Restless Earth Flashcards
The runny type of lava is called
Basalt Lava
The capital city of Haiti
Port au Prince
A deep depression created by a super volcanic eruption
Caldera
The name of the Kobe tower that was protected with retroengineering
Osaka Bay tower
The denser of the two plates
Oceanic
The thick type of lava
Andesite
The state Mt Helens is situated in
Washington
The date of the Haiti earthquake
13 Jan 2010
The name of the motorway in Kobe that collapsed in the quake
Hanshin Expressway
A flat gentle sided volcano
Shield
The point on the earth where earthquakes are at their most powerful
The epicentre
The secondary threat created when extensive ash mixes with water
Lahars
A sudden, quick, and very hot movement of gases, dust, ash and/or rock mixtures due to volcanic eruptions
Pyroclastic flow
The scale that measures impact of earthquales
Mercalli scale
The date of the Mt St Helens eruption
18 May 1980
The name of longitudinal waves that are released from the focus first
P(rimary) waves
The name of the transverse waves that arrive at the detector second
S(econdary) waves
The name of the plug in the top of a volcano that causes pressure to build
Lava dome
The amount of killed by the Mt St Helens eruption of 1980
57
Measures how much sulphur dioxide is released from the vents of the earth
COSPEC / Optical Correlation Spectrometer
How many gas masks were handed out after the eruption of Mt St Helens
2 million
The type of plate boundary that does nothing but create earthquakes

Conservative
The point inside of the crust where pressure is released and seismic waves come from.
Focus
When the crust is forced upwards by an earthquake measuring over 9 on the Richter Scale.
Megathrust