Radience Gaming

Earthquakes

Science

Watch Lesson: Earthquakes

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a smaller earthquake that follows a bigger one

A Smaller Earthquake That Follows A Bigger One.

Aftershock

Aftershock Simple Definition

a sudden shaking of rock in the Earth's crust

A Sudden Shaking Of Rock In The Earth's Crust.

Earthquake

Earthquake Simple Definition

the point directly above the focus of an earthquake, on Earth’s surface

The Point Directly Above The Focus Of An Earthquake, On Earth’s Surface.

Epicenter

Epicenter Simple Definition

a break in Earth's crust along which rocks move

A Break In Earth's Crust Along Which Rocks Move.

Fault

Fault Simple Definition

the underground point where an earthquake starts

The Underground Point Where An Earthquake Starts.

Focus

Focus Simple Definition

the shaking during an earthquake which makes wet soil act like a liquid

The Shaking During An Earthquake Which Makes Wet Soil Act Like A Liquid.

Liquefaction

Liquefaction Simple Definition

the strength of an earthquake

The Strength Of An Earthquake.

Magnitude

Magnitude Simple Definition

a measure of the intensity of, and damage caused by an earthquake

A Measure Of The Intensity Of, And Damage Caused By An Earthquake.

Mercalli Scale

Mercalli Scale Simple Definition

a scale of the energy released by an earthquake

A Scale Of The Energy Released By An Earthquake.

Moment Magnitude Scale

Moment Magnitude Scale Simple Definition

a break in rock caused by tension forces, which causes rocks to slide downward

A Break In Rock Caused By Tension Forces, Which Causes Rocks To Slide Downward.

Normal Fault

Normal Fault Simple Definition

a seismic wave that vibrates rock particles in the direction that it travels

A Seismic Wave That Vibrates Rock Particles In The Direction That It Travels.

Primary Wave

Primary Wave Simple Definition

a fault caused by compression, which pushes rock upwards

A Fault Caused By Compression, Which Pushes Rock Upwards.

Reverse Fault

Reverse Fault Simple Definition

a measurement of earthquake magnitude, based on seismic wave size

A Measurement Of Earthquake Magnitude, Based On Seismic Wave Size.

Richter Scale

Richter Scale Simple Definition

a seismic wave that moves the ground up and down

A Seismic Wave That Moves The Ground Up And Down.

Secondary Wave

Secondary Wave Simple Definition

an area of few recent earthquakes, but with a history of strong quakes

An Area Of Few Recent Earthquakes, But With A History Of Strong Quakes.

Seismic Gap

Seismic Gap Simple Definition

an energy wave caused by an earthquake

An Energy Wave Caused By An Earthquake.

Seismic Wave

Seismic Wave Simple Definition

a record of seismic waves produced by a seismograph

A Record Of Seismic Waves Produced By A Seismograph.

Seismogram

Seismogram Simple Definition

an instrument that records seismic waves

An Instrument That Records Seismic Waves.

Seismograph

Seismograph Simple Definition

the force of an object pressing, pushing, or pulling on another object

The Force Of An Object Pressing, Pushing, Or Pulling On Another Object.

Stress

Stress Simple Definition

a break in rock where the two blocks move sideways, with little vertical movement

A Break In Rock Where The Two Blocks Move Sideways, With Little Vertical Movement.

Strike Slip Fault

Strike Slip Fault Simple Definition

a seismic wave that moves on a surface, it causes both up-and-down and side-to-side movement

A Seismic Wave That Moves On A Surface, It Causes Both Up-and-down And Side-to-side Movement.

Surface Wave

Surface Wave Simple Definition

a huge wave caused by an underwater earthquake

A Huge Wave Caused By An Underwater Earthquake.

Tsunami

Tsunami Simple Definition

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