Parts of an Earthquake
Where do earthquakes occur?
How many types of plate boundaries are there?
What is the name of the fault closest to SF?
San Andreas Fault
What US state has the most danger of earthquakes?
California
This is the outermost layer of the earth
the crust or lithosphere
What are the giant pieces of Earth's outer layer called?
tectonic plates
Which type of boundary has the most destructive earthquakes?
transform
When was "The Great Quake"?
1906
The 1989 Loma Prieta Earthquake happened during what event?
The World Series (Baseball)
What evidence have scientists used to hypothesize the continents were once connected long ago? (name 2)
A strike-slip fault is also known as...?
transform fault
Which neighborhood in SF has experienced the most damage from major earthquakes?
The Marina district
The name for magma once it reaches the surface of the Earth
lava
What causes tectonic plates to move?
convection currents in the mantle
Divergent boundaries cause what geologic landform?
ridges or rift valleys
When was the last major earthquake in SF?
1989
What feature forms above a subduction zone where magma rises to the surface?
Volcanic arcs or volcanoes
What was the name of the last (most recent) supercontinent?
Pangaea
What type of fault caused mountains like the Himalayas?
Convergent
What actually caused most of the damage to SF during "The Great Quake"?
Fires after the earthquake
What is the deepest part of the ocean known as, formed by convergent plate boundaries?
The Marianas Trench
Who's Continental Drift hypothesis led to the theory of plate tectonics?
Alfred Wegener