Earthquake and Volcano

What is the point directly above the focus on the surface?

• Hypocenter

• Epicenter

• Magnitude

• Fault line

Which type of wave is the first to arrive after an earthquake occurs?

• A wave

• S wave

• Surface wave

• P wave

Which one of the reasons below could explain an earthquake rated high on the Richter scale, but low on the Mercalli scale.

• It was a fast moving earthquake and didn't last very long.

• Because damage was great, even though magnitude was low.

• It probably happened in an area with few buildings and people

• The magnitude and the intensity is very low

What is the primary purpose of an earthquake hazard map?

• To predict the exact timing of an earthquake

• To identify areas with high earthquake risk

• To measure the magnitude of earthquakes

• To assess post-earthquake damage

What mechanism has most volume of magma generated?

• Decompression Melting

• Flux Melting

• Heat transfer Melting

• Friction Melting

A sleeping volcano is called what?

• Active

• Inactive

• Extinct

• Dormant

Which type of volcanoes has non-explosive eruptions due to easy flowing lava?

• composite volcano

• shield volcano

• lava dome

• cinder cone