the process of erupting volcano

Volcano eruption is an event that occurred due to sediment in the bowels of the earth's magma is pushed out by high-pressure gas.

Magma is liquid filament contained in a layer of earth with a very high temperature, which is estimated at more than 1,000 ° C. The liquid magma out of the earth is called lava. The temperature of lava issued could reach 700-1200 ° C. Volcanic eruptions that brought rock and ash can be sprayed as far as a radius of 18 km or more, while the lava to flood so far 90 km radius.

Not all volcanoes often erupt. Volcanoes are often called active volcanoes erupting.



The characteristics of a volcano will erupt

Volcano will erupt can be known through several signs, including

* The temperature in the vicinity of the mountain ride.
* eyes water into dry
* Often rumbling noise, sometimes accompanied by vibration (earthquake)
* Plants wilt around the mountain
* Animals migrate around the mountain

Volcano Types

1. Cone volcanoes or strato volcanoes (strato Vulcano)
2. Shield volcanoes (shield volcano)
3. Maar volcano