Earthquake Flashcards
(50 cards)
Earthquake is a ____ force
Endogenic
Earthquake is a _____ source to tell abt interiors
Indirect
Earthquake takes place in
Lithosphere
Lithosphere consists of
Crust + outer mantle
Outer mantle also called
Asthenosphere
Seismology
Seismograph
Isoseismic lines
Richter scale out of ?
Mercalli scale out of
Richter scale measures
Mercalli scale measures
Focus / hypocentre
Epicenter
____is perpendicular ____
Epi,hypo
3types of waves
P,S,L
1st wave to travel from focus or hypocenter
P wave
2nd wave to travel from focus or hypocenter
S
Surface wave also known as
L wave ( P+ S)
P wave can travel through
Solid > liq> gas ( max speed solid )
P wave also called
Primary wave
S wave also called
Secondary wave
P wave is ____ wave ( transversal or longitudinal)
Longitudinal
S wave is a ___ type of wave
Transverse