RPA Natural hazards review

Define Richter Magnitude Scale.

• A digital instrument used to measure earthquake waves

• rates the amount of shaking from an earthquake

• a rating system that estimates the total energy released by an earthquake

• numerical rating system used to measure the amount of energy released during an earthquake

What kind of tectonic plate boundary most often causes Earthquakes?

• Destructive boundary

• Conservative boundary

• Constructive boundary

What is magma called once it reaches the surface?

• lava

• rock

What are some ways to help prepare for earthquakes? (select 2)

• build earthquake resistant structures

• build a bunker under your house

• practice safety drills

• read fictional stories about earthquakes

What is the BEST way to stay safe from a volcanic eruption?

• build a house on the volcano

• keep a radio nearby to hear warnings

• DO NOT live on a volcano

Can scientists accurately and scientifically predict when & where a volcano will happen?

• Yes!

• No!

What is the main factor that drives the movement of tectonic place?

• convection in the mantle

• the sun

• the ocean currents

People who live where there are lots of hurricanes build tall walls near the ocean. This helps to protect them from which thing that happens during a hurricane?

• Dark Sky

• Strong Winds

• Tall Waves

• Lots of Rain

Which of the following is NOT an effect of a hurricane?

• Heavy Rains

• Strong Winds

• Tall Waves

• Lack of rain for an extended period of time

An earthquake is usually caused by a _________.

• glacier
• landslide
• very large storm
• a movement along a fault