The 3 forms of volcanoes are______
Composite/Strato
Cinder
Shield
What are the 3 types of waves that occur during an earthquake?
S waves -Secondary
P waves -Primary
Surface waves
What is molten rock inside the earth?
Magma
What type of force is occurs along strike-slip faults?
Shear
What is a tsunami?
Underwater earthquake
____volcanoes are the the most explosive.
Composite/Strato
What is a seismograph?
A readout of wave data from a Seismometer.
OR
A read out of S and P waves.
What is molten rock outside the earth?
Lava
What types of fault occurs a a Convergent boundary?
Reverse fault
Which type of volcano has small and has slow flowing lava?
Shield
______ is a very turbulent mixture of steam, gases, ash, and small pieces of rock that is heavier than air and moves at a high rates of speed.
Pyroclastic flow
What seismic waves move fastest?
P/Primary waves
Where are most volcanoes located?
Along plate boundaries
AND
At divergent boundaries, convergent boundaries, and hotspots.
Where does compressional force occur?
Convergent boundaries
______ is a hotspot volcano.
Hawaii
How do you find the distance of an earthquake from a seismic station using P and S wave times?
Find the difference between arrival times.
What is a Lahar?
A destructive mudflow on the slopes of a volcano.
What is a fault?
A structure where rocks have failed.
_______will most likely occur before a volcanic eruption.
Earthquakes
How many points of reference/seismic stations do you need to find the epicenter of an earthquake?
At least three.
What kind of gas is released from volcanoes that makes local water more acidic?
Sulfur Dioxide
BONUS: What are the ocean floors made of?
Basalt