Earthquake Vocabulary
What is a fault?
Volcanoes not associated with plate boundaries
What are hotspots?
True or False: Earthquakes result from the buildup and release of stress along active plate boundaries.
What is TRUE?
The amount of seismic waves
What is three?
This percentage of volcanic activity occurs along mid-ocean ridges
What is 60%?
The location inside Earth where it earthquake originates
What is the focus?
A liquid's resistance to flow
What is viscosity?
Shallow earthquakes are common where plates separate here
What is a divergent plate boundary?
The fastest and first waves you feel in an earthquake
What are Primary Waves or P-waves?
True or False: The youngest volcano will be farthest away from the hotpost
What is False?
The location on Earth's surface directly above its focus
What is the epicenter?
Molten rock on Earth's surface
What is lava?
The process when pressure is applied to a rock and the rock change shape
What is rock deformation?
Seismic Waves that travel on Earth's surface
What are surface waves?
The location where most Earthquakes and Volcanoes occur
What is the Ring of Fire?
Scientists that study earthquakes
What is a seismologist?
Tiny particles of pulverized volcanic rock and glass
What is volcanic ash?
When two rocks slide horizontally past each other in opposite directions
What is a strike slip?
What are Secondary or S-Waves?
A volcano that forms when a summit collapses
Energy that travels as vibrations on and in Earth
What are seismic waves?
A vent in Earth's crust through which melted or molten rock flows
What is a volcano?
When two rocks are pushed toward one another
What is a reverse fault?
The earthquake scale that evaluates damage from shaking
What is the Modified Mercalli Scale?
The main chemical compound in magma
What is Silica?