Vocabulary
The place on the earth's surface where an Earthquake begins.
What is an epicenter?
When two pieces of rocks/plates pulls apart, this is what type of stress?
What is tension?
The 3 types of Seismic waves are?
What is Primary (P) wave, Secondary (S) wave, Surface Wave?
What is Shield Volcano?
Allows magma to escape to the surface.
What is vent?
The place beneath the surface where an earthquake begins.
What is a focus?
When two pieces of rocks/plates push together, this stress is called what?
What is compression?
What is Surface wave?
Volcano formed from just explosive eruptions.
What is Cinder Cone Volcano?
What is magma chamber?
_________ is a liquids resistance to flow
What is Viscosity?
When compression occurs, the hanging wall is pushed up the foot wall, this is what type of fault?
The first wave seismologists would see on a seismograph would be?
Primary (P) wave
Volcano responsible for the Mt. Saint Helens Eruption
What is Composite Volcano?
The wall/plate/piece of rock that hangs (or rests) on another piece of rock.
What is a hanging wall?
When tension occurs, the hanging wall goes down the foot wall, this is what type of fault?
What is Normal Fault?
Describe the movement of a surface wave?
What are hot spots?
The boundaries responsible for the formation of most volcanoes.
What are Convergent and Divergent?
When superheated magma from the core makes its way through the mantle and bursts through the crust. This is called a?
What is a Hot Spot Volcano?
Two plates are sliding past one another. What type of stress and fault would this cause?
What is Shearing and Strike-slip fault?
The name of the equipment that detects and records earthquakes?
What is Seismogram?
Molten rock that is trapped underground.
What is magma?
The reason volcanoes form at convergent boundaries.
What is Subduction zones?