{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Michael P Poland", "hasEmail": "mailto:mpoland@usgs.gov"}, "description": "A campaign microgravity network was established at Lassen Volcanic Center, California, in 2018, and a subset of that network has been measured subsequently on a quasi-annual basis to assess changes in gravity over time that may be related to subsurface magmatic or hydrothermal processes. This data release includes microgravity data collected by the U.S. Geological Survey Volcano Science Center from Lassen Volcanic Center spanning 2018\u20132025, as well as an overview of the project and descriptions of stations in the network.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P13F2BEG", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.69d44535b66b011e6f6e2fb0.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_69d44535b66b011e6f6e2fb0", "keyword": ["Lassen Volcanic National Park", "USGS:69d44535b66b011e6f6e2fb0", "geodesy", "gravimeter measurement", "volcano monitoring"], "modified": "2026-05-07T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-121.60, 40.43, -121.40, 40.55", "theme": ["geospatial"], "title": "Campaign microgravity data from Lassen Volcanic Center, California"}