Earthquakes and Seismograph

The magnitude of an earthquake is measured by an instrument called

• a digital scale

• a seismogram

• a seismograph

• kilogram

How do scientists find out the intensity and duration of Earthquakes?

• Seismics

• Seismos

• Seismographs

• Richter Scales

Tags

NGSS.MS-ESS3-2

NGSS.MS-PS4-2

What is the difference between the epicenter and the focus?

• The epicenter is located on Earth's surface and the focus is on the fault line.

• The focus is located on Earth's surface and the epicenter is on the fault line.

What happens when tectonic plate shift suddenly?

• Thunderstorm

• Volcano

• Earthquake

• Landslide

Tags

NGSS.MS-ESS3-2

The distance between an epicenter and seismograph’s location can be calculated by using the

• arrival time of the first P-wave

• difference in arrival times between P- and S- waves

• amplitude of the p-wave

• energy released by an earthquake

What question can scientists learn from a seismograph?

• How deep is the earthquake?

• How far away will the earthquake travel?

• How strong is the earthquake?

• How much damage will the earthquake cause?

When a seismologist is studying earthquakes, one thing they cannot do is

• measure how strong the earthquake was

• measure how long it lasted

• measure when it happened

• predict when an earthquake will happen

Tags

S5E1

One thing that is false in the movie is when a seismologist is studying earthquakes, one thing they cannot do is ....

• measure how strong the earthquake was

• measure how long it lasted

• measure when it happened

• predict when an earthquake will happen

Tags

S5E1

What scale is used to measure Earthquakes?

• Richter Scale

• Saffir-Simpson Scale

• Fujita Scale

• Seismoscale

The strongest earthquake will be a category _____.

• 1

• 5

• 10

• 20