M2.0 earthquake 23 km NE of Maple Ridge, Canada
A magnitude 2.0 earthquake struck 23 km NE of Maple Ridge, Canada on Thu, Jul 20, 1989, 10:10 AM PDT (17:10 UTC), 7 km (4 mi) below the surface.
A larger quake followed: M2.3 18 km NE of Nanaimo, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1989-07-20 17:10:02 UTC
- Depth
- 6.6 km (4.1 mi), shallow
- Epicenter
- 49.397° N, 122.417° 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 8.5 km horizontally, 9.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 294°, poorly surrounded by stations
- Stations used
- 11
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 5 in the 30 days before it.
After
- 2.318 km NE of Nanaimo, Canada · 13583 days ago · -1 km deep · 100 km away
- 2.019 km SSE of Glacier, Washington · 13548 days ago · 18 km deep · 85 km away
- 1.518 km SSE of Glacier, Washington · 13547 days ago · 23 km deep · 84 km away
- 2.33 km NW of Acme, Washington · 13543 days ago · -1 km deep · 74 km away
- 1.78 km NNW of Orcas, Washington · 13537 days ago · 18 km deep · 92 km away
Before
- 2.012 km W of Chilliwack, Canada · 13588 days ago · -1 km deep · 32 km away
- 1.619 km NNE of Maple Ridge, Canada · 13590 days ago · -2 km deep · 9 km away
- 1.713 km WNW of Orcas, Washington · 13595 days ago · 11 km deep · 99 km away
- 2.157 km WSW of Merritt, Canada · 13595 days ago · -2 km deep · 86 km away
- 1.711 km NNW of Friday Harbor, Washington · 13607 days ago · 17 km deep · 100 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10247438. Read Thu, Oct 1, 2026, 4:20 AM UTC.