Volcanoes Have you ever seen a volcano erupt? How about this. Do you know how a volcano erupts?
A volcano erupts when magma down in the volcano makes it's way up to the main vent. Then the magma gets out of the volcano. Once the magma is out of the volcano and flowing on the outside of the volcano, the magma is now called lava.
Volcanologist Volcanologist study volcanoes. They use many tools, including tools that are used for earthquakes and tools that measure ground deformation.
Advantages and Disadvantages A volcanologist has many advantages. Like that they get to go extremely close up to a volcano, and they get to study volcanoes. But volcanologists also have some disadvantages. A disadvantage is that you could get seriously injure or maybe even killed exploring a volcano, and it take hours to study.