Geology

lava curtain or fire curtain type of volcano

the largest layer of the earth structure

underwater mountain ranges

what type of volcano is formed by very fluid lava building up

famous earthquake magnitude scale

the making of new soil through natural acids

this layer of the earth has 2 sections: one solid another liquid

as rock goes deeper, its temperature __?_

depression at top of volcano

little stones of tephra

Paricutin was this type of volcano

volcano formed by layers of tephra and lava

Hawaiian islands and large fluid lava build up type of volcano

underground earthquake point

Mt. St. Helens type of volcanic eruption

the rate of an earthquake's strength

boundary between the crust and mantle

a volcano which has been active in recorded history, but has not recently erupted

thinnest earth layer

ground level of location of earthquake

a recently erupted volcano

any trembling or shaking of the earth's crust

volcano not erupted in recorded history

magma which has reached the surface

large waves produced by earthquakes

where trapped gases break through the earth's crust

melted rock

along the edge of the Pacific Ocean where volcanoes are numerous

a break at boundary between two moving masses of rock

middle layer of the earth

the study of earthquakes

smaller fragments of molten rock that solidify