Earthquake, Volcanic lava flow into water, meteor crashing into ocean
100
Huge eruption in Washington State, USA in 1980
Mt. St. Helens
100
What is the point beneath Earth's surface where the earthquake happens?
Focus
200
What is the location of an earthquake called?
epicenter
200
What is lava?
Molten rock outside a volcano after it erupts.
200
What 2 things might occur before a tsunami hits shore?
Earthquake, strange low tide
200
Gigantic volcanic explosion many times greater than a nuclear bomb completely obliterated an island in Indonesia and sent tsunamis in many directions. Was the loudest known heard sound ever.
Krakatau
200
What is the name of the famous fault in California where many earthquakes happen?
San Andreas Fault
300
What scale is used to measure the magnitude of an earthquake?
Richter Scale
300
What is the name of the huge landslide of ash, dust, rocks, gases, lava and debris can be caused by a volcanic eruption?
Pyroclastic Flow
300
What was the closest piece of land to the massive earthquake that caused a tsunami that devastated coastlines all around the Indian Ocean in 2004? This piece of land is also the name of the Earthquake.
Sumatra, Indonesia
300
This volcano erupted in AD 79 destroying the Italian city of Pompei.
Mt. Vesuvius
300
What 2 types of seismic waves are called "Body Waves"
p waves and s waves
400
What is the tool scientists use to measure earthquakes?
Seismometer
400
What are 3 indicators that a volcano might erupt?
1. Gases come out of the volcano
2. Many earthquakes occur
3. Mountain begins to bulge.
400
What is a tsunami? What language does the word tsunami come from?
Wall of water, Japanese
400
This city was destroyed by a massive earthquake in 1906.
San Francisco, California USA
400
What is the name of a person who studies volcanoes?
Volcanologist
500
What are the first two waves that arrive after an earthquake occurs?
P wave and then S wave
500
What is the most common type of volcano?
Stratovolcano
500
In what Japanese province did a huge tsunami destroy a nuclear power plant in 2011?
Fukushima
500
What chain of islands in Alaska is famous for many Earthquakes and volcanoes?