PPT-What is a volcano? DEFINITION -

A volcano is an opening in Earth that erupts gases ash and lava Volcanic mountains form when layers of lava ash and other material build up around these openings 3 Basic Volcano shapes Cinder Cone. Volcanic Eruptions. 1. Why Volcanoes Erupt:. The F of expanding gas builds and pushes magma through the vent. 2. Major Factors in Eruptions:. a. The amount of trapped gas. CO. 2. and Sulfur. b. Silica Content. Alaska, USA. Mollie Taylor and . Ilana. . Zyatitsky. Department of Geology, Colby College. Professor Robert Nelson – Jan Plan 2015. Geographic Setting. 60°29’N 152°44’W. 177 km SW of . Anchorage . By: Kadish Hagley and Cecil Brooks Jr.. Department of Geology, . Colby College. http://upload.wikimedia.org/wikipedia/commons/f/f6/Taal_Volcano_aerial_2013.jpg. Basic Facts and Location. Taal is on Luzon Island, . Ann Sparling White, MS. , LPC, NCC. annsparling@gmail.com. THE VOLCANO MODEL. AS AN ASSESSMENT TOOL. . Allows for quick and easy information gathering. . . Is non-intrusive. Works both individually and with a family or group. VOLCANOES.. What is a volcano?. A volcano is a mountain that opens . below . to a pool of molten rock . called a magma chamber below . the surface of the earth. When . the pressure . builds up, eruptions take place. . A volcano is a fault in earth’s crust that allows magma to escape.. We call the release of magma an eruption.. How does that work?. Magma is the layer of melted rock that . lies just below earth’s crust.. Eruption!. www.oxfordsparks.net/volcano. Volcanoes . often . show physical or chemical signals before an . eruption. These signals allow volcanologists to monitor active . volcanoes, and perhaps predict a future . Directions : Define the following terms.. 1. Magma chamber. 1. Magma collects in a pocket beneath a volcano. 2. pipe. 2. A long tube through which. magma moves from the chamber to the surface.. 3. vent. By Daily Mail Reporter. 3rd May 2011. For the first time in history scientists have descended 650ft into the magma chamber of a volcano.. These incredible images show one explorer gently lowering himself into the heart of the dormant . TITLE: AUTHORS (FIRST NAME, LAST NAME): Alexander Belousov 1, 3 , Marina Belousova 1, 3 , Akhmad Zaennudin 2 , Oktory Prambada 2 INSTITUTIONS (ALL): 1. Earth Observatory of Singapore, Singapore, S Puna Island of Hawaii07515375MilesLegendPlanning DistrictsCensus Defined PlacesMountain ViewFern ForestEden RocFern AcresHawaiian AcresOrchidlands EstatesKurtistownHawaiian Paradise ParkHawaiian Beach Active volcanos. Subduction zone volcano. Spreading volcanos. Atlantic rift near Iceland. Iceland on a spreading axis. Earthquakes. at volcanos. Earthquakes types at volcanos. Earthquake swarm at a volcano. Classification: . Series of overlapping shield and stratovolcanoes. Formation: . North-South trending active fault movement related to subduction of the Juan de Fuca and . Groda. plates beneath the North American Plate.. . Main Idea 1. : . Volcanoes look like mountains, but they form as a result of . repeated eruptions. of magma from underground.. Redoubt, AK. Active Volcano. http://www.youtube.com/watch?v=g1UWTwDwZp8.