Earthquake

_____________ is a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.

Tags

NGSS.MS-ESS3-2

__________________is the study of earthquakes and seismic waves that move through and around the earth.

Tags

NGSS.MS-ESS3-2

The point within the earth where rock is under stress is called _________________________.

• Focus

• Epicenter

The point directly above the focus on the surface is called ___________________.

• Epicenter

• Hypocenter

__________is a thin zone of crushed rock separating blocks of the earth's crust.

An instrument used to detect and record earthquakes is called _______________.

Tags

NGSS.MS-ESS3-2

_______________is a measure of the “size,” or amplitude, of the seismic waves generated by an earthquake source and recorded by seismographs.

• magnitude

• intensity

Tags

NGSS.MS-PS4-2

_________________is a number (written as a Roman numeral) describing the severity of an earthquake in terms of its effects on the earth's surface and on humans and their structures.

• magnitude

• intensity

__________is a measure of the strength of earthquakes, developed by Charles F. Richter and presented in his landmark 1935 paper, where he called it the "magnitude scale".

Which of the following is NOT a cause of an earthquake?

• Collapse of Cavern

• Eruption of Volcano

• Lightning Strikes

• Moving Tectonic Plates

Tags

NGSS.MS-ESS3-2

NGSS.MS-ESS2-3