Show:
Crazy Causes
Waking Waves
Measurement of/and DESTRUCTION
(De)Faulting Fun Facts
100
An Earthquake
What is another name for the event when pieces of land slip along large cracks in the crust?
100
1. Body Wave 2. Surface Waves
What are the two main kinds of waves?
100
The Modified Mercallie Scale.
What is the scale to measure the intensity and damage of earthquakes?
100
Earthquakes depths provide this.
What provides info about the earth's plate boundaries?
200
Tectonic Plates
What are the sections of crust called (that cause earthquakes)?
200
The point on the surface of the crust that an earthquake's waves affect the most.
What is the epicenter?
200
There are 12 levels on this.
How many levels does the Mercalli Scale consist of?
200
S-waves travel like this.
What waves travel in a rolling behavior?
300
Seismic Waves
What kind of wave does Elastic Rebound produce?
300
Secondary Waves and Primary Waves have these other names.
P-waves and S-waves are also called what?
300
600,000 of these earthquakes happen a year.
How many 2.0+ earthquakes happen a year?
300
These travel in all directions.
How do earthquakes' waves move around?
400
1. Compressive 2. Tension 3. Shear 4. Torsion
What are four types of stress?
400
These travel through solids and liquids.
Primary waves can travel through what kinds of surfaces?
400
Large contributors to damage post-earthquake.
What do tsunamis, fires and landslides have to do with an earthquake?
400
Earthquakes tend to be shallow when it's near this.
What happens when earthquakes occur near divergent plate boundaries?
500
It occurs when a material deforms as stress is applied, but snaps back to its original shape when the stress is removed.
How is Elastic Deformation caused?
500
5-7 km/h is the speed of the fastest waves.
How fast can P-waves travel?
500
The magnitude of an earthquake (richter scale) that can't be felt but recorded by seismograph.
What affect does a 2.0 registered earthquake have?
500
Rift Valleys are made by earthquakes near here.
What natural landmarks occur due to earthquakes near faults?