Earthquakes
This is the name of the scale commonly used to measure earthquake magnitude.
What is the Richter scale?
Molten rock beneath Earth's surface.
What is magma?
Another name for a hurricane in the western Pacific Ocean.
What is a typhoon?
Tsunamis are often caused by this kind of underwater disturbance.
What is an earthquake?
The term for a rapidly moving mass of snow, ice, and debris.
What is an avalanche?
The point on the Earth's surface directly above the earthquake focus.
What is the epicenter?
This famous Italian volcano buried the city of Pompeii.
What is Mount Vesuvius?
The calm area in the center of a hurricane.
What is the eye?
The Japanese word "tsunami" means this.
What is "harbor wave"?
These spinning columns of air form during severe thunderstorms.
What are tornadoes?
This U.S. state experiences the most earthquakes.
What is Alaska?
A volcano that hasn't erupted in thousands of years and isn't expected to erupt again.
What is extinct?
The term for a storm surge caused by a hurricane.
What is a storm tide?
This 2004 tsunami impacted over 14 countries in this ocean.
What is the Indian Ocean?
A long-term lack of rain resulting in water shortage.
What is a drought?
A sudden movement along this geological feature causes most earthquakes.
What is a fault line?
The name of the Ring around the Pacific Ocean known for frequent volcanic activity.
What is the Ring of Fire?
This 2005 hurricane devastated New Orleans.
What is Hurricane Katrina?
Warning signs of a tsunami include this sudden change in sea level.
What is a rapid receding of water?
This deadly chemical accident in 1984 occurred in Bhopal, India.
What is the Bhopal Gas Tragedy?
The 2010 earthquake that caused massive devastation in this Caribbean country.
What is Haiti?
The 1980 eruption of this U.S. volcano was one of the most significant in history.
What is Mount St. Helens?
Hurricanes are categorized on this scale.
What is the Saffir-Simpson scale?
These sensors, placed on the ocean floor, help detect tsunamis.
What are DART buoys?
The global emergency alert system for disasters is coordinated by this U.N. agency.
What is the UN Office for the Coordination of Humanitarian Affairs - OCHA?