What is A tsunami
A series of long waes caused by a sudden displacement of the ocean.
What can cause an earthquake?
Sudden movement of tectonic plates along a fault line.
What is a volcano?
An opening in earths crust that allows ash, lava and gasses to escape.
What are the 3 main layers of the earth?
Crust, mantle, and core.
What are the different types of plate boundaries?
Divergent,convergent, and transform boundaries
Earthquakes that occurred when tectonic plates meet on one slides beneath the other.
How do earthquakes cause damage?
Landslides ,fires,tsunamis, and structural damage
How do volcanoes form?
When plates Begin to move toward each other at tectonic plate boundarie.
What is the most innermost layer of the earth?
Inner core
What is the driving force behind plate movement?
Convection within earths mantles
How can you stay safe during a tsunami?
Evacuate low lying areas.
What is the differ between an aftershock and a foreshock?
A foreshock is a smaller earthquake that happens before a larger earthquake and a after shock is a smaller earthquake that happens after a larger earthquake.
What are the 7 types of volcanoes?
Cinder cones, shield volcanoes, lava domes, calderas, fissur volcanoes, super volcanoes, and mud volcanoes.
Is the earths mantle solid or liquid?
Solid
What is subduction?
When one plate dives beneath another
How do scientists detect tsunamis?
The national weather service operates tsunami weather centers that issue messages to the public when there is a potential for a tsunami.
Where do most earthquake occur?
“The ring of fire”.
How often do volcanoes erupt?
Some erupt constantly while other remain at rest.
How do scientists use sciesmic waves to study earths interior?
Seismology
How do plate movement create mountains?
When continental plates collide at convergent boundaries the crust is pushed upward forming mountain ranges.
What was the highest tsunami that earthquake has impacted.
1,720ft or 524 meters
How long do earthquakes last?
Typically last seconds, minutes, or even hours.
How do volcanoes affect the environmen?
Large amounts of gases and ash can block sunlight.
What layer of earth is responsible for generating the magnetic field?
The outer core
What landforms are created at divergant plate
Rift valleys, and mid ocean ridges.