Canada earthquakes

M1.5 earthquake 0 km WSW of Oak Bay, Canada

A magnitude 1.5 earthquake struck 0 km WSW of Oak Bay, Canada on Tue, Jul 24, 1973, 8:54 PM PDT (03:54 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M3.5 31 km NE of Amanda Park, Washington. This one was a foreshock.

Oak Bay forecastMore in Canada

Map

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

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1973-07-25 03:54:23 UTC
Depth
46.8 km (29.1 mi), shallow
Epicenter
48.447° N, 123.315° 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 1.2 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
195°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.12 km N of Burlington, Washington · 19422 days ago · 11 km deep · 73 km away
  2. 3.531 km NE of Amanda Park, Washington · 19406 days ago · 46 km deep · 92 km away
  3. 1.90 km NW of Edmonds, Washington · 19400 days ago · 23 km deep · 99 km away
  4. 2.313 km W of Quilcene, Washington · 19389 days ago · 48 km deep · 73 km away
  5. 2.15 km ESE of Port Townsend, Washington · 19383 days ago · 59 km deep · 60 km away
  6. 1.85 km ESE of Nooksack, Washington · 19377 days ago · 15 km deep · 93 km away
  7. 2.45 km ESE of Nooksack, Washington · 19376 days ago · 21 km deep · 94 km away
  8. 1.98 km NW of Friday Harbor, Washington · 19376 days ago · 6 km deep · 24 km away
  9. 1.86 km NW of Friday Harbor, Washington · 19376 days ago · 5 km deep · 23 km away
  10. 1.55 km N of Marrowstone, Washington · 19373 days ago · 24 km deep · 61 km away
  11. 2.116 km W of Quilcene, Washington · 19373 days ago · 45 km deep · 74 km away
  12. 2.34 km SW of Geneva, Washington · 19371 days ago · 24 km deep · 71 km away

Before

  1. 1.64 km SW of Hansville, Washington · 19428 days ago · 18 km deep · 82 km away
  2. 1.56 km ESE of Forks, Washington · 19447 days ago · 25 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10856628. Read Tue, Sep 29, 2026, 2:23 PM UTC.