What is an earthquake
a sudden shaking of earth's surface caused by plate movement
What is a volcano
An opening in earths crust where magma comes to the surface
What is a Tsunami
A series of giant ocean waves caused by underwater disturbances
What tool measures an earthquakes strength
seismograph
What is the ring of fire
aera in the pacific ocean where many earthquakes and volcanoes occur
What are tectonic plates
large sections of earth's crust that float on magma
Name the three types of volcanos
Shield, Strato, Cinder cone
What three things cause tsunamis
earthquakes, landslides, volcanos
what scale measure the magnitude of earthquakes
Richter
What famous earthquake happen in 1906. Changing building codes in the USA
San Francisco
name one type of plate movement that causes earthquakes
Convergent, Divergent, Transform
What is magma called once it reaches earth's surface
Lava
Why do Tsunamis grow larger as they reach shallow water
the waves slow down and the energy is forced upward
What should you do during an earthquake
drop, cover, hold on
Which tsunami was caused by the 2004 Indian ocean earthquake
2004 Indian ocean tsunami
What are seismic waves
Energy waves released during an earthquake
What are pyroclastic flows
Fast-moving clouds of hot gas and debris
Name on warning sign of a Tsunami
Ocean water pulling back, loud roaring sounds, sudden water level changes
who or what are going to give you the best early warning signal for a tsunami
animals
What kind of volcanic eruption have lava fountains and flows
Hawaiian Style
Where do most earthquakes happen.
Along the ring of fire
What is a magma chamber
A large underground pool of molten rock beneath a volcano
How fast can a tsunami travel in open water
500mph
Name a benefit of volcanoes
soil replacement, geothermal energy, creates new land
How do scientist monitor volcanoes, 3 ways
Ground movement sensors, thermal cameras, gas sensors