Why Cascadia Megaquake Will Be The Worst Disaster To Hit The West Coast Of America

Insane Curiosity
Insane Curiosity
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Published 2024-07-18
The Mega earthquake that shook the West Coast three centuries ago is back! And this time, it is extremely terrifying. The Cascadia subduction zone, a 700-mile-long fault line off the west coast of North America, is on the brink of a major seismic event. According to historical accounts, the 1700 earthquake in this region triggered a tsunami wave that inundated coastal communities, finishing thousands of people and causing an estimated $32 billion in economic losses. Geologists warn that tectonic forces have been building for over three centuries, and the region is now poised for a magnitude 9.0 earthquake, which would be ten times more deadly than the disastrous California earthquake of 1994. The consequences of such a disaster are almost unimaginable. Thousands of lives would be lost, with entire communities swallowed by the earth or submerged by tsunamis. What exactly is the Cascadia subduction zone, and why is it such a looming threat to the Pacific Northwest? Don't just spectate the impact compared to other earthquake-prone zones - join us as we explore the science behind this earthquake, the true scale of the disaster, and how it will affect millions of lives in the region.
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com,Elon Musk/SpaceX/ Flickr
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00:00 Intro
5:10 Cascadia subduction zone
9:00 The 1700 Cascadia Earthquake
12:10 WHy earthquakes generate Tsunamis Which areas should we look for?
14:58 Which Areas could be hit?
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#insanecuriosity #cascadia #earthquakes
All Comments (21)
  • @SusanHarris-sk2ib
    I don't think there was any development of the West Coast in 1700 to cause 32 billion in damages. After hearing you say that I just gave up on your entire video.
  • @guitaringjarmin
    This video is the perfect example of a 10,000 word essay with little to say
  • @seanthorntonmd3908
    Unlike some of your previous videos on this topic, you got virtually all of the earthquake science in this one correct, and told the story well. But it wasn't perfect. You stated the PNW businesses were ravaged in the 1700 quake. Well, the native Americans living there then didn't have "businesses" per se. Also, you stated that the seismic waves from the 1700 quake were registered in Japan. Not so, there were no seismographs then. Otherwise, this was the best video on this topic to date, and I enjoyed. it. I appreciate the effort to get the EQ science correct this time. Next time try to get the video shown to match the topic being discussed a little better.
  • @juicedseventyeight9236
    I don't think there were many businesses on the west coast of the PNW in 1700, but great video!
  • @johnb6723
    That zone is capable of anything up to mag. 10 earthquakes, by the way.
  • @bramolini4835
    Loved the surfer from 300 years ago .... well ahead of their time !!
  • @riinak7212
    I'm glad you keep people aware of things like the Cascadia Subduction Zone and its potential to eventually wreak havoc in the PNW. But I have to ask, who is writing these? 2:28 It's LO-ma Pree-AY-ta 5:40 There is no "Explorer" plate, though the Juan de Fuca plate was named after an explorer. That plate is subducting under the North Amerucan plate. There's not even one labeled on your map! 07:58 Mega*thrust*, not mega*crust* 14:20 The plural of tsunami is tsunami, like the plural of anime is anime, though "tsunamis" is accepted. 16:28 The second-most powerful earthquake ever recorded happened in the U.S. state of Alaska in 1964 at 17:36 local time, 27 March, 1964 (03:36, 28 March, UTC), Good Friday. It was a 9.2 on the Richter scale. If this manages a 9.2, it would tie that record and would be the joint-worst in the USA & joint-second-worst ever recorded.
  • @RobertCoggin-mi7xx
    Okay you said that in the 1700s the tsunami killed thousands of people and cost 32 billion dollars in 1700s
  • @cheweyweather
    I'm in Oregon just west of Eugene. I'll let you know what happens.
  • @jessemills3845
    All depends on WHAT TIMELINE YOU ARE ON! The Future is not set, in most things!
  • @DavidB67192
    Wow! They actually used the Richter scale for something under 7.5 and the EMM scale for an earthquake over 7.5. that's impressive :)
  • @GarethmRoberts
    Should be inane curiosity not insane curiosity. Unless of course thinking an earthquake on the barely populated west coast caused 32 billion dollars in damage. That indeed is insane.
  • @robert-zj7ef
    My understanding is as the pacific plate slides under the NA PLATE, the NA PLATE IS dragged downard. That continues until the connection gives way. The NA PLATE pops upward. So how does this type op quake will cause areas to lower.