PPT-How many active volcanoes are in the world?

About 1500 Bellringer Begin volcano video and questions Objective Pick one way to trigger a tsunami 1 Include one real life example 1 Describe how a tsunami wave is different from a wind wave 2. Frequency and Quantity. There are ~ 550 historically active volcanoes. About 60 erupt annually. The majority are 1) at the edge of continents and 2) underwater. Dormant volcanic cone in Japan. What causes volcanoes?. Basaltic Lava – low silica content, low viscosity, low gas content. Hot spots – magma moves up from lower mantle and plates move over it . Ex. Hawaii. (note: see video on favorites). Shield Volcanoes. Martin . Ménégoz. , Francisco . Doblas. -Reyes, . Virginie. . Guemas. , . Asif. Muhammad. EC-Earth Meeting, Reading, May 2015. Reading, May 2015. 2. Introduction. Major eruptions bring large amounts (Tg) of particles in the stratosphere.. The Earths crust . The earths crust is in constant motion.. Volcanoes and earthquakes arise as sections of crust push . toghether. or pulled apart. Volcanoes and earthquakes are more common in certain parts of the world. By monitoring ground vibrations scientists can sometimes. Target #16- I can summarize the conditions needed for magma to form. Despite the high temperature in the mantle, most of the layer remains solid due to extreme pressure. Magma: . liquid rock produced under Earth’s surface. . T. his . is a map of Pompeii's famous volcano called . Mount . Vesuvius. . How many volcanoes are there in the . world?. There are around 1510 'active' volcanoes in the world. We currently know of 80 or more which are under the oceans. . By Robbie Barker, Maximilian Bryson, and Brendan . P. etrili. What is a volcano. A volcano is an opening in the Earth’s surface through which magma rises.. Formation of volcanoes. 1.Most volcanoes occur at colliding boundaries.. Warm Up. Why do you think magma rises? Consider an ice cube floating at the top of a glass of water. Objective:. SWBAT. Describe at least two of the three types of volcanoes and how they form. Agenda:. Do Now: How many natural disasters can you name. ?. HW: Article . due Wednesday. Volcanoes are responsible for:. producing . most of the water . on . Earth. .. modifying . the . Earth’s atmosphere.. Volcanism is mostly focused at plate margins. Pacific Ring of Fire. This map shows the margins of the Pacific tectonic plate and surrounding region. The red dots show the location of active volcanism. Notice how the majority of the volcanism is focused in lines along the plate boundaries? For this region is the area known as the “Pacific Ring of Fire”.. Where are the major zones of volcanism?. What are the parts of a volcano?. How do volcanic landforms differ?. Copyright © McGraw-Hill Education. Volcanoes. Review. convergent. New. volcanism. hot spot. Romans believed in Vulcan, their god of fire.. They thought that Vulcan worked at a hot forge, striking sparks as he made swords and armor for the other gods.. Hawaiians told legends of the wanderings of Pele, their goddess of fire.. La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . What are volcanoes?. Does anyone know what a volcano is?. A volcano . is a landform (usually a mountain) where . liquid rock . erupts through the surface of the planet. .. The name "volcano" has its origin from the name of Vulcan, a god of fire in Roman mythology..