Download Where do 99% of all earthquakes occur? * What is the name of a

?
The difference in arrival times
between P-waves & S-waves
is called ........?........
* What is the name of a very
famous California fault?
Answer: 99% quakes are at plate boundaries (*San Andreas fault)
Answer: lag time is the difference between P-wave & S-wave arrival.
Each number up the Richter Scale
represents an earthquake that is ..?..
times stronger than the
number before!
?
* Which seismic wave cannot pass thru liquids ?
Answer: P-waves pass thru solids and liquids
(* S-waves pass only thru solids. They cannot pass thru liquids)
Answer: each step is 10 time stronger (*4 is 100 times stronger)
90W
?
What is the name of the seismic
wave that travels at 6.4 km/hr
and arrives first?
30S
Answer:
P-wave
?
0
.
#1
60W
Where is the
epicenter?
.
#2
.
#3
30S
30W
0
?
* Which recording station
is at 83W long 0 lat ?
Answer: epicenter is at 70W long 16S lat (* station #1 is at 83W 0)
#1
* With one recording station
epicenter location is ......?......
Which layer of Earth’s interior
is thought to be liquid?
Answer: S-wave
#2
?
Answer: outer core is liquid (S-waves don’t go thru it)
#3
.
#2
90W
?
0
How many recording
stations are required
to pinpoint the
epicenter location?
.
#3
30W
Answer: 3 stations to pinpoint epicenter (* somewhere on the circle)
?
What are the
names of the
numbered
layers of
Earth’s interior?
60W
#1
0
.
What is the name of the seismic
wave that travels at 3.2 km/hr
and arrives second?
?
Which seismic wave
can pass thru solids or liquids?
* A Richter value “4” quake is ...?... times
stronger than a Richter value “2” quake.
#4
?
Where do 99% of all
earthquakes occur?
Answer: #1crust (or lithosphere), #2 mantle, #3 outer core, #4 inner core