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18 Cards in this Set
- Front
- Back
Normal Fault |
Tension (pulling) stress |
|
Reverse Fault |
Compression (pushing) stress |
|
Strike - Slip Fault |
Shearing (sliding) stress |
|
Focus |
Location on the fault where an earthquake begins |
|
Epicenter |
The point in the earth's surface directly above the focus |
|
P wave |
Push or Pull motion |
|
S wave |
At right angle from the focus, moves through solid |
|
Surface wave |
Most destructive and moves the slowest |
|
Mercalli Scale |
describes damage after earthquake |
|
Richter Scale |
It has been used since the 1970's |
|
Moment Magnitude |
this is the scale they use now |
|
Tsunami |
Begins as a small wave in the deep ocean, directly above the epicenter of an earthquake |
|
Liquefaction |
When water saturated soil is shaken during an earthquake |
|
Magma |
Is inside a Volcano |
|
Lava |
Is outside on the earth's surface |
|
Shield Volcano |
Quiet eruptions, alternating layers of hardened lava |
|
Composite (Stratovolcano) |
Formed by alternating layers of ash / rock and lava. Quiet and explosive eruptions |
|
Cinder-Core Volcano |
Explosive Eruptions. Layers of rock / ash. |