Seismic Waves
Vibrations within the Earth Produced by rapid release of energy at plate boundaries
What are Seismic Waves
What are the 4 major layers of the earth (from the surface to the center)
Crust, Mantle, Inner Core, Outer Core
Plates that slide past each other
What are transform Plates
What is the name of a supercontinent?
Pangea
Which tectonic plate is located to the west of the South American Plate?
The Nazca Plate
Compressional Wave that arrive 1st at the seismic station?
What are Primary or P waves
What is the composition of the Inner and Outer Core
Iron and Nickel
The type of boundary where subduction occurs
What are convergent plate boundaries
What Causes the Tectonic Plates to Move
The Convection Currents in the Mantle
The Baikai Rift is located on which plate
The Eurasian Plate
Location of Earthquake, below the surface
What is the focus or hypocenter
Which layer is denser, the Oceanic Crust or the Continental Crust?
Oceanic Crust
The types of plate boundaries that lead to ridges, rises and valleys
What are Divergent Plates
What is the name of the theory that states the earth's crust is made of large sheets of moving over the mantle
The theory of Plate tectonics or Continental Drift
Which Ridge is spreading at a rate of 1.6 cm/year
The Southwest Indian Ocean Ridge
This wave is absorbed by liquids
What are Secondary Waves? (This is why they only travel through solids)
Which layer of Earth has a density of 4.0 g/cm^3
The Mantle (3.4 -5.6 g/cm^3)
[p11 of ESRT]
Boundaries that lead to trenches, mountains, volcanoes and earthquakes
What are convergent plate
Who first proposed the moving of continents
Alfred Wegner
The Mariana Trench separates which two plates
The Philippine Plate and the Pacific
The two types of Surface wave?
What are Love Waves and Rayleigh Waves
How do scientist know the outer core is fluid?
S - Waves cannot travel through this region of the Earth's interior
What is the tectonic plate where Puerto Rico is located
What is the Caribbean Plate
What is the ridge push
When magma rises between divergent plates and pushes them further apart
Which plate host the most volcanic activity?
The Pacific Plate ( The Ring of Fire)