M4.5 earthquake 188 km W of Port McNeill, Canada
A magnitude 4.5 earthquake struck 188 km W of Port McNeill, Canada on Mon, Jul 9, 1973, 10:47 AM PDT (17:47 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 204 km WNW of Port McNeill, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1973-07-09 17:47:44 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 50.897° N, 129.707° 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayCanada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00002n4. Read Tue, Sep 22, 2026, 11:23 AM UTC.