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Photo glossary of volcano terms

Please click on the terms below to view the image and definition.

| Relationship among key terms | Other USGS volcano photo galleries |

aa

andesite

ash

basalt

block

bomb

caldera

cinder cone

dacite

debris avalanche

dike

dome

earthquake glossary

effusive eruption

eruption cloud

fault

fissure

fumarole

gas

geyser

hornito

hummock

kipuka

lahar

lapilli

lava

lava delta

lava flow

lava fountain

lava lake

lava tube

limu

littoral cone

maar

magma

mineral

mud volcano

obsidian

pahoehoe

Pele's hair

Pele's tears

phreatic eruption

pillow lava

plinian eruption

pit crater

pumice

pyroclastic flow

reticulite

rhyolite

rift zone

rock

scoria

shield volcano

spatter

spatter cone and rampart

spatter and cinder cone

stratovolcano

Strombolian eruption

tephra

tree mold

tsunami

tumulus

VEI

vent

volcanic dome

volcano

Vulcanian eruption

Relationship among key terms

Type of Volcano or vent

Eruption Types

Eruptive Products

Other USGS volcano photo galleries

USGS earthquake image glossary

 

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U.S. Department of the Interior, U.S. Geological Survey, Menlo Park, California, USA
URL http://volcanoes.usgs.gov/Products/Pglossary/pglossary.html
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Last modification: Thursday, 10-Nov-2005 13:36:29 EST (SRB)