The point on the Earth's surface directly above an earthquake's focus is the

• focus

• fault

• epicenter

• core

Tags

NGSS.MS-ESS3-2

The tool that measures vibrations in the Earth

• Richter

• Seismograph

• Wave Monitor

• Earth Burp Measurer

True or False Tsunamis are an after effect of earthquakes

• True

• False

Tags

NGSS.MS-ESS3-2

Seismic waves are recorded and measure by a _________________

• anemometer

• seismograph

• moment mometer

• magma mometer

On the map, which location is closest to the epicenter of the earthquake?

• Salt Lake City

• Denver

• Las Vegas

• San Diego

Answer explanation

The epicenter is located where all 3 radius circles meet.

Tags

NGSS.MS-ESS3-2

An earthquake's magnitude (strength) can be determined by

• comparing the speed of P and S waves

• calculating the time the earthquake occurred

• calculating the depth of the earthquake faulting

• analyzing the seismic waves recorded by a seismograph

A huge undersea earthquake can cause a

• hurricane

• thunderstorm

• tsunami

• cyclone

Tags

NGSS.MS-ESS3-2

According to the data on the seismographs, which location is closest to the epicenter of this earthquake

• A

• B

• C

• They are all the same distance

Answer explanation

The smallest difference between P ans S wave arrival time indicates the closest location to the epicenter

Magma is...

• molten rock above the earth's surface

• molten rock in the ocean

• molten rock beneath the earth's surface

Most volcanoes are located...

• in the middle of the United States

• at the edges of the tectonic plates

• on Mars

Tags

NGSS.MS-ESS2-3