Millions of people live in areas threatened by volcanic eruptions and earthquakes. Some reasons include fertile soil from volcanic ash makes the land ideal for profitable farming. Tourism to volcanic areas provides opportunities to establish businesses like hotels, generating income. Volcanic regions are also rich in mineral deposits, attracting companies and people to extract resources. Additionally, land is relatively inexpensive, sometimes forcing poorer people to settle there. However, volcanic activity can also release harmful gases and injure or kill large numbers of people.