{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "U.S. Geological Survey, Alaska Science Center", "hasEmail": "mailto:gs-ak_asc_datamanagers@usgs.gov"}, "description": "This USGS Data Release presents major-oxide glass geochemical results from tephras erupted form Alaska volcanoes. This data set is in support of volcano hazard studies by the Alaska Volcano Observatory (AVO) where tephra (volcanic ash) deposits are used to assess eruption frequency, magnitude, and character of eruption. These data are part of a larger effort to identify and characterize tephra deposits from Alaskan volcanoes and the data set will continue to grow (versioned) as new data are generated.", "distribution": [{"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.ASC190.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}, {"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9PFQGVC", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_ASC190", "keyword": ["Aleutian Islands", "Sedanka Island", "Driftwood Bay", "GeoScientificInformation", "Tephra deposits", "Stardust Bay", "Sediment chemistry", "Geochemistry", "Tsunamis", "Earth science", "Fox Islands", "Land surface", "Nikolski", "Volcanology", "Umnak Island", "Erosion/sedimentation", "Deposition", "USGS:ASC190", "Alaska", "Beach deposits"], "modified": "2018-06-04T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-168.8, 52.94, -166.0, 53.8", "theme": ["geospatial"], "title": "Alaska Tephra Data, 2018"}