who am I
Which of the following volcano hazards is made up of rocky particles about the size of a grain of sand?
What is volcanic ash
Volcanic belts form along
What is the boundaries of Earth’s plates.
Magma that hardens inside Earth's crust can form vertical _________
What is a dike
Before lava reaches the surface, the molten material is called
What is magma
A volcano that no longer exists
What is extinct
What is the scale used to measure earthquake magnitude
What is a Richter Scale
Waves of energy spread out from this point where the slipping begins
What is the focus
The scaled used to measure the effects of an earthquake
What is Mercalli Scale
A stationary pool of lava
What is a hot spot.
A string of volcanoes called the ring of Fire is located where
What is Pacific Ocean
Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called
What is composite volcano
When they reach the surface, waves spread out from this point, directly above the focus
What is the epicenter
A volcano that is unlikely to erupt again is considered to be
What is extinct
An outpouring of melted rock, gases and/or ash
What is an eruption
A series of volcanic islands that form along a plate boundary
What is an island arc
This volcanoe is made up of layers of lava and has quiet gentle eruptions
What is shield volcanoe
This type of volcanoe makes up the Hawaiian Islands
What is shield volcanoe
Paricutín in Mexico is a
What is cinder cone volcano
Earthquakes happen when the layers of rock on both sides of a __________ suddenly slip.
What is a fault
Molten material that leaves a volcano’s vent is called ____________________.
What is lava
The smallest type of volcanoe, made up of layer of scoria
What is cinder cone
A major volcanic belt known as the _________________________ circles the Pacific Ocean.
What is the Ring of Fire
A string of islands known as a(n) ____________________ can form from the collision of two oceanic plates.
What is island arc
An underwater earthquake can produce a large wave called a
What is tsunami
A cup shaped depression around a volcano's vent
What is a crater