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EarthquakesEarthquakes
Aubrey Meagher
Brooklyn JerzewskiMrs.Smith 5th Hour
April 8, 2011
Aubrey Meagher
Brooklyn JerzewskiMrs.Smith 5th Hour
April 8, 2011
Basic Earthquake Information
Basic Earthquake Information
An earthquake is the shaking that results from the movement of rock beneath earth’s surface.
Earthquakes are measured by magnitude
Magnitude means the strength based on seismic waves.
An earthquake is the shaking that results from the movement of rock beneath earth’s surface.
Earthquakes are measured by magnitude
Magnitude means the strength based on seismic waves.
Damage caused by earthquakes
Damage caused by earthquakes Earthquakes can cause
landslides, tsunamis, and can knock down buildings.
Earthquakes can cause landslides, tsunamis, and can knock down buildings.
WavesWaves
Earthquake waves are called seismic waves.
Two types of seismic waves are surface waves and body waves.
Two types of body waves are primary waves ( P- waves) and secondary waves( S- waves).
Earthquake waves are called seismic waves.
Two types of seismic waves are surface waves and body waves.
Two types of body waves are primary waves ( P- waves) and secondary waves( S- waves).
Body Waves Body Waves
P- waves travel at about 1 to 5 miles per second depending on the material it’s traveling through.
S- waves come after P- waves. P- waves move faster than S- waves.
P- waves travel at about 1 to 5 miles per second depending on the material it’s traveling through.
S- waves come after P- waves. P- waves move faster than S- waves.
Elastic Rebound Elastic Rebound
An elastic rebound is an explanation for how energy is spread during earthquakes.
An elastic rebound is an explanation for how energy is spread during earthquakes.
The Tohoku EarthquakeThe Tohoku Earthquake
The earthquake occurred Friday March 11, 2011 at 2:46 pm at epicenter time.
The quake occurred at 38.322 degrees north, 142.369 degrees east.
The magnitude of this quake was 9.0, near the northeast coast of Honshu, Japan.
The earthquake occurred Friday March 11, 2011 at 2:46 pm at epicenter time.
The quake occurred at 38.322 degrees north, 142.369 degrees east.
The magnitude of this quake was 9.0, near the northeast coast of Honshu, Japan.
Effects on the Environment Effects on the Environment
Tsunamis Landslides Buildings collapse The crust of the Earth can separate
Tsunamis Landslides Buildings collapse The crust of the Earth can separate
Effects on the people of Japan
Effects on the people of Japan
Destroys homes Destroys work places Injures/kills people People missing
Destroys homes Destroys work places Injures/kills people People missing
Effects on the economy of Japan
Effects on the economy of Japan
Sony’s six factories in the region were affected by the earthquake
No idea when Sony will re-open Assembly plants for Toyota, Honda, Nissan were closed
The Japanese economy threatens to suffer another bout of recession
Nuclear plants have problems
Sony’s six factories in the region were affected by the earthquake
No idea when Sony will re-open Assembly plants for Toyota, Honda, Nissan were closed
The Japanese economy threatens to suffer another bout of recession
Nuclear plants have problems
GPS SensorsGPS Sensors
One interesting fact about the earthquake in Japan is that it moved several GPS sensors.
This will require all GPS sensors to be reset
Certain things wouldn’t be there because of elastic rebound
One interesting fact about the earthquake in Japan is that it moved several GPS sensors.
This will require all GPS sensors to be reset
Certain things wouldn’t be there because of elastic rebound
TsunamisTsunamis
An unusually large sea wave produced by a seaquake or undersea volcanic eruption
Ranges from 3-1,640 feet At the speed of a commercial jet plane
An unusually large sea wave produced by a seaquake or undersea volcanic eruption
Ranges from 3-1,640 feet At the speed of a commercial jet plane