Canada earthquakes

M3.6 earthquake 13 km SE of Oak Bay, Canada

A magnitude 3.6 earthquake struck 13 km SE of Oak Bay, Canada on Tue, Jul 4, 2006, 1:37 PM PDT (20:37 UTC), 45 km (28 mi) below the surface.

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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: 3.6 (Md, duration), minor
Magnitude from: Pacific Northwest Seismic Network
Local time: Tue, Jul 4, 2006, 1:37 PM PDT
UTC: 2006-07-04 20:37:02 UTC
Depth: 45.5 km (28.2 mi), shallow
Epicenter: 48.355° N, 123.195° W
Region: Canada
Felt reports: 257
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.6	Md, duration	Pacific Northwest Seismic Network	Preferred · Final · ±0.04 · 15 stations
4.0	Mwr, regional moment	USGS National Earthquake Information Center	Reviewed

What happened

The USGS’s account of the effects of this earthquake.

Felt (III) at Anacortes, Coupeville, Eastsound, Friday Harbor, Greenbank, Langley, Oak Harbor, Port Angeles and Sequim; (II) on Camano Island, Lopez Island and at Port Townsend. Also felt (III) at Victoria, British Columbia. Felt in much of northern and central Puget Sound and parts of southern Vancouver Island, British Columbia.

From the USGS event page for uw10694073. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

257 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique normal
Nodal plane 1: Strike 359°, dip 67°, rake -124°
Nodal plane 2: Strike 239°, dip 40°, rake -37°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.9 km horizontally, 1.1 km in depth
Magnitude uncertainty: ±0.04
Depth from: From location
Station coverage gap: 125°
Stations used: 80

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 16 in the 30 days before it.

After

Before

Earthquakes today Canada earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10694073 (also filed as uw07042037, usp000emx1). Read Sat, Oct 3, 2026, 7:53 AM UTC.