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Ch 9 & 10 Volcanoes and Earthquakes

Across
Dense super heated clouds of material that travels downhill from a volcanic eruptions
Large ocean waves caused by earthquakes and volcanoes
Secondary waves where rock material moves at right angles to the direction the wave travels
The point on the Earth's surface where the earthquake originates
The point or location where the rock and material present first movement during an earthquake
Basaltic lava which presents higher temperatures and forms smooth rope like surfaces
Magma that reaches the Earth's surface
Smaller quakes which originate from settling from the prior major quake
Solid mater of volcanic material ejected due to build-up of gas; usually in explosive events
Areas where mantle material rise and melt through areas on the Earth's crust
A break in the lithosphere where movement occurs
Underwater lava flows
Energy released from earthquakes at the focus and travel throughout the Earth
Areas along a fault line that has not moved based on historical data
Ground shaking that causes the earth to liquefy
Primary waves (squeeze and stretch waves) that travel through any (rock, magma, ocean water even air)
Down
Resistance to flowing
Volcanoes created from explosive event over time. Pyroclastic material aggregates and piles up
Quantity amount describing the strength of an earthquake
Volcano from where lava flows build up layer on layer
An opening in the Earth's crust where molten rock, gas and ash escape
Large crater-shaped basin formed after the cone of the volcano collapses
Cracks in the Earth's surfaces where basaltic lava pours out across the land
A instrument used for recording earthquakes waves
Simplest from a a volcano
Shaking of the Earth's crust
Hot ash that mixes with mud and snow to produce fast-moving mud flows
The record sheet used for recording earthquakes and preserving historical data
Cooler, slower moving basaltic lava with jagged, rough edges