Vocab
Define Tsunami
Seismic sea waves triggered by underwater landslides or earthquakes
Most earthquakes are caused by the rapid release of _________ energy.
What is elastic?
how can you make a building earthquake-proof?
Use criss cross bars, strong foundations, the lower the better, building must be able to sway, use wood not bricks and mortar, etc
Define Seismic gap
An area along a fault where there has not been any earthquake activity for a long period of time.
What cannot be caused by an earthquake?
Fire, landslide, flashflood, or tsunami
What is flashflood?
what happens to the soil/ground in liquefaction?
the ground becomes saturated in water and unable to support buildings, it becomes a liquid.
Describe the Lithosphere
Outermost layer, it is cool and ridged
What are the 3 major types of waves?
What are p-waves, s-waves, and surface waves?
The continental crust is made up of?
What is granitic rocks?
Earth's CHEMICAL layers
What is crust, mantle, and core?
Define aftershock
Movements that follow a major earthquake often produce smaller earthquakes
Where is the safest place in class during an earthquake?
What is under the desk?
Name one place in the US that has a lot of earthquakes
What is California?
What is the difference between epicenter and focus?
Focus is where it starts under the surface, the epicenter is directly above on earth's surface.
The place in the South Pacific where a lot of earthquakes/ volcanic activity/ tsunamis happen
What is the Ring of Fire?
(Circum-pacific belt)
The material Earth's core is made up of?
What is iron-nickel alloy?
Earth's PHYSICAL layers?
What is Lithosphere, Asthenosphere, Outer core, Inner core?