Earthquake Measurement and Concepts

Front

What is the epicenter?

Back

The point on the surface directly above where the earthquake originates.

Tags

NGSS.MS-ESS3-2

Front

What is the focus of an earthquake?

Back

The point in the earth where the earthquake originates from.

Front

Name the types of plate boundaries that produce earthquakes.

Back

Transform and convergent boundaries.

Tags

NGSS.MS-ESS2-3

Front

How many seismographs are needed to locate the epicenter of an earthquake?

Back

Three seismographs.

Front

What instrument do scientists use to measure earthquakes?

Back

Seismograph.

Front

What is a seismogram?

Back

A record produced by a seismograph that shows the motion of the ground during an earthquake.

Front

What is the Richter scale?

Back

A scale used to measure the magnitude of an earthquake.

Front

What is a tectonic plate?

Back

A large section of the Earth's crust that moves and interacts with other plates.

Tags

NGSS.MS-ESS2-3

Front

What happens at a divergent plate boundary?

Back

Two tectonic plates move away from each other, often creating new crust.

Front

What happens at a convergent plate boundary?

Back

Two tectonic plates collide, which can cause earthquakes and mountain formation.

Tags

NGSS.MS-ESS2-2