The Impact Crater which Triggered the Ice Age Eltanin Crater

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The trigger of the planet's most recent ice age was a massive impact event. Approximately 2.5 million years ago, a massive asteroid slammed into the ocean off the western coastline of Chile, forming a 35 kilometer or 22 mile wide crater. Its formation generated towering megatsunamis several hundred meters tall which would go on to effect areas ranging from Mexico to Australia. If not for this ancient event, the ice age may have never happened. This video will discuss this massive impact crater and how it formed. • Thumbnail Photo Credit: Google Earth, Data SIO, NOAA, U.S. Navy, NGA, GEBCO, Data LDEO-Columbia, NSF, NOAA • If you would like to support this channel, consider becoming a patron at / 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. • This channel's merch store is also on etsy at http://geologyhub.etsy.com. • This video is protected under fair use . If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at [email protected] and I will make the necessary changes. • Graphics of eruption dates are courtesy of the Global Volcanism Program, Smithsonian Institute. https://volcano.si.edu/ • Google Earth imagery used in this video: ©Google Data Providers • 0:00 Megalodon Shark • 0:28 A Minor Mass Extinction • 0:50 Eltanin Impact Crater • 1:42 Asteroid Origin • 2:26 Asteroid Impact • 3:37 Temperature Feedback Loop • Citations: • [1] G. Collins others, A numerical assessment of simple airblast models of impact... , Meteoritics Planetary Science, https://doi.org/10.1111/maps.12873 (2017), CC BY 4.0 • Creative Commons Licenses: • CC BY 4.0: https://creativecommons.org/licenses/...

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