Earthquake Data
Earthquake Vocabulary
Volcano Types
Volcano Vocabulary
SURPRISE!
100
The process where scientists use 3 datapoints and where they intersect to determine the epicenter of an earthquake
triangulation
100
What is the epicenter?
The point directly above the focus where the earthquake reaches the surface
100
Hawaiian islands are an example of...
shield volcanoes
100
viscosity is...
a liquids resistance to flow
100
What is the fourth planet from the sun?
Mars
200
What is the S-P interval of this seismogram?
2 minutes
200
What are S waves and how do they move?
secondary waves, they move in a wave-like motion
200
Which volcanoes are the most explosive?
composite
200
Dormant volcanoes are...
volcanoes that haven't erupted in a while but can erupt again
200
Albondigas is the spanish word for...
Meatball
300
If the S-P interval is 55 seconds, what is the distance to epicenter for this city?
540 kilometers
300
What is the focus?
The origin of the earthquake below the surface of the earth
300
Describe the eruptions of shield volcanoes
slow moving lava, very viscous
300
what does higher silica content mean about lava's viscosity?
higher silica content=more viscous
300
Where is Mt. St. Helens?
Washington State
400
In what state is the epicenter of this earthquake located?
Montana
400
What are P-waves and how do they move?
primary waves, faster and move back and forth like an acordion
400
This volcano is known as
composite volcano
400
what is the Ring of Fire? What plate boundaries occur here?
the ring of volcanic and earthquake activity around the Pacific characterized by transform boundaries
400
What country(ies) are cactuses native to?
North America/South America
500
What can the time between S-P waves on a seisomgraph tell you?
The distance from the city/station to the epicenter
500
What is the Richter scale?
The scale used for determining the magnitude of an earthquake
500
Pressure built up by trapped gasses leads to __________ volcanic eruptions
explosive
500
where do volcanoes occur?
divergent, convergent, hotspots
500
What dessert is this?
Turkish delight