A vast cauldron-shaped depression formed by ground that has collapsed into an emptied magma chamber
A volcanically active place that lies above abnormally hot rock within the Earth's mantle
A deep, large, undeground area filled with magma
An opening at the top or side of a volcano where lava erupts
A fracture or crack in Earth's surface
Molten rock beneath Earth's surface
A passage in a volcano that magma moves through
A sudden occurrence of a violent discharge
Molten rock that flows from a volcano
A volcano that has erupted within the past 10,000 years
A volcano that has not erupted for a significant length of time
A volcano that is unlikely or thought to be incapable of erupting again
A volcano made of alternating layers of lava and cinder with a steep slope
Low temperature lava with a high viscosity
Dense lava with a low viscosity
A volcano formed from repeated nonexplosive eruptions and has low sloping sides
Small and fine pyroclastic material
The zone of volcanic activity in the Pacific Ocean
An opening or crack in the ground created by a volcano
A vent in the earth's crust through which lava, steam, ashes, and more are expelled,
The first part of a earthquake.
Tube that connacts chamber to surface.
Opening thru which molten rock and gas leave.
Molten mixture of rock-forming substance gases, water from the mantle.
Area covered by lava as pours out of vent
Live; erupting or showing signs of erupting in near future.
A break in the earths crust.
The first part of a earth quake.
Are the most distructive.
The middle of the earthquake.
Dead; unlikely to erupt again.
Used to track the vibrations in the earths crust.
Force that acts on rock.
Shaking and trembling of earth.
Downward bend in rock.
Major volcanic belt.
Downward bend in rock.
Vibrations that travle through earth during a earthquake.
Pocket that collects magma.
This is the wave that comes after the P Wave.
the point beneath the earths surface were rock breaks and causes an earth quake
the point on the earths surface directly above the focus
a type of seismic wave that compresses and expands
a type of seismic wave that moves side to side and up and down
the opening in a volcano through witch magma and gasses escape
a gently slopping mountain made of lava released from nonexplosive eruptions
a steeply slopped volcano made of pyroclastic material from explosive eruptions
a tall cone shaped mountain made of alternating layers of lava and pyroclastic material
a row of severe thunderstorms
a rapidly rotating column of air that extended from a cumulonimbus cloud and touches the ground
a scale used to rate a tornado intensity
a rotating storm system originating over warm water with wind speeds of 119 kph 74 mph or greater
a tropical cyclone forming in the Atlantic and eastern pacific oceans
a wall of water that moves ashore when a hurricane strikes land
Where do volcanoes form?
How to measure how thick and sticky a liquid is?
What type of volcano is formed when basaltic lava flows long distances before hardening.
What is it called when a large crater-shaped basin forms when the top of a volcano collapses?
Where do earthquakes usually occur?
What is the energy called when it travels away from the focus of the earthquake?
What is the earthquake's underground point of origin?
What is the point on Earth's surface that is directly above where the earthquake originates?
What is the name of the stress that pushes together?
What fault is it when the hanging wall drops down?
What is the measurement of earthquake strength based on seismic waves?
opening through which an eruption takes place
Depression which forms the summit of most volcanoes and are usually centered over the vent
Formed after collapse of chamber
Lava pours from side vent
hot flow of pyroclastic material
fluid lava plowing in horizontal layers
also called plateau basalts
streams of lava below surface
layers due to cooling
gasses are expelled in release
thickness and flowing ability of liquid
gasses building up in volcano
state of matter, no definite shape
pyroclastic debris that move quicky downhill
shallow wide volcano type
also known as pyroclastic volcanoes
also known as cinder cone volcanoes
also known as stratovolcanoes
also known as composite volcanoes
steep sided dome masses formed from cooling lava
areas of volcanic activity marked my raising magma
national park having volcanic activity
state with volcanic activity
rock type made from cooled magma
volcano in washington state
volcano in Hawaii
volcano in Mexico
volcano in Japan
volcano in Italy
cause of volcano formation
Weak spot in crust where magma and gases come out.
Molten mixture of rock-forming substance, gases, and water from the mantel.
Resistance of a liquid to flow.
Pocket that collects magma.
Opening thru which molten rock and gas leaves.
Tube that connects chamber to surface.
bowl-shaped area that may form at top around central vent
Area covered by lava as it purs out of vent
Explosive eruption hurls out mixture of hot gases, ash, lapilli, bombs, and blocks.
Trapped gases builds up pressure until they explode.
What are primary waves also called?
What are secondary waves also called?
Area beneath Earth's surface where rock breaks.
Rates quakes according to level of damage.
Change in the shape of rock due to stress.
Wave of energy that travels through Earth,away from an earthquake in all direction.
Instruments located at or near surface of earth that record seismic waves.
Dead:unlikely to erupt agin.
Sleeping but expected to awake in future and become alive.
Oozes out quickly and flows for many Km.