I experienced my first magnitude 7.0-7.5 earthquake when I was 22 months old. It almost knocked me to the ground. That 1946 Vancouver Island earthquake struck Vancouver Island on June 23, 1946 at 10:15 a.m. with a magnitude estimated at 7.0 Ms and 7.5 Mw. The main shock epicenter occurred in the Forbidden Plateau area northwest of Courtenay. While most of the large earthquakes in the Vancouver area occur at tectonic plate boundaries, the 1946 Vancouver Island earthquake was a crustal event. Shaking was felt from Portland, Oregon, to Prince Rupert, British Columbia. There were a whole series of landslides in the Forbidden Plateau area that blocked streams and rivers to create lakes. The first hikers into the area gave them great names, Landslide Lake, Rock Fall Lake, Earthquake Lake etc.; over time these natural dams were eroded to nothing, leaving nothing but fading memories of those lakes. This earthquake is Canada's largest historic onshore earthquake. Canada has only been around for 155 years
Three years later, an earthquake, an M8.1, struck at 8:01 p.m. PDT on August 2, 1949 in Haida Gwaii [formerly Queen Charlotte Islands], an interplate earthquake that occurred on the ocean bottom just off the west coast of the main south island. The shock had a surface wave magnitude of 8.1 and a maximum Mercalli Intensity of VIII (Severe).
Countdown to Earthquake Drill - International Great ShakeOut Day is on Thursday, October 20, 2022 at 10:20AM, and annually on the 3rd Thursday in October thereafter - -
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björk : mutual core
https://youtu.be/-WnzRqCK6Fs [5:14 minutes]
By Iceland native björk 605K subscribers
Wow. I feature you in many of my works https://stangwebb.blogspot.com/,s https://cascadiamegaquake.blogspot.com/, https://mountbakerstratovolcano.blogspot.com/, https://manfromminto.blogspot.com/, https://newiceland2.blogspot.com/, etc
The Active Volcano in Canada; Mount Meager
https://youtu.be/GDstNmXemhI [4:25 minutes]
19,291 views • Apr 8, 2021 • Within Canada is a volcano that relatively recently produced an eruption comparable in size to the 1980 eruption of Mount Saint Helens. The volcano in question is known as Mount Meager, which is still relatively active today as evidenced by its hot springs and fumaroles. This video covers the recent eruptions from this volcano, including its 410 BC Eruption, and states the general hazard which it poses in the future. This video was made by a geologist who is based in Arizona. If you would like to support this channel, consider becoming a patron at http://patreon.com/geologyhub. Another way to support this channel is to make an order via our gemstone and geology related etsy store at http://prospectingarizona.etsy.com.
