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first place the rock breaks below the surface
Energy spread out from the focus that moves the ground
an instrument that measures the vibrations of an earthquake
The point on the surface of the Earth, directly above the focus of the earthquake
A device that measures extremely small changes in the angle of the ground shape
use to measure the strength of an earthquake
an opening in the earths crust where
solid and molten rock, ash and gases escape
molten rock inside of a volcano
fine burnt particles from a volcano eruption
occur when volcanic ash mines with heavy rain
The mechanical and chemical process that breaks down rock
The products of weathering are transported from one place to another
The process of these materials being laid down or deposited by wind water, ice
when rock is broken down by physical force
when water and oxygen react with the minerals in rocks to produce new minerals, the breakdown of rock
weathering away of rock by living things
The load of silt sand, mud, and gravel carried by river as a flow
The process of sediments being disposited, usually at the bottom of oceans, lakes and rivers
landform that are created by running water