Safety & Emergency Natural Disasters 1

Question 1

During an earthquake, what is the recommended protective action if indoors?

Accepted Answer

Drop, cover, and hold on under a sturdy table or desk

Answer

Run outside immediately

Answer

Stand in a doorway

Answer

Go to the lowest floor

Question 2

What scale measures the magnitude of an earthquake based on seismic wave energy?

Accepted Answer

Moment Magnitude Scale (Mw)

Answer

Richter Scale

Answer

Modified Mercalli Scale

Answer

Fujita Scale

Question 3

What is the primary sign of an approaching tsunami after a coastal earthquake?

Accepted Answer

Rapid and unusual retreat of the sea from the shoreline

Answer

Darkening sky

Answer

Loud thunder-like noise

Answer

A large wave visible on the horizon

Question 4

At what wind speed does a tropical storm officially become a hurricane?

Accepted Answer

74 mph (64 knots)

Answer

64 mph (55 knots)

Answer

85 mph (74 knots)

Answer

55 mph (48 knots)

Question 5

What is storm surge in the context of hurricanes?

Accepted Answer

An abnormal rise of water generated by a storm's winds pushing water onto shore

Answer

Heavy rainfall from a hurricane

Answer

The eye wall of a hurricane making landfall

Answer

A sudden increase in wind speed

Question 6

What is the Enhanced Fujita (EF) Scale used to classify?

Accepted Answer

Tornado intensity based on damage

Answer

Hurricane wind speed

Answer

Earthquake ground motion

Answer

Wildfire spread rate