Earthquakes
what is it called when the ground starts shaking
An Earthquake
What are three types of volcanoes
shield volcano, cinder cone volcano, and composite cone volcano
What is a fault line?
a line on a rock surface or the ground that traces a geological fault.
What is the epicenter
The point right above the focus on the surface
what is viscosity?
The measure of a materials resistance to flow
What is one fault line you can name?
(Any true fault line)
what is it called when plates pull away from eachother
Divergent
what are two types of lava?
Pahoehoe, and Aa
What will occur when a fault line moves?
An earthquake
what is a fault?
Fracture in the earth where there is movement
How are volcanoes formed
when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits.
how are fault lines formed?
A new fault forms when the stress on the rock is great enough to cause a fracture, and one wall in the fracture moves relative to the other.
what is a seismography
an instrument that measures and records details of earthquakes, such as force and duration.
The is the definition of pryroclastic
what are the three types of faults?
strike-slip, normal and thrust (reverse) faults