Natural Hazard

Which of the following is true about earthquake risks in Illinois?

• All parts of Illinois have the same risk

• Southern Illinois has higher risk due to the New Madrid Seismic Zone

• Chicago is at the highest risk

• Earthquakes only happen in winter

Which of the following is NOT a preparation step mentioned in the material?

• Collecting disaster supplies.

• Building a swimming pool.

• Drop, Cover, Hold and wait until aftershock.

• Planning for several days.

What should you do after the initial shock of an earthquake?

• Wait until aftershock before moving.

• Run outside immediately.

• Go back to sleep.

• Start cleaning up right away.

What is the significance of the orange dots on the map?

• Earthquakes with a magnitude of 7.0-7.9

• Earthquakes with a magnitude of 4.0-4.9

• Earthquakes with a magnitude of 5.0-5.9

• Earthquakes with a magnitude of 6.0-6.9

Why do volcanoes erupt?

• To release molten rock and hot gases from inside the Earth

• To create rain

• To form new rivers

• To cool the atmosphere

Which of the following statements is true about volcanoes?

• Volcanoes are always cold.

• Volcanoes erupt molten rock and hot gases.

• Volcanoes are found only in the ocean.

• Volcanoes are made of ice.

If you see molten rock and hot gases coming out of a mountain, what is it likely to be?

• A volcano

• A glacier

• A canyon

• A lake

What is the primary function of the opening in a volcano?

• To allow molten rock and hot gases to escape

• To collect rainwater

• To grow plants

• To provide shelter for animals

Which of the following best summarizes the definition of a volcano?

• An opening in a mountain for eruptions of molten rock and hot gases

• A deep hole in the ground filled with water

• A flat area of land with trees

• A tall building in a city

Which of the following is NOT a reason for volcano formation?

• Gaps between lithospheric plates

• Hot magma reaching the surface

• Melting of glaciers

• Movement of earth’s crust