Easy
The name for when all the continents were stuck together.
Pangea
this is a scale used to measure earthquakes
Richter or Mercalli scale or moment magnitude scale
the instrument used to measure earthquakes
siesmograph
how can you make a building earthquake-resistant?
flexible foundation or tuned mass dampers
The amount of times a building sways back and forth in a period of time.
resonant frequency
What is called when two plates try to slide past each other?
transform boundary
Where is the Ring of Fire?
pacific ocean
How fast can a tsunami move?
hundreds of miles an hour
What causes a tsunami?
earthquakes!
the region in the south pacific with a lot of earthquake activity
Ring of Fire
_____ waves arrive first, follow by _______ waves.
P, S
Name a state where an earthquake is unlikely.
Up to Ms. Daman
the place where two plates meet.
fault line or plate boundary
Would a TALL building have a HIGH or LOW resonant frequency?
lowwww
Which building would be safer on soft ground: a tall brick sky scraper or a small wooden house
small wooden house
What can cause earthquakes in places that aren't on a fault line?
Drilling/hydraulic fracturing.
True or false: A tsunami is a tidal wave
FALSE
How do we know that the continents used to be connected?
fossils, the shapes of the continents, rocks
small on sand!
Biggest earthquake to ever hit Montana?
7.3