2. The earthquake was so powerful
because it was a megathrust.
Megathrust earthquakes occur at
subduction zones at convergent
boundaries
The plates build up and become
locked together.
The release of this strain is called
a mega thrust earthquake
•KILLED MORE THAN 2,000 PEOPLE
•CAUSED MORE THAN $550 MILLION
IN DAMAGE
•LEFT 2,000,000 HOMELESS
•MAGNITUDE OF 9.5 •MANY EARTHQUAKES OF
•KNOWN AS THE GREATEST
EARTHQUAKE OF ALL TIME
MAGNITUDE 9.0 OR HIGHER
ARE MEGATHRUST.
3. The movement of the
Pacific plate causes the
compression and
warping of the Alaska
crust.
After hundreds of years
this tension is relieved
by the sudden
movement of a portion
of coastal Alaska as it
Had a magnitude of 9.2 moves back over the
Was a megathrust subducting Pacific plate
earthquake.
About $350 million in
damages.
The seismic waves
traveled around the
earth for days.
4. The earthquake was caused by the
release of tension from that
developed from the Indian plate
subducting the Burma plate.
The earthquake was the longest
duration ever observed, going
from 8-10 minutes.
A 9.1 Magnitude, undersea
megathrust earthquake
Killed about 230,000 people
Caused tsunamis with waves up
to 30 meters high.
Left 1.7 million homeless.
In 2005 another earthquake
struck the region of magnitude
8.7
5. The structures of the
buildings were unable
to withstand
earthquakes
The earthquake caused
massive landslides
Killed more than Land 500 miles wide
830,000 people was wiped out
A 8.0 magnitude
earthquake.
6. The earthquake was caused by
strike-slip motion between the
Caribbean and North
American plate.
Haiti is the poorest country in
the western hemisphere,
having structures unable to
withstand earthquakes
Earthquake was 7.0
magnitude
316,000 people were
killed
1.3 million people were
displaced.
7. The earthquake took place in
many resident’s sleep, making
The earthquake had a people scramble.
magnitude of 7.8. The 7.1 aftershock left many in
Estimated 240,000 killed. the rubble.
Residents did not pay to
The earthquake took suspicious signs which include
about 14 to 16 seconds, in (1 thousand chicken refusing
many people’s sleep. to eat, gas beginning to spout
In the afternoon, an out of the water well and
reportedly, fireballs and loud
aftershock of 7.1 occurred. noises.
8. Tsunamis destroyed many of
Japan’s major ports.
Caused $235 billion in Dams ruptured, causing
damages flooding.
9.0 magnitude. A 220,00 barrel oil refinery
Tsunamis with waves up to was set on fire.
40.5 meters. The Fukushima nuclear power
Was a megathrust earthquake plant went through a
hydrogen explosion.
9. Overconfidence in the
in the ability in the to
withstand earthquake
backfired.
Earthquake had a magnitude
of 7.2. Earthquake happened
5,200 deaths in a populated city
Caused $100 billion in damage
150,000 buildings ruined Unprepared
Struck the big city of Kobe
10. 8.0 magnitude
Cause $75 billion
Killed 70,000 people