{ "snippet": "Contour lines of the peak ground acceleration zones show a chance of experiencing acceleration (2%, 5%, or 10%) from earthquake-generated ground shaking greater than some fraction of gravity (g) over the next 50 years. (Data source: USGS. Year of data: 2014 & 2023)", "summary": "Contour lines of the peak ground acceleration zones show a chance of experiencing acceleration (2%, 5%, or 10%) from earthquake-generated ground shaking greater than some fraction of gravity (g) over the next 50 years. (Data source: USGS. Year of data: 2014 & 2023)", "extent": [ [ -116.178571148557, 44.2377198161367 ], [ -103.611130160403, 49.1809376530163 ] ], "accessInformation": "", "thumbnail": "thumbnail/thumbnail.png", "maxScale": 1.7976931348623157E+308, "typeKeywords": [ "ArcGIS", "ArcGIS Server", "Data", "Map Service", "Service" ], "description": "Montana peak horizontal acceleration breaklines & zones", "licenseInfo": "", "catalogPath": "", "title": "PeakGroundAcceleration", "type": "Map Service", "url": "", "tags": [ "peak ground acceleration", "Montana", "USGS" ], "culture": "en-US", "portalUrl": "", "name": "PeakGroundAcceleration", "guid": "3A100D8A-17D0-49F1-B0EF-B9F25515C4ED", "minScale": 0, "spatialReference": "WGS_1984_Web_Mercator_Auxiliary_Sphere" }