Tsunamis, Earthquakes and Volcanoes

The point on the earth’s surface directly above the origin of the earthquake.

• Epicenter

• Focus

• Foreshock

• Caldera

Tags

NGSS.MS-ESS3-2

A tool used to measure and record earthquake activity

• laser beams

• Richter scale

• seismograph

• tiltmeter

Where do most earthquakes and volcanoes happen?

• mid-ocean ridges

• plate boundaries

• in the mantle

• rift valley

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Which of the following can trigger a tsunami?

• undersea earthquake

• undersea landslides

• eruption of an oceanic volcano

• all of these

Tags

NGSS.MS-ESS3-2

Earthquakes generally occur at plate boundaries, where

• stress on rocks is greatest

• the most rock is found

• stress on rocks is low

• magnetic pull is greatest

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

The most destructive seismic waves. They move the earth side to side and up and down.

• P waves

• L waves

• S waves

• X waves

What is formed when a magma chamber empties and collapses?

• a crater

• a fissure

• a caldera

• a vent

A device used to measure the magnitude of an earthquake

• Seismograph

• Richter scale

• Laser beams

• none of the above

The point of origin of an earthquake

• epicenter

• focus

• caldera

• intensity

The branch of Science that deals with the study of earthquakes