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For additional information, please refer to complete metadata at https://files.hawaii.gov/dbedt/op/gis/data/vhzones.pdf or contact Hawaii Statewide GIS Program, Office of Planning and Sustainable Development, State of Hawaii; PO Box 2359, Honolulu, Hi. 96804; (808) 587-2846; email: gis@hawaii.gov; Website: https://planning.hawaii.gov/gis.", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 102202, "latestWkid": 3750 }, "copyrightText": "United States Geological Survey (USGS)", "parentLayer": { "id": 0, "name": "Hazards" }, "subLayers": [], "minScale": 0, "maxScale": 0, "drawingInfo": { "renderer": { "type": "uniqueValue", "field1": "hzone", "field2": null, "field3": null, "defaultSymbol": null, "defaultLabel": null, "uniqueValueInfos": [ { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 132, 0, 168, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "1", "label": "1 (Highest Risk)", "description": "" }, { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 230, 0, 0, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "2", "label": "2", "description": "" }, { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 255, 127, 127, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "3", "label": "3", "description": "" }, { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 255, 170, 0, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "4", "label": "4", "description": "" }, { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 255, 255, 0, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "5", "label": "5", "description": "" }, { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 255, 237, 190, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "6", "label": "6", "description": "" }, { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 122, 171, 0, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "7", "label": "7", "description": "" }, { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 205, 245, 201, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "8", "label": "8", "description": "" }, { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 233, 255, 190, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 3 } }, "value": "9", "label": "9 (Lowest Risk)", "description": "" } ], "fieldDelimiter": "," }, "transparency": 0, "labelingInfo": null }, "defaultVisibility": false, "extent": { "xmin": 807993.0208, "ymin": 2094231.1251999997, "xmax": 940279.4545, "ymax": 2244327.0358000007, "spatialReference": { "wkid": 102202, "latestWkid": 3750 } }, "hasAttachments": false, "htmlPopupType": "esriServerHTMLPopupTypeAsHTMLText", "displayField": "hzone", "typeIdField": null, "subtypeFieldName": null, "subtypeField": null, "defaultSubtypeCode": null, "fields": [ { "name": "objectid", "type": "esriFieldTypeOID", "alias": "objectid", "domain": null }, { "name": "vhzones_id", "type": "esriFieldTypeInteger", "alias": "vhzones_id", "domain": null }, { "name": "hzone", "type": "esriFieldTypeString", "alias": "hzone", "length": 50, "domain": { "type": "codedValue", "name": "HZones", "description": "Volcano Hazard Zone", "codedValues": [ { "name": "Summits and rift zones of Kilauea and Mauna Loa, where vents have been repeatedly active in historic time. Boundaries are defined by eruptive fissures, cinder cones, pit craters, and graben and caldera faults. Zone 1 is where lava flows originate", "code": "1" }, { "name": "Areas adjacent to and downslope from Zone 1. Fifteen to twenty-five percent of Zone 2 has been covered by lava since 1800, and 25-75 has been covered within the last 750 years. The relative hazard within Zone 2 decreases gradually as one moves away from Zone 1", "code": "2" }, { "name": "Areas gradationally less hazardous than Zone 2 because of greater distance from recently active vents and/or because the topography makes it less likely that flows will cover these areas. One to five percent of Zone 3 has been covered since 1800, and 15-75 oercent has been covered within the last 750 years", "code": "3" }, { "name": "Includes all of Hualalai. Moore and others (1987) estimate that large eruptions reach the ocean about once every 300 years, a recurrence interval significantly lower than for either Kilauea or Mauna Loa. Lave coverage is proportionally smaller, about 5 percent since 1800, and less than 15 percent within the last 750 years", "code": "4" }, { "name": "An area on Kilauea currently protected from rift- or summit-derived lava flows by north-facing fault scarps, south of Kilauea summit", "code": "5" }, { "name": "Two areas on Mauna Loa, both protected from rift- or summit-derived lava flows. The area south of Mauna Loa summit is analogous to Kilauea's Zone 5. The northwest flank of Mauna Loa is also protected from eruptions originating on the summit or rift, but three eruptions have originated hight on this flank in the last two centuries. Thus we have included the northwest flank in Zone 3. The area near the south point of the island is protected from southwest rift zone eruptions by a completely faulted topography. The lava underlying this Zone 6 are all older than 4,000 years", "code": "6" }, { "name": "The younger part of the dormant volcano Mauna Kea. 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