This type of plate boundary occurs as two plates move past each other
these are intermediate size (2mm-10cm) rock fragments ejected by a volcano
What are cinders (lapilli)?
The thickest layer
What is the mantle?
This is made up of the crust and upper mantle
What is the lithophere?
France
What is Paris?
These are also called spreading centers
What are diverging plate boundaries?
One gas released by volcanoes
What is CO2 or H2O?
The thinnest layer
What is the crust?
In order to determine the location of an earthquake epicenter, we need this many recording stations
What is 3?
Japan
What is Tokyo?
Collision is a type of this
What is a converging plate boundary?
The most famous US fault
What is the San Andreas Fault?
This is made of liquid nickel and iron
What is the outer core?
A measure of magnitude that is based on how fast the ground moves during an earthquake
What is the Richter scale?
Italy
What is Rome?
Mid-ocean ridges form at these
What are diverging plate boundaries?
this is a super heated cloud of hot gases and rock fragments that races down a volcanic mountain causing major damage
What is a pyroclastic flow?
There are 2 types of this: continental or oceanic
What is crust?
The lower mantle is also called this
What is the asthenosphere?
Canada
What is Ottawa?
Another name for sliding plate boundary
What is a transform plate boundary?
Explosive eruptions have magma with a greater amount of this
What is silica?
This is made of solid nickel and iron
What is the outer core?
A machine that detects earthquake waves
What is a seismograoh?
Burkina Faso
What is Ouagadougou?