5-2 Earthquake Measurement Flashcards
1
Q
an instrument that records vibrations in the ground and determines the location and strength of an earthquake
A
seismograph
2
Q
a tracing of earthquake motion that is created by a seismograph
A
seismogram
3
Q
the point on Earth’s surface directly above an earthquake’s starting point, or focus
A
epicenter
4
Q
the point along a fault at which the first motion of an earthquake occurs
A
focus
5
Q
a simple method to determine an earthquake’s epicenter
A
S-P time method
6
Q
a scale, commonly called Richter scale, that measures the strength of earthquakes
A
Richter magnitude scale
7
Q
a measure of degree to which an earthquake is felt by people and the amount of damage caused by an earthquake
A
intensity
