{"action":"create","ckan_id":null,"date_created":"Sat, 28 Feb 2026 21:06:31 GMT","date_finished":null,"harvest_job_id":"66469994-fc2a-4982-85ff-e4734a346493","harvest_source_id":"31f41541-38a0-400b-b240-10ebcb0acd9a","id":"26deb9ce-039d-49d6-9456-b3207466aac8","identifier":"https://dggs.alaska.gov/webpubs/metadata/PIR2025-1.xml","parent_identifier":null,"source_hash":"b954f6c52920b2bd5c96a57667f223106a8e489e35e70807f2e498173f5a95e5","source_raw":"Bull, K.F.Staley, D.M.2025Surficial-geologic and structural map of the Maynard Mountain landslide, Seward D-5 Quadrangle, southcentral AlaskageodatabasePreliminary Interpretive ReportPIR 2025-1Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys1 sheet, scale 1:5,000https://doi.org/10.14509/31430Surficial-geologic and structural map of the Maynard Mountain landslide, Seward D-5 Quadrangle, southcentral Alaska, Preliminary Interpretive Report 2025-1, presents a geologic map of the Maynard Mountain landslide, a large, slow-moving mass identified on the southeast slopes of Maynard Mountain, approximately 3.5 km WNW of Whittier, Alaska. The landslide was one of 43 newly recognized features revealed through satellite remote sensing analysis in the Prince William Sound region (Schaefer et al., 2024). Eleven of these landslides pose potential hazards to infrastructure and communities, including tsunami generation. While satellite data confirmed slow deformation of the Maynard Mountain landslide, it did not resolve its size, volume, failure mechanism, or likelihood of rapid failure. This geologic map addresses that gap by delineating surficial features, structural geology, and geomorphic indicators that inform assessments of landslide depth, extent, movement history, and potential hazard. The mapped features provide a foundation for future modeling, monitoring, and risk mitigation efforts in the region. The dataset contains geologic, structural, stratigraphic, and geochronologic data organized according to the GeMS and AK GeMS mapping schemas. The complete report, geodatabase, and ESRI fonts and style files are available from the Alaska Division of Geological & Geophysical Surveys website: http://doi.org/10.14509/31430.This map provides a detailed surficial-geologic and structural interpretation of the Maynard Mountain landslide in the Seward D-5 Quadrangle, southcentral Alaska. It supports hazard assessment by delineating geologic and geomorphic features that inform estimates of landslide size, depth, movement history, and potential failure mechanisms. The map addresses gaps identified in recent satellite remote sensing analyses and serves as a foundational dataset for future modeling, monitoring, and risk mitigation efforts in the Prince William Sound region.This geodatabase is organized according to the AK GeMS mapping schema Hendricks, M.D., Macpherson, A.E., Athey, J.E., Wyatt, W.C., Montayne, Simone, Buchanan, Wes, Rivera, P.G., and Steinleitner, A.M., 2024, AK GeMS data dictionary: A description of the Alaska geologic mapping schema: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication 170 v. 2, 13 p. https://doi.org/10.14509/31172. The distribution package includes ESRI fonts and style files, along with usage instructions. Further documentation of the symbology is provided by Ekberg, P.G., Hendricks, M.D., and Athey, J.E., 2021, AK GeMS symbology: A description of the AK GeMS style file: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication 169, 7 p. https://doi.org/10.14509/3058420122025ground conditionCompleteNone planned-148.761843-148.71726360.80220460.781603ISO 19115 Topic CategorygeoscientificInformationAlaska Division of Geological & Geophysical SurveysAlluviumBedrockColluviumDebris FlowDebris Flow DepositDGGSFault DisplacementFaultingFaultsGeMS DB L3 CompliantGeMS DB v2Geologic HazardsGeological ProcessGeologyGeomorphologyGlacialGlacial DepositsGlacial IceGlacial TillGlaciersHazardsIceIgneousIgneous RocksIntrusiveLandslideLandslide DepositsMass Flow DepositsMass-MovementMorainesMudstoneRiver DepositsRocksSandstoneSedimentSedimentarySedimentary MaterialSlopeSlope DepositsSTATEMAP ProjectSurficialTalusTillTurbiditesVolcanicAlaska Division of Geological & Geophysical SurveysAnchorage Mining DistrictChugach MountainsMaynard MountainPassage CanalPrince William Sound Mining DistrictSouthcentral AlaskaAlaska Division of Geological & Geophysical SurveysSurficial DepositsValdez GroupWalker, J.D., Geissman, J.W., Bowring, S.A, and Babcock, L.E., comp., 2012, Geologic Time Scale v. 4.0: Geological Society of AmericaCampanianHoloceneMaastrichtianQuaternaryThis report, map, and/or dataset is available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below).Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. The user specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.Alaska Division of Geological & Geophysical SurveysMetadata Managermailing and physical
