Study sets, textbooks, questions
Upgrade to remove ads
Earthquakes and Volcanoes
Terms in this set (18)
A natural event such as a flood, earthquake, or hurricane that causes great damage or loss of life.
An area with significant volcanic activity.
An instrument that measures and records details of earthquakes, such as force and duration.
The first strong wave during an earthquake; also known as the primary wave.
The second strong wave during an earthquake; also known as the secondary wave.
A seismic wave that travels across the surface of the Earth during an earthquake; of the three types studied during this unit, this type usually does the most damage.
An extended break in a body of rock.
The thickness of something.
The severity of earthquake shaking as assessed using the Modified Mercalli Intensity Scale.
A quantitative measure of the size of the earthquake at its source as measured on the Richter magnitude scale.
The point on the Earth's surface vertically above the focus of an earthquake.
The point of origin of an earthquake.
A map that uses contour lines (also known as isolines) to show the elevation in an area.
A dense, destructive mass of very hot ash, lava fragments, and gases ejected
A method for determining the location of an earthquake's epicenter by using the seismograph data from multiple locations.
A record of earthquake data produced by a seismograph.
A graph of arrival times, commonly p or s waves, recorded at different points reflecting their distance from the focus of an earthquake.
The lines on a topographic map that show points of equal elevation (also known as contour lines)
Other sets by this creator
Earth's Changing Landscape