Earthquakes and volcanos Flashcards
1
Q
Fault
A
An area where two very large rock surfaces move against each other.
2
Q
Epicentre
A
The area on the earths surface that is directly above the focus and the source oof the earth quakes.
3
Q
Seismograph
A
A sensitive machine that is attached to bedrock in order to measure the strength of an earthquake.
4
Q
Seismic waves
A
The energy waves that are released by an earthquake and travel outward from its focus.
5
Q
Richter scale
A
A scale on which magnitude, or strength of an earthquake is measured.
6
Q
Lava
A
Magma when it crawls out of the crust of the earth.
7
Q
Magma
A
Melted rock.
8
Q
Volcano
A
