{"thcode":61,"term":{"code":358,"name":"volcanic eruptions","parent":323,"scope":"used for eruptions of lava or ash that cause loss of life, property, or natural resources; disrupt economic activity or transportation; or cause secondary lahars (volcanic mudflows)."},"uf":[{"name":"volcanic activity","usewith":false}],"bt":[{"code":323,"name":"hazards and disasters","parent":268,"scope":"used for natural hazards, the risks they pose to society, and the destructive events that may result."},{"code":268,"name":"hot topics","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":733,"name":"volcanology","parent":711,"scope":"the study of volcanoes and their eruptive products."}]}