Slab2 - A Comprehensive Subduction Zone Geometry Model, Halmahera Region

Subduction zones are home to the most seismically active faults on the planet. The shallow megathrust interface of subduction zones host our largest earthquakes, and are the only faults capable of M9+ ruptures. Despite these facts, our knowledge of subduction zone geometry - which likely plays a key role in determining the spatial extent and ultimately the size of subduction zone earthquakes - is incomplete. Here we calculate the three- dimensional geometries of all active global subduction zones. The resulting model - Slab2 - provides for the first time a comprehensive geometrical analysis of all known slabs in unprecedented detail.

Data and Resources

Field Value
accessLevel public
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identifier http://datainventory.doi.gov/id/dataset/usgs-5aa3156fe4b0b1c392ea3f01
metadata_type geospatial
modified 2020-08-18T00:00:00Z
old-spatial 117.0, -2.0, 130.0, 12.0
publisher U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash 6c91187c750cceb478f506a6fbc27af0199cf5584f46da72b7d9567ef02c9082
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spatial {"type": "Polygon", "coordinates": [[[117.0, -2.0], [117.0, 12