Estudo da actividade Vulcânica by Rodrigo Castelo https://padlet.com/162659/MONTEhELENA7a Monte Santa Helena(USA) en-us 2019-04-30 10:03:29 UTC 2026-01-19 06:59:48 UTC hello@padlet.com 162659 https://padlet.com/162659/MONTEhELENA7a/wish/355358195 Washington
Estados Unidos
46.195336, -122.177698
]]> 2019-04-30 10:10:02 UTC https://padlet.com/162659/MONTEhELENA7a/wish/355358195 https://www.google.com/maps/place/Monte+Santa+Helena/@46.1914146,-122.2655887,24128m/data=!3m1!1e3!4m5!3m4!1s0x54969956568a2691:0x69ddb4f4b6cf94c7!8m2!3d46.1914006!4d-122.1955509 162659 https://padlet.com/162659/MONTEhELENA7a/wish/355358852 2019-04-30 10:14:13 UTC https://padlet.com/162659/MONTEhELENA7a/wish/355358852 Cone Vulcânico- Elevado de base estreita 162659 https://padlet.com/162659/MONTEhELENA7a/wish/355360063 Actividade vulcânica- Explosiva
Viscosidade da lava- Elevado 
Teor em gases da lava- Elevado
Teor em água da lava- Baixos
Correntes de lava- Raro
Piroclastos- Bombas de cinza e formação de nuvens ardentes. ]]> 2019-04-30 10:20:21 UTC https://padlet.com/162659/MONTEhELENA7a/wish/355360063 https://www.google.com/search?q=Monte+santa+helena+usa&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj84KyVzffhAhVRx4UKHYnNAqYQ_AUIDigB&biw=1280&bih=913#imgrc=9Pj1aifAoXeGJM: 162659 https://padlet.com/162659/MONTEhELENA7a/wish/355361504 2019-04-30 10:27:51 UTC https://padlet.com/162659/MONTEhELENA7a/wish/355361504 Fumarolas 162659 https://padlet.com/162659/MONTEhELENA7a/wish/359823679 2019-05-14 10:15:29 UTC https://padlet.com/162659/MONTEhELENA7a/wish/359823679 162659 https://padlet.com/162659/MONTEhELENA7a/wish/359824873 2019-05-14 10:20:31 UTC https://padlet.com/162659/MONTEhELENA7a/wish/359824873