Volcanologists are scientists who study volcanoes and volcanic activity. They analyze the processes that lead to eruptions, the materials emitted during eruptions, and the impact of these events on the environment and human life. Their work helps to predict volcanic eruptions and assess risks to nearby communities. These experts use various tools and techniques, including satellite imagery and seismic monitoring, to gather data. By understanding the behavior of volcanoes, they contribute to safety measures and emergency preparedness, ultimately aiming to reduce the dangers associated with volcanic eruptions.