3354 College Road
FairbanksAK99709-3707USA(907)451-5020(907)451-5050dggspubs@alaska.gov8 am to 4:30 pm, Monday through Friday, except State holidaysPlease view our website (https://www.dggs.alaska.gov) for the latest information on available data. Please contact us using the e-mail address provided above when possible.We would like to thank Dr. Jeff Coe for his mapping inspiration and the thorough and constructive review. Geologic mapping was funded by the U.S. Geological Survey National Cooperative Mapping\r\nProgram, award numbers G12AC20187, 2012. Ally M. Steinleitner implemented final database quality control and packaging. Geologic map conversion to the GeMS standard was funded by the USGS National Cooperative Geologic Mapping Program under STATEMAP award number G21AC10706, 2022, and the State of Alaska General Fund. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Government.Benowitz, J.A.Layer, P.W.Wypych, AlicjaFreeman, L.K.201740Ar/39Ar ages of rocks collected from the Passage Canal area, Seward D-7 Quadrangle, AlaskaRaw Data FileRDF 2017-4Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys6 phttps://doi.org/10.14509/29721Freeman, L.K.Montayne, SimoneWypych, Alicja2017Major-oxide and trace-element geochemical data from rocks collected near Panorama Mountain, Mile 104 Seward Highway, Crow Pass, and Whittier, AlaskaRaw Data FileRDF 2017-12Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys4 phttps://doi.org/10.14509/29725Gillis, R.J.O'Sullivan, P.B.2024Apatite fission-track ages for the Valdez Group and the Passage Canal and the Billings plutons from the Passage Canal area of Prince William Sound, AlaskaRaw Data FileRDF 2024-30Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys7 phttps://doi.org/10.14509/31428Gillis, R.J.O'Sullivan, P.B.Donelick, R.A.2024Zircon U-Pb ages of the Valdez Group and the Passage Canal and Billings plutons from the Passage Canal area of Prince William Sound, AlaskaRaw Data FileRDF 2024-29Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys13 phttps://doi.org/10.14509/31427Hubbard, T.D.Wolken, G.J.Stevens, D.S.P.Combellick, R.A.2013High-resolution lidar data for the Whittier area, Passage Canal, and Portage Lake, AlaskaRaw Data FileRDF 2013-3Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys5 phttps://doi.org/10.14509/24976Nicolsky, D.J.Suleimani, E.N.2018Potential maximum permanent flooding, Whittier, AlaskaReport of InvestigationRI 2011-7BFairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys1 sheet, scale 1:6,500https://doi.org/10.14509/30110Nicolsky, D.J.Suleimani, E.N.Combellick, R.A.Hansen, R.A.2011Tsunami inundation maps of Whittier and western Passage Canal, AlaskaReport of InvestigationRI 2011-7Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys65 p., 4 sheets, scale 1:14,000https://doi.org/10.14509/23244Nicolsky, D.J.Wolken, G.J.Combellick, R.A.Hansen, E.2011APPENDIX B: Potential rockfall-generated tsunami at Whittier, AlaskaReport of InvestigationRI 2011-7AFairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveysp. 57-65https://doi.org/10.14509/23283Schaefer, L.N.Kim, JinwookStaley, D.M.Lu, ZhongBarnhart, K.R.2024Satellite interferometry landslide detection and preliminary tsunamigenic plausibility assessment in Prince William Sound, southcentral AlaskaOpen-File ReportOF 2023-1099United StatesU.S. Geological Survey22 phttps://dggs.alaska.gov/pubs/id/31394Wolken, G.J.Balazs, M.S.2014Inventory and preliminary assessment of geologic hazards in the Passage Canal-Portage Valley area, south-central AlaskaPreliminary Interpretive ReportPIR 2014-1Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys15 phttps://doi.org/10.14509/27302Zechmann, J.M.Wikstrom Jones, K.M.Wolken, G.J.2024Lidar-derived elevation for Maynard Mountain, southcentral Alaska, collected July 29, 2022Raw Data FileRDF 2024-11Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys11 phttps://doi.org/10.14509/31173Attribute fields within each feature class are populated using the map symbology and corresponding applicable values from the GeMS and AK GeMS specifications. When known, certainty in attribute interpretation is indicated in the relevant fields. Attribute accuracy varies throughout the map and is scale-dependent.All polygon features were topologically validated according to the AK GeMS geologic mapping schema specifications.This publication is a DGGS Preliminary Interpretive Report (PIR). A PIR provides timely release of maps and reports with a preliminary interpretation of geology or analytical data. Several scientists familiar with the geology of map area reviewed this product for general readability and logical consistency, but it has not undergone technical peer review.Certainty in feature boundaries or location varies throughout the map. Data fields within each feature class and