Inner core crust mantle outer core. reverse fault.

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inner core crus t mantl e outer core

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Transcript of Inner core crust mantle outer core. reverse fault.

Page 1: Inner core crust mantle outer core. reverse fault.

inner coreinner core

crust

crust

mantle

mantle

outer coreouter core

Page 2: Inner core crust mantle outer core. reverse fault.
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reverse fault

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normal fault

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strike-slip fault

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thrust or reverse fault

thrust or reverse fault

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normal faultnormal fault

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strike-slip faultstrike-slip fault

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P WavesP Waves

push and pull motionfastest-moving wavestravel in straight pathmove through solid and liquid material

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move in up-and-down zigzag patternmove more slowly than P wavescannot travel through liquid material

S WavesS Waves

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P waveP wave

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S waveS wave

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Love waveLove wave

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Rayleigh waveRayleigh wave

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Mercalli Richtermeasures magnitude

measures destruction

based on man’s observations

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2.0 - 2.92.0 - 2.9

4.0 - 4.94.0 - 4.9

5.0 - 5.95.0 - 5.9

6.0 - 6.96.0 - 6.9

7.0 - 7.97.0 - 7.9

8.0 - 8.98.0 - 8.9

3.0 - 3.93.0 - 3.9

Richter Scale EffectsRichter Scale Effects

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magma chambermagma chamber

ventvent

lavalava

ashash

sideventsidevent

cratercrater

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ClassifyingVolcanoesClassifyingVolcanoes

by shapeby shape

by type of eruption

by type of eruption

by how often they erupt

by how often they erupt

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by shapeby shape

cinder cone

cinder cone

shieldshield

composite cone

composite cone

hill-shaped with a bowl-like crater

hill-shaped with a bowl-like crater

upside-down-saucer-shaped

upside-down-saucer-shaped

symmetrical, cone-shapedsymmetrical, cone-shaped

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shield volcanoshield volcano

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cinder cone volcanocinder cone volcano

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composite cone volcanocomposite cone volcano

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shieldshield

cinder conecinder cone

composite conecomposite cone

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by how often they erupt

by how often they erupt

extinctextinctdormantdormant

activeactive

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activeactive• has erupted during

recorded history• is expected to erupt

again

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dormantdormant• erupted in distant past• not expected to erupt

again

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extinctextinct• does not have a

recorded eruption• is not expected to

erupt

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by type of eruption

by type of eruption

PlinianPlinianPeleanPelean

VulcanianVulcanianavalanche of

red-hot dust and gases;

pyroclastic flow

avalanche of red-hot dust and

gases; pyroclastic flow

violent, loud explosion of lava, ashes, cinders,

and gases

violent, loud explosion of lava, ashes, cinders,

and gases

most powerful eruption,

spewing lava, gas, and dust

into atmosphere

most powerful eruption,

spewing lava, gas, and dust

into atmosphereHawaiian/

StrombolianHawaiian/

Strombolian

quiet, runny lava; little or no cinder, ash, or

steam

quiet, runny lava; little or no cinder, ash, or

steam


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