Vocabulary
Volcanoes
Earthquakes
Mass Movements
Case Studies
100
This term means the plunging of one tectonic plate beneath another.
Subduction
100
What do we call magma once it is outside of the earth
Lava
100
Name one hazard of earthquakes
Tsunami
liquefaction
Landslides
Debris flow/mud flow
100
What is a mass movement?
Any large-scale movement of the earth's surface.
100
This volcano, located in the United States, erupted in 1980 and was the most destructive and costly volcanic eruption in United States history.
Mt. St. Helens
200
The name for the location directly above where an earthquake occurs.
Epicenter
200
Name one type of volcano
Shield
Composite
Cinder
200
What is the name of smaller earthquakes that can follow larger earthquakes?
Aftershocks
200
Name one example of mass movement
Mudflow
Earthflow
Landslide
Solufluction
Soil Creep
Rockslide
Avalanche
200
An earthquake occurred in 2010 in this Caribbean nation. It was a 7.0 on the Richter scale and 230,000 people were killed. 250,000 people were injured and a million more were made homeless. The destruction was so bad because of the lack of a strong government or economy and few emergency response protocols.
Haiti
300
The name of a spot where magma rises that is usually in the middle of plates. (Hawaii)
A hotspot
300
Name one volcanic hazard.
Lava flow
Ash fallout
Pyroclastic flow
Gas emissions
Landslides
300
Which have a greater ability to do more damage: Shallow focus earthquakes or deep focus earthquakes?
Shallow focus
300
According to this picture, what are two characteristics of a mudflow?
Wet and fast
300
What was something that Japan has attempted to minimize the damage that tsunamis can cause?
Build walls
400
The name of the area around the Pacific Ocean with high frequency of volcanoes, earthquakes and tsunamis.
Pacific Ring of Fire
400
How do we measure volcanoes?
VEI Scale (1-8)
400
What causes earthquakes usually?
Plate boundary movements (humans can count here too)
400
According to this image, what are two characteristics of soil creep?
Dry and slow
400
What kind of volcano is Yellowstone?
Supervolcano
500
Name all three types of plate boundaries.
Transform
Convergent
Divergent
500
Most volcanoes are found along what?
Plate boundaries
500
True or false: It is more common to have a lot of small earthquakes and fewer strong earthquakes.
True
500
Slope failure can be caused by two things: 1. a reduction of shear strength or 2. an increases in shear _______
stress
500
What is one thing that places can do to minimize the impacts from rockslides?
Fencing on steep slopes
Locations for rocks to slides safely
Safe blasts to cause landslides in a controlled way
Cutting into the rocks
Netting over the rocks