Volcanoes. What is it?? It is... an opening, or rupture, in the Earth's surface or crust, which...
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Transcript of Volcanoes. What is it?? It is... an opening, or rupture, in the Earth's surface or crust, which...
VolcanoesVolcanoes
What is it??What is it??
It is...It is...
• an opening, or rupture, in the Earth's surface or crust, which allows hot melted rock, volcanic ash and gases to escape from below the surface.
Why does it look like a mountain?Why does it look like a mountain?
• 1. Magma chamber• 2. Bedrock• 3. Conduit (pipe)• 4. Base• 5. Sill• 6. Branch pipe• 7. Layers of ash emitted by the
volcano• 8. Flank• 9. Layers of lava emitted by the
volcano• 10. Throat• 11. Parasitic cone• 12. Lava flow• 13. Vent• 14. Crater• 15. Ash cloud
•Because melted rock of the past explosions became solid and gave the volcano the shape of a mountain.
Volcanoes in ItalyVolcanoes in Italy
Il VesuvioIl Vesuvio
Il VesuvioIl Vesuvio
VesuvioVesuvio• Vesuvio is a mountain shape volcano in
the Gulf of Naples• it is not currently erupting, it is sleeping• Mount Vesuvius is best known for its
eruption in AD 79 that destroyed of the Roman cities of Pompeii and Herculaneum. They were never rebuilt. The towns' locations were rediscovered in the 18th century.
ExplosionsExplosions
• From 79 B. C. up to 1944
• There has been no eruption since 1944, and none of the post-79 eruptions were as large or destructive as the Pompeian one.
Other VolcanoesOther Volcanoes
• The two other major active volcanoes in Italy, Etna and Stromboli, are located on the islands of Sicily and Stromboli respectively.
StromboliStromboli
StromboliStromboli
Where is Stromboli?Where is Stromboli?
EtnaEtna
ETNAETNA
ETNAETNA
Where is Etna?Where is Etna?