195 datasets found
-
State
Tsunami inundation maps of Sitka, Alaska 14 recent views
State of Alaska —
The purpose of this study is to evaluate potential tsunami hazards for the community of Sitka. We numerically modeled the extent of inundation from tsunami waves... -
State
Tsunami inundation maps for Skagway and Haines, Alaska 13 recent views
State of Alaska —
In this report we evaluate potential tsunami hazards for the southeastern Alaska communities of Skagway and Haines and numerically model the extent of inundation from... -
State
Historically active volcanoes of Alaska 12 recent views
State of Alaska —
This data lists the historically active volcanoes of Alaska and the year of the last major eruptive event. The volcanoes listed meet at least one of the following... -
State
Volcanic Vents in Alaska 12 recent views
State of Alaska —
Between 1979 and 1982, the Alaska Division of Geological & Geophysical Surveys (DGGS) and the Geophysical Institute, University of Alaska Fairbanks, undertook an... -
State
Surficial geologic map of the Shaktoolik area, Norton Bay Quadrangle, Alaska 12 recent views
State of Alaska —
This 1:50,000 scale geologic map describes the distribution of unconsolidated deposits, identifies local geologic hazards, and provides information about the... -
State
Updated tsunami inundation maps of the Kodiak area, Alaska 10 recent views
State of Alaska —
Staff from Alaska Earthquake Center, Geophysical Institute and Alaska Division of Geological & Geophysical Surveys evaluated potential potential tsunami hazard... -
State
Engineering-geologic map of the Alaska Highway Corridor, Robertson River to Tetlin Junction, Alaska 10 recent views
State of Alaska —
The engineering-geologic map is derived electronically, using Geographic Information System (GIS) software, from the surficial-geologic map of the second segment of... -
State
Geospatial distribution of tephra fall in Alaska: a geodatabase compilation of published tephra fall occurrences from the Pleistocene to the present
State of Alaska —
Tephra fall (volcanic ash) studies are a key component to understanding the frequency and magnitude of volcanic eruptions and conducting volcano-hazard assessments.... -
State
The 2008 phreatomagmatic eruption of Okmok Volcano, Aleutian Islands, Alaska: Chronology, deposits, and landform changes
State of Alaska —
Okmok volcano, Aleutian Islands, Alaska, explosively erupted over a five-week period between July 12 and August 23, 2008. The eruption was predominantly... -
State
Quaternary or Quaternary-Tertiary Volcanic Rocks in Alaska
State of Alaska —
Between 1979 and 1982, the Alaska Division of Geological & Geophysical Surveys (DGGS) and the Geophysical Institute, University of Alaska Fairbanks, undertook an... -
State
High-resolution lidar data for infrastructure corridors, Fairbanks Quadrangle, Alaska
State of Alaska —
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of... -
State
Reconnaissance interpretation of 1978-1981 permafrost, Alaska Highway corridor, Tetlin Junction to Canada border, Alaska
State of Alaska —
During 2009 the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted reconnaissance interpretive mapping of permafrost in Alaska Highway Corridor... -
State
Tsunami inundation maps of Fox Islands communities, including Dutch Harbor and Akutan, Alaska
State of Alaska —
Potential tsunami hazards for the Fox Islands communities of Unalaska/Dutch Harbor and Akutan were evaluated by numerically modeling the extent of inundation from... -
State
Ash fall contour map of the 2009 eruption of Redoubt Volcano, Alaska: Digital shapefiles of contours and sample locations
State of Alaska —
The 2009 eruption of Redoubt Volcano included 19 major tephra-producing explosions. Mass per unit area (MPUA) ash fall sampling of the resulting deposits allowed us... -
State
Preliminary volcano-hazard assessment for Fisher volcano, Unimak Island, Alaska
State of Alaska —
Fisher volcano, containing the largest Holocene caldera in the Aleutian volcanic arc, is an active volcano near the center of Unimak Island, about 120 kilometers... -
State
A Guide to the Late Quaternary History of Northern and Western Kenai Peninsula, Alaska
State of Alaska —
Between 27 and 11 kyr ago, during the last major (Naptowne) glaciation, the northwestern and western Kenai Peninsula and the Cook Inlet trough were covered by ice... -
State
Lidar-derived elevation data for Speel Arm, Southeast Alaska, collected September 7, 2019
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys (DGGS) used aerial lidar to produce a classified point cloud, digital surface model (DSM), digital terrain... -
State
Alaska Coastal Profile Tool (ACPT)
State of Alaska —
Elevation profiles are a type of temporal data that can be used to understand coastal environments, document change and assess vulnerability. The value of these... -
State
Photogrammetric digital surface models and orthoimagery of Vine Road, December 5, 2018
State of Alaska —
The State of Alaska Division of Geological & Geophysical Surveys (DGGS) produced digital surface models (DSMs) and orthorectified aerial imagery (orthoimagery)... -
State
High-resolution lidar data for the Whittier area, Passage Canal, and Portage Lake, Alaska
State of Alaska —
In support of geologic mapping and hazards evaluation in and near Whittier, Alaska, the Division of Geological & Geophysical Surveys (DGGS) acquired, and is...
195 datasets found
