Parts of a Volcano

A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. (https://en.wikipedia.org/wiki/Volcano)

from http://www.thinkstations.com/homework-help/geography/volcanoes-violent-outbursts.html

Crater – mouth of a volcano that surrounds the vent. It is also  a roughly circular depression in the ground caused by volcanic activity.

Vent – An opening in the volcano from where the lava comes out.

(Eh ano kaibahan ng Crater sa Vent?)

Ans: ang crater, rough circular  depression na nabubuo sa ibabaw ng isang vent dahil sa nag-ipong lava samantalang ang vents, pwedeng crack sa lupa basta may lumalabas na volcanic materials. So, and crater, may vent, pero ang vent hindi kailangan ng crater.. 🙂

Lava – molten rock which erupts from a volcano (tunaw na bato sa labas ng bulkan)

Magma – hot fluid or semifluid material below or within the earth’s crust from which lava and other igneous rock is formed by cooling. (tunaw na bato pero nasa ilalim pa ng lupa)

Summit – the highest point of the volcano

Ash – small parts of lava or rocks which are shot in the air by explosion.

Ash Cloud – a cloud of ash formed by volcanic explosions

*Pyroclastic Materials – another name for a cloud of ash, lava fragments carried through the air, and vapor (basta mga bagay na binuga ng bulkan maliban sa dragon o laway ng teacher mong terror na mukha ring dragon)

*Pyroclastic Flow – contain a high-density mix of hot lava blocks, pumice, ash and volcanic gas. They move at very high speed down volcanic slopes, typically following valleys. (Imagine mo yung mga iniluwa ng bulkan paitaas pagkasabog nya… dahil gawa sa abo, bato at kung anu-ano pa, eh mabilis na bubulusok paibaba, winawasak lahat ng madadaanan nito… (parang yung kaklase mong babae na lahat lahat kaung magkakatropa eh naging GF at pareparehong iniwang luhaan… huhuhu))

(FOR PYROCLASTIC FLOW ANIMATION, VISIT https://volcanoes.usgs.gov/vhp/pyroclastic_flows.html)

Sill – a flat piece of rock which forms by the hardening of magma in a crack in a volcano

Conduit – the passage in the volcano through which magma travels up

Throat – Conduit’s part that ejects lava and volcanic ash.

Parasitic cone – A parasitic cone (also adventive cone or satellitecone) is the cone-shaped accumulation of volcanic material not part of the central vent of a volcano. It forms from eruptions from fractures on the flank of the volcano.

Volcanic Bombs – A volcanic bomb is a mass of molten rock (tephra) larger than 64 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption. They cool into solid fragments before they reach the ground (Imagine yung Chaos Meteor ni Invoker… galing sa bulkan pero may maliliit at may malalaki, baka mas malaki pa sa bahay nyo)