A recently erupted volcano is...
Active
These waves are the fastest but cause the least damage
What are P waves
Explosive volcanos can produce these flows
What are Pyroclastic flows
This type of volcano has a very wide, gentle opening and is quiet
What is a Shield
These 2 events can be caused by earthquakes and vocanoes
Landslides and Tsunamis
Two positive aspect of vocanoes are
Fertile farm lands
Geothermal energy
Where earthquakes start beneath the earth's surface
What is the focus
This volcanic hazard can disrupt air traffic
What is Ash
A cinder Cone Cone has this style of eruption
What is explosive
There are many volcanos located around the rim of this Pacific Plate
What is the "Ring of Fire"
When a volcano erupts gas and lava escape through an opening in the earths ...
CRUST
Cracks in the earth surface are called
Faults
This can cause skin and eye irritation, headache, dizziness, and death
What is Deadly gasses
Small steep cone shaped volcanos are this type
What is Cinder Cone
Lava erupts through this vent in the the center of a volcano
What is the Main Vent
This type of volcano will never erupts ever again
What is Extinct
These waves are the second fastest and cause more damage
S waves
Lava flows burn everything in their path and leave behind what?
Thick black layers of rock
Mt. St Helens is an example of what type of volcano
What is Composite
This Scale measures the magnitude of an earthquake
Moment Magnitude Scale
Volcanos form along these 3 places
Divergent boundaries, convergent boundaries and hot spots
Surface waves are the slowest but cause the...
most damage
The heat produced during an eruption can melt snow and ices creating this type of flow-
What is a mudflow
Large mountain shaped volcano are what type?
What is Composite
This scale measures the amount of damage
Modified Mecalli Scale