Earth's Largest Volcano Beneath The Pacific Ocean
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- čas přidán 15. 01. 2024
- #tamumassif #volcanology #geology #earthscience #earthsciences #geography #oceanic #ocean #volcanoes #volcanoeruption #geoscience #ocean #artic
Embark on a captivating journey beneath the Pacific Ocean as we explore the majestic Tamu Massif, the largest known single volcano on Earth. In this video, we dive deep into the enigmatic world of this colossal underwater marvel. Situated in the vast blue waters, east of Japan, Tamu Massif's sheer size and unique geological features have intrigued scientists and oceanographers worldwide.
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OzGeology is an Australian-based CZcams channel that specializes in creating high-quality documentaries on Earth sciences and natural disasters. The content is designed to be easy to digest and covers a wide range of topics, not only focusing on geology but occasionally exploring other scientific areas as well
Best channel on CZcams by far. Top job buddy.
Wow, thanks!
Wow pretty huge! Thanks for another great video Oz Happy Aus day to all 😁
Thanks for adding this! Of course, all these years we though Mauna Loa was the biggest but that is what scientific discovery is all about, new information! Who knows what else we will find in the ocean depths. Another species thought extinct? Yet another tectonic plate like Zealandia?
Yeah the ocean is huge and vast its shocking how much has yet to be studied. Thus far we have mapped only around 20% of the ocean floor as of the end of 2023 the "seafloor terrain" you see on google maps and the likes is primarily inferred based on variations in the local mean sea level in a given area suggesting the mean elevation of the underlying topography. This isn't very accurate so even fairly large structures can hide from this methodology. For example just last year it was a pair of small tsunamis and a pumice raft that revealed a previously unknown submarine volcano off the coast of Japan in one of those subduction zones.
I should note that newer research has challenged the association of continental crust with specific plates instead it appears plates are more of oceanic convective surfaces which extend much deeper into the mantle. And while continents as the equivalent of gigantic silicate "glaciers" floating within the basaltic mantle can effect their evolution the two don't necessarily overlap as outside of the rigid cratonic cores which do deform as rigid bodies continental crust tends to sheer along translational faults.
Fascinating stuff
Scary facts, everyone talks about Yellowstone but if this goes off its goodbye to many!
The subsequent series of tsunamis that would cleanse the earth would be indescribable!!
Thanks
Thankyou for sharing this one
Is the area completely cold?
I find myself wondering if there are hot springs etc that give rise to new extremophile species.
Love your work can you do one on the Hummock in Bundaberg Queensland
G'day ozgeo, would you take a look at formations like chambers pillar ? Are there chevrons nearby? If they are from gradual erosion why do the taller ones like in south Africa have soil on top ECT.
How does a single volcano add 20 kilometers to the moho depth?
It is because cold basalt is heavier and more dense than the ambient mantle below. The mass of basalt that makes up the big island of Hawaii has already pushed the preexisting underlying crust and thus everything below including the moho boundary down by about 5 miles or 8 kilometers(Edit though given that its more than 5 miles it actually appears to be about 9 kilometers but that doesn't have as nice translation between the units which the US insists on using) and its still actively adding material and getting pushed up by the underlying plume. The effect is more pronounced for older islands of the Hawaiian Emperor seamount chain and is one of the main factors which causes older basaltic islands to sink below the waves once the magmatic heat source which fed them moves away or fades away.
@@Dragrath1 Forget glass, rock is a liquid...
@@JynxSp0ck It does start to flow yeah the phases become much less distinct when you add higher pressure and or temperatures. Though they still have a crystalline structure and thus are considered "solids' they can and do flow really just about everything flows to some degree its just a matter of timescale.
If memory serves there is apparently a waterfall in the Himalayas which is eroding granitic rock so quickly that some of this flowing gooey yet solid rock is accessible on the surface not having time to revert to the more familiar cold low pressure rocks. Too hot to safely touch though and you would have to brave the waterfalls most intense erosion zone
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aph oahspe