Earthquake measurements Flashcards
1
Q
Seismograph
A
an instrument that records vibrations in the ground and determines the location and strength of an earthquake
2
Q
seismogram
A
a tracing of earthquake motion that is created by a seismograph
3
Q
epicenter
A
the point on earths surface directly above an earthquakes starting point or focus
4
Q
focus
A
the point along a fault at which the first motion of an earthquake occurs
5
Q
Richter Magnitude Scale
A
Something that was commonly used to measure the strength of earthquakes
6
Q
Modified Mercalli Intensity, Scale
A
Numerical scale that uses roman numerals from 1 to x11 to describe increasing earthquake intensity levels.
