Seismic Waves EQ Scales Plate Tectonics EQ Geography EQ Safety 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt
The direction seismic waves travel.
What is all directions?
The fastest of the seismic waves
What is a Primary wave?
Only travels through solids
What is secondary wave?
Measures and records seismic waves
What is a seismograph?
The point within the earth where the energy is first released.
What is the focus?
Expresses the intensity of an EQ
What is the mercalli scale?
Measures the amount of energy released during an EQ
What is the Richter scale?
Complete destruction
What is XII on the Mercalli scale?
Can be used to find distance from an epicenter if lag time is known
What is a travel time graph?
Zones of immobile rock along faults
What are seismic gaps?
Vibration of the earth’s crust
What is an EQ?
Most EQ happen here
What are on plate boundaries?
Two plates moving toward each other
What is a convergent boundary?
3 types of boundaries EQ occur
What is convergent, divergent, transform?
Theory used to explain EQ
What is the elastic rebound theory?
The minimum number of stations needed to find an epicenter
What is 3?
Body of water formed by diverging plates
What is the Red Sea?
Largest fault in CA
What is the San Andreas?
The 3 EQ zones
What are Pacific Ring of fire, Mtn belt, Mid. Atl. ridge?
Area around the Pacific Ocean noted for EQ and Volcanic activity
What is the Pacific Ring of Fire?
The safest part of the house in an EQ
What is a doorway?
Where you should not go if there is an EQ
What is outside?
Food, water, radio, flashlight, and batteries
What are things to keep in case of an EQ?
Water, gas and power
What are things to shut off after an EQ?
Person responsible for enlightening you about EQs
Who is Ms Wessel?