M1.8 earthquake 21 km NNE of Mission, Canada
A magnitude 1.8 earthquake struck 21 km NNE of Mission, Canada on Mon, Aug 6, 1990, 4:32 PM PDT (23:32 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M2.5 31 km NNW of Agassiz, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1990-08-06 23:32:24 UTC
- Depth
- 8.3 km (5.2 mi), shallow
- Epicenter
- 49.324° N, 122.237° 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, 0.3 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 214°, poorly surrounded by stations
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 8 in the 30 days before it.
After
- 1.54 km SSW of Kendall, Washington · 13204 days ago · 0 km deep · 50 km away
- 2.531 km NNW of Agassiz, Canada · 13201 days ago · -2 km deep · 29 km away
- 2.13 km ESE of Deming, Washington · 13197 days ago · 1 km deep · 56 km away
- 1.620 km NW of Orcas, Washington · 13196 days ago · 54 km deep · 90 km away
- 2.453 km WSW of Merritt, Canada · 13196 days ago · -2 km deep · 89 km away
- 1.86 km NE of Deming, Washington · 13196 days ago · 13 km deep · 52 km away
- 1.75 km E of Deming, Washington · 13194 days ago · 4 km deep · 55 km away
- 2.00 km S of Sudden Valley, Washington · 13179 days ago · 15 km deep · 67 km away
- 1.55 km ENE of Deming, Washington · 13176 days ago · 13 km deep · 54 km away
- 1.924 km NNW of Chilliwack, Canada · 13169 days ago · 2 km deep · 10 km away
- 2.117 km S of Glacier, Washington · 13164 days ago · -1 km deep · 70 km away
- 2.0Washington · 13163 days ago · -1 km deep · 70 km away
- 1.64 km NE of Ferndale, Washington · 13162 days ago · 14 km deep · 55 km away
- 1.75 km E of Deming, Washington · 13158 days ago · 13 km deep · 56 km away
Before
- 2.627 km SE of Hope, Canada · 13210 days ago · 5 km deep · 79 km away
- 1.82 km ENE of Deming, Washington · 13211 days ago · 1 km deep · 54 km away
- 1.82 km ENE of Deming, Washington · 13211 days ago · 1 km deep · 55 km away
- 3.53 km E of Deming, Washington · 13211 days ago · 1 km deep · 55 km away
- 2.13 km ESE of Deming, Washington · 13219 days ago · 1 km deep · 57 km away
- 3.22 km ESE of Deming, Washington · 13226 days ago · 0 km deep · 56 km away
- 1.63 km NNE of Deming, Washington · 13234 days ago · 0 km deep · 52 km away
- 1.916 km SSE of Glacier, Washington · 13235 days ago · 18 km deep · 69 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10261788. Read Fri, Oct 2, 2026, 6:00 AM UTC.