Volcanoes are definitely one of the most fascinating land forms that can be seen on the face of the earth. These volcanoes are formed after years of plate shifting and/or moving. However, the magnificence of the appearance of volcanoes is not the only thing that makes them interesting. In fact, it is what these volcanoes can do that makes them very extraordinary. We already know what these volcanoes are capable of doing. It may look majestic from afar, but it is definitely a disaster if we are near one. This made a lot of people question, how does a volcano erupt?
A volcano basically erupts due to the different factors that are mostly found beneath the land formation. This includes high pressure coming from increased temperatures that are built up under the earth’s crust. Because of this extreme heat, rocks found underneath begin to melt and eventually turn into a liquid form, which is known as magma. This magma will now try to push itself upwards or over the earth’s crust since the density found on top of the crust is lesser as to compare to the one under it. Because of this constant force to push itself upward, the magma will be able to seep through small cavities found in the earth’s crust, which will become river-like formations. These are now called as the magma chambers. As soon as these chambers are filled with pressure from the magma, gasses will also be emitted, which is also a huge factor for a volcano to erupt. This is because as the different gasses coming from the magma accumulates in the small chambers, the rocks will eventually be pushed upwards causing the volcano to erupt. Nevertheless, if there are no enough gasses produced by the magma, it is most likely the volcano will not erupt.
Aside from the pressure, increased temperature and gasses, water measurement also plays a pivotal role in determining whether or not a particular volcano will blow. If there is too much water content found along with the magma, more production of gas is possible since water has a lower boiling point and it can also turn into gas in no time. If this happens, steam coming from the water will add up to a violent eruption. On the other hand, if the water content is low, the magma will only seep out of the earth’s crust and will turn into lava.
These are basically some of the factors that are considered in order to determine how a volcano erupts. Basing on these facts, we can clearly see that volcanic eruptions are definitely one of the most violent catastrophes that nature can offer.