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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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Author Archives: Chris Rowan
Marie Tharp’s Adventures in Mapping the Seafloor, In Her Own Words
Establishing the rift valley and the mid-ocean ridge that went all the way around the world for 40,000 miles…You can’t find anything bigger than that, at least on this planet. Lots of cool science history in this first-person account, but also … Continue reading
Two reflections on the largest earthquake yet recorded, 60 years later.
It has been 60 years since a magnitude 9.5 earthquake struck the Chilean coast near Valdivia. The stats for this earthquake remain pretty mind-blowing even today. It is still the largest earthquake ever recorded – over 20% of the Earth’s seismic energy … Continue reading
At subduction zones, feeding a complicated plate means you get complicated earthquake behaviour out
What drives the occurrence of slow-slip events on subduction zones: “earthquakes”: that involve strain release over days and weeks rather than seconds? A new paper…doesn’t really answer that question, but it shows why it’s so complicated to answer. The study uses … Continue reading
Remagnetisation spoils the paleomagnetic party again
Did the Earth have a magnetic field before 3.5 billion years ago? Previous paleomagnetic studies of the world’s oldest mineral grains – the Jack Hills zircons, which have maximum ages of 4.4 billion years – claimed that tiny inclusions of … Continue reading
Nice plan for content warnings on Mastodon and the Fediverse. Now you need a Mastodon/Fediverse button on this blog.