilliwack, Canada on Tue, Sep 11, 1990, 4:15 PM PDT (23:15 UTC), 2 km (1 mi) below the surface.
A larger quake followed: M2.1 17 km S of Glacier, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1990-09-11 23:15:42 UTC
- Depth
- 2.4 km (1.5 mi), shallow
- Epicenter
- 49.362° N, 122.117° 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 1.5 km horizontally, 3.8 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 296°, poorly surrounded by stations
- 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: 5 in the 60 days after this one and 7 in the 30 days before it.
After
- 2.117 km S of Glacier, Washington · 13165 days ago · -1 km deep · 72 km away
- 2.0Washington · 13164 days ago · -1 km deep · 72 km away
- 1.64 km NE of Ferndale, Washington · 13163 days ago · 14 km deep · 63 km away
- 1.75 km E of Deming, Washington · 13159 days ago · 13 km deep · 60 km away
- 2.029 km SSE of Agassiz, Canada · 13114 days ago · 1 km deep · 57 km away
Before
- 1.55 km ENE of Deming, Washington · 13177 days ago · 13 km deep · 58 km away
- 2.00 km S of Sudden Valley, Washington · 13180 days ago · 15 km deep · 73 km away
- 1.75 km E of Deming, Washington · 13195 days ago · 4 km deep · 59 km away
- 1.86 km NE of Deming, Washington · 13197 days ago · 13 km deep · 56 km away
- 2.453 km WSW of Merritt, Canada · 13197 days ago · -2 km deep · 81 km away
- 1.620 km NW of Orcas, Washington · 13197 days ago · 54 km deep · 99 km away
- 2.13 km ESE of Deming, Washington · 13198 days ago · 1 km deep · 61 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10263038. Read Sat, Oct 3, 2026, 7:03 AM UTC.