{"id":"S2003006490","label":"Explosive volcanic eruptions","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003006490","normalized_label":"explosive volcanic eruptions","broader":["http://id.loc.gov/authorities/subjects/sh2003006489","http://id.loc.gov/authorities/subjects/sh85046465"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003006490","provider":"lcsh","revision":"a40bca2adc631386","taxonomy_revision":"f050b5d4780b1289","title":"Explosive volcanic eruptions","url":"/topics/S2003006490","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5224391099510301186","address_version":"morton4x16-v1","coordinates":[0,477,36304,26624],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}