Earthquake

Find recent or historic earthquakes, lists, information on selected significant earthquakes, earthquake resources by state, or find web services. Latest Earthquakes.

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Outline

Concept-Map-About-Earthquake

P Waves

- Push and Pull Waves

S waves

- Shake waves

Seismometer

Energy

Focus

- Where the earthquake begins below ground

Richter Scale

- Measures magnitude of earthquake

Moment-Magnitude Scale

- More Reliable than Richter Scale

Magnitude

- How strong the earthquake is

Landforms

- Mountains

- Volcanoes

- Valleys

Tectonic Plates

- Are Earth's Crust

- Float on the mantle

Tremors

Types of Plates Boundaries

Transform Plate Boundary

- This boundary is where plates are sliding pastone another.

Convergent Plate Boundary

- This boundary is where platescollide with each other creatingmountains.

Continental

Oceanic

Seismic Waves

Belt

- Areas where earthquakes occur

Epicenter

- Directly above focus

Plate Margins

- Destructive

- Where on plate goes under another

- Constructive

- When two plates float apart

- Collision

- When two plates crush against each other

- Conservative

- When two plates slide past each otger

Tension