Volcanic+eruption

=__Volcanics eruption focus questions__=

= =


 * __1. What causes a volcano?__**
 * **The magma excapes out of the magma chamber and then turns into lava and the volcano explodes**
 * **Density and pressure**
 * **By the expansion of gas**
 * **Volcanoes occur in hotspots where the earths crust is thin**
 * 2. __What significant volcanoes and those caused by humans have occurred in recent times and where?__**
 * **Mount Pinatuba, Phillipines 1991**
 * **European space Agency's mars 2004 Dec 23rd.**


 * 3. __How do volcanoes affect the community where they occur?__**
 * **Houses, buildings, roads and fields can get covered with ash.**
 * **Lava can certainly run over houses, roads, and any other structures.**
 * 4. __What assistance is availble to people following a volcano?__**
 * **There can be donatoins of food or money from the public.**
 * **Surving houses can be used as selters, and so can camps, emergancy shelters and abandend houses.**


 * 5. __How can volcanoes be prevented and their effects reduced?__**
 * **Evacuate people at the first sign of eruption.**
 * **Just don't build towns near volcanoes.**