The Solid Earth - Chapter 5: Earthquake Waves Flashcards
The study of earthquake waves
Seismology
The instruments that record earthquake waves
seismographs
The records produced by seismographs
seismograms
Elastic energy radiating outward in all directions
Seismic waves
The waves that travel across the outer layer of the earth
surface waves
The waves that travel through earth’s interior
body waves
Two types of body waves
P - primary
S - secondary
P waves ______ and ____ rocks in the direction the wave is travelling
push (compress), pull (dilate)
S waves ____ the particles at right angle to their direction of travel
shake
A slinky exhibits the characteristics of a __ wave
P
Which waves arrive at the recording station first?
P waves
Seismic waves allow us to determine the location and _____ of the earthquake
magnitude