Channel: StarTalk

Category: Science & Technology

Tags: startalkneil tysonscience podcastastrophysicsastronomy podcastvolcanoescryospherewinterniel degrasse tysonastronomyspacespace podcastunderwater volcanoesneil degrasse tysonsciencepodcastphysicsstartalk radiostar talknatalie starkey

Description: To make a donation to the tsunami relief efforts in Tonga, please visit unicef.org.au/appeals/tonga-recovery-appeal What is up with underwater volcanoes? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice explore volcano eruptions with cosmochemist Natalie Starkey. What’s the difference between an underwater volcano and an above-water one? Natalie explains how this eruption in Tonga was different. We explore how islands like Hawaii form in the ocean and how tsunamis work. What’s the difference between an earthquake tsunami and a volcano tsunami? Also, learn about volcanoes and tsunamis in space… Get the NEW Cosmic Queries book (5/5 ⭐s on Amazon!): amzn.to/3dYIEQF Get Dr. Natalie Starkey's book 'Fire and Ice': amzn.to/3KJUzkd Support us on Patreon: patreon.com/startalkradio FOLLOW or SUBSCRIBE to StarTalk: Twitter: twitter.com/startalkradio Facebook: facebook.com/StarTalk Instagram: instagram.com/startalk About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #NeildeGrasseTyson 0:00 - Introduction 0:50 - The Tonga Volcano Eruption 1:56 - Are Underwater Volcanos Common? 2:56 - What is a Phreatomagmatic Eruption? 4:07 - What Is The Result of an Underwater Pressure Wave? 6:06 - How Big Was The Tsunami That Resulted From The Tonga Volcano Eruption? 7:56 - Are Volcanic Tsunamis Less Dangerous Than Earthquake Tsunamis? 8:52 - Are Earth Volcanos as Interesting as Space Volcanos? 9:53 - Dr. Natalie Starkey's Work With Active Volcanos 11:10 - Cold Volcanos? 12:12 - What Causes Eruptions of Ice Volcanos? 13:20 - Closing Notes