Seward, Alaska 3 arc-second DEM

The 3 arc-second Seward Alaska Elevation Grid provides bathymetric data in ASCII raster format of 2.67-second resolution in geographic coordinates. This grid is strictly for tsunami inundation modeling

Data and Resources

Field Value
accessLevel public
accrualPeriodicity irregular
bureauCode {006:48}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier gov.noaa.ngdc.mgg.dem:516
language {en-US}
modified 2002-01-01
old-spatial {"type": "Polygon", "coordinates": [[[-149.5, 59.87], [-149.25, 59.87], [-149.25, 60.17], [-149.5, 60.17], [-149.5, 59.87]]]}
programCode {006:059}
publisher NOAA/PMEL/Center for Tsunami Research (NCTR) (Publisher)
resource-type Dataset
source_datajson_identifier true
source_hash 71318b40ab92bb03c939ecd26a2f670d0d4cb153
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-149.5, 59.87], [-149.25, 59.87], [-149.25, 60.17], [-149.5, 60.17], [-149.5, 59.87]]]}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • 2002
  • alaska
  • amerigeo
  • amerigeoss
  • boulder
  • boulder-world-data-center-for-marine-geology-and-geophysics
  • ckan
  • coastal-relief
  • continent-north-america-united-states-of-america-southeast-alaska
  • dem-digital-elevation-model
  • doc-noaa-nesdis-ngdc-national-geophysical-data-center
  • earth-science-oceans-bathymetry-seafloor-topography-bathymetry
  • earth-science-oceans-bathymetry-seafloor-topography-seafloor-topography
  • earth-science-oceans-bathymetry-seafloor-topography-water-depth
  • geo
  • geoss
  • gridded-elevations
  • h-1-meter-30-meters
  • kenai-peninsula
  • national
  • nesdis
  • noaa
  • north-america
  • ocean-pacific-ocean
  • resurrection-bay
  • seward
  • u-s-department-of-commerce
  • united-states
  • v-1-meter
  • vertical-location-land-surface
  • vertical-location-sea-floor
  • wdc-mgg
isopen False
license_id notspecified
license_title License not specified
maintainer NOAA/PMEL/Center for Tsunami Research (NCTR)
maintainer_email oar.pmel.time-support@noaa.gov
metadata_created 2025-11-20T15:14:04.080001
metadata_modified 2025-11-20T15:14:04.080005
notes The 3 arc-second Seward Alaska Elevation Grid provides bathymetric data in ASCII raster format of 2.67-second resolution in geographic coordinates. This grid is strictly for tsunami inundation modeling
num_resources 10
num_tags 32
title Seward, Alaska 3 arc-second DEM