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The Authors
For lot's more videos on soil moisture topics, see Drs Selker and Or's text-book support videos https://www.youtube.com/channel/UCoMb5YOZuaGtn8pZyQMSLuQ/playlists
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Tag Archives: Cascadia
Earthquake warning systems are hard, but not having one is worse.
The premise of earthquake early warning systems is simple. An earthquake produces several different kinds of seismic waves that race away from the rupture point. Because they are different kinds of vibrations, they travel at different speeds; and the farther … Continue reading
317 years since the last rupture of the Cascadia megathrust
At around 9pm on the 26th January 1700, the Cascadia subduction zone – a shallowly dipping thrust fault that runs more than 1000 km north from Cape Mendocino in Northern California to the vicinity of Vancouver Island, ruptured in an estimated magnitude 9 earthquake. Continue reading
Sumatra +10: contemplating the power of tsunami
Whilst touring Port Lockroy in Antarctica last Christmas Day, one of the exhibits describing the scientific research undertaken there had this interesting footnote: This is pretty mind-blowing, if you think about it: an isolated Antarctic outpost at around 65 degrees … Continue reading
The slowly building threat of Cascadia – and the slow realisation it was there (book review)
If you asked the average person on the street which part of the USA was most threatened by earthquakes, most of them would probably say California. The San Andreas Fault is so embedded into the popular consciousness that it is … Continue reading
Reverberations of the Honshu tsunami
On Friday 11 March 2011, when the fault ruptured off of the Japanese coast in a M9.0 earthquake, it caused a sudden vertical movement of the seafloor, displacing the water above it and transferring energy to the ocean. As the … Continue reading
Nice plan for content warnings on Mastodon and the Fediverse. Now you need a Mastodon/Fediverse button on this blog.