Waves
A disturbance that carries energy through matter or space
What is a wave?
A mountain formed whn molten rock is pushed to Earth's surface and builds up
What is a volcano?
A break in the earth's crust where rock on one side moves in relation to rock on the other side.
What is a fault?
An instrument that detects and records the energy of earthquake waves
What is a seismograph?
Earthquake scale that uses Roman Numerals instead of arabic numbers.
What is the Mercalli Scale
A wave in which the matter moves in the same direction that the energy travels
What is a longitudinal or compression wave?
Most volcanoes occur in this large area
What is the ring of fire, earthquake belt, or circum-pacific rim?
The fastest traveling earthquake waves
What are p waves?
Between Richter Scale and Moment Magnitude Scale
The one that has been around the longest
What is the Richter Scale?
Under is magma, over is lava
What is molten rock?
This is another name for a compression wave
What is longitudinal?
Three
How many basic types of volcanoes?
The two earthquake waves that are both transverse waves
What are secondary and surface?
Measurement scale not by magnitude and energy, but instead by damage caused.
What is the Mercalli Scale?
The point inside the earth where an earthquake begins
What is the focus?
A wave that does not require matter to transfer energy
What is an electromagnetic wave?
Name the volcano types
What are:
shield, stratovolcano(composite), and cinder cone?
Where and when? The highest magnitude earthquake ever recorded
What is Chile, 1960
The slowest of the earthquake waves, the last to be recorded
What are surface waves?
A large destructive ocean wave caused by an earthquake
What is a Tsunami?
A wave in which the matter moves perpendicular to the movement of the energy
What is a transverse wave?
Another name for composite volcano
What is stratovolcano?
Term for the ground becoming like water during the shaking of an earthquake
What is soil liquification?
Scale that uses the descriptors: not felt, weak, light, moderate, strong, very strong, severe, vilent and extreme
What is the Mercalli Scale?
A dense, fast-moving flow of solidified lava pieces, volcanic ash, and hot gases.
What is a pyroclastic flow?