Earthquakes

The point under the ground where an earthquake occurs is called the...

• Epicenter

• Earthquake Start

• Focus

• Tectonic Initiation Point (TIP)

Tags

NGSS.MS-ESS3-2

The point on the surface directly above where an earthquake occurs is called the...

• Epicenter

• Earthquake Start

• Focus

• Tectonic Initiation Point (TIP)

Tags

NGSS.MS-ESS3-2

Which earthquake would be more dangerous to people living near it?

• One with a shallow focus

• One with a deep focus

Tags

NGSS.MS-ESS3-2

Which earthquake would be more dangerous to people living near it?

• One with a small magnitude

• One with a large magnitude

Which seismic wave arrives first?

• Primary (P) Waves

• Secondary (S) Waves

• Surface Waves

• Initial (I) Waves)

What interval do scientists use to help find the epicenter of an earthquake?

• S-S Interval

• Surface Wave Duration

• P-Surface Interval

• S-P Interval

How many seismograms do you need to use triangulation to find the epicenter of an earthquake?

• 1

• 2

• 3

• 4

What is the name of the scale used to measure the MAGNITUDE or amount of Seismic Energy released in an earthquake?

• Mercalli Index

• Richter Scale

• Saffir-Simpson Scale

• Magnitude Log Scale