the accompanying orientation and location confidence lookup tables record the authors' degree of confidence in the location of applicable features.Ekberg, P.G.Hendricks, M.D.Athey, J.E.2021AK GeMS symbology: A description of the AK GeMS style fileMiscellaneous PublicationMP 169Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys7 phttps://doi.org/10.14509/30584paper2021publication dateEkberg, P.G. and others, 2021GIS analysis and digital cartographyHendricks, M.D.Ekberg, P.G.Athey, J.E.Wyatt, W.C.Willingham, A.L.Naibert, T.J.2021AK GeMS data dictionary: A description of the Alaska geologic mapping schemaMiscellaneous PublicationMP 170Fairbanks, Alaska, United StatesAlaska Division of Geological & Geophysical Surveys10 phttps://doi.org/10.14509/30669paper2021publication dateHendricks, M.D. and others, 2021GIS analysis and digital cartographyU.S. Geological Survey National Cooperative Geologic Mapping Program2020GeMS (Geologic Map Schema) - A standard format for the digital publication of geologic mapsTechniques and MethodsTM 11-B10United StatesU.S. Geological Survey1 phttps://dggs.alaska.gov/pubs/id/30585paper2020publication dateU.S. Geological Survey National Cooperative Geologic Mapping Program, 2020GIS analysis and digital cartographyGeologic mapping - Fieldwork for this map was conducted over eight days in 2012, with additional site assessments carried out during two subsequent field seasons. Outcrops were accessed by helicopter, road, and trail. The mapping focused on delineating surficial geologic features, structural elements, and geomorphic indicators of the Maynard Mountain landslide.2014GIS analysis and digital cartography - This data distribution package's geologic and geographic features were organized and attributed according to the AK GeMS geologic mapping schema. The legacy data were programmatically transformed to provide download options in three formats: (1) an AK GeMS data package that includes the complete AK GeMS database and associated files, (2) a GeMS data package that is a conversion of the AK GeMS database into the base GeMS standard published by the USGS, and (3) a shapefile data package that includes two simple shapefile representations of the data.Ekberg, P.G. and others, 2021Hendricks, M.D. and others, 2021U.S. Geological Survey National Cooperative Geologic Mapping Program, 20202025vectorUniversal Transverse Mercator60.999600-1470500000.0000000coordinate pair.00000001.00000001MetersNAD83GRS 806378137298.257222101maynard_mnt_ak_gems_dbGeodatabase, layer files, style files, and fontsDGGSmaynard_mnt_ak_gems_dbmaynard_mnt_gems_dbGeodatabase, layer files, style files, and fontsDGGSmaynard_mnt_gems_dbmaynard_mnt_gems_geopackageSQLite Database fileDGGSmaynard_mnt_gems_geopackagemaynard_mnt_gems_shapefileShapefiles and open data filesDGGSmaynard_mnt_gems_shapefileAlaska Division of Geological & Geophysical SurveysMetadata Managermailing and physical
3354 College Road
FairbanksAK99709-3707USA(907)451-5020(907)451-5050dggspubs@alaska.gov8 am to 4:30 pm, Monday through Friday, except State holidaysPlease view our website (https://www.dggs.alaska.gov) for the latest information on available data. Please contact us using the e-mail address provided above when possible.PIR 2025-1The State of Alaska makes no expressed or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.DGGS publications are available as free online downloads or you may purchase paper hard-copies or digital files on CD/DVD or other digital storage media by mail, phone, fax, or email from the DGGS Fairbanks office. To purchase this or other printed reports and maps, contact DGGS by phone (907-451-5020), e-mail (dggspubs@alaska.gov), or fax (907-451-5050). Payment accepted: Cash, check, money order, VISA, or MasterCard. Turnaround time is 1-2 weeks unless special arrangements are made and an express fee is paid. Shipping charge will be the actual cost of postage and will be added to the total amount due. Contact us for the exact shipping amount.Contact DGGS for current pricinggeodatabasegeologic maphttps://doi.org/10.14509/31430Free download20251027Alaska Division of Geological & Geophysical SurveysSimone MontayneMetadata Managermailing and physical
3354 College Road
FairbanksAK99709-3707USA(907)451-5020(907)451-5050dggspubs@alaska.gov8 am to 4:30 pm, Monday through Friday, except State holidaysFGDC Content Standard for Digital Geospatial MetadataFGDC-STD-001-1998If the user has modified the data in any way they are obligated to describe the types of modifications they have performed in the supporting metadata file. User specifically agrees not to imply that changes they made were approved by the Alaska Department of Natural Resources or Division of Geological & Geophysical Surveys.https://dggs.alaska.gov/metadata/dggs.extdggs metadata extensions","source_transform":null,"status":"error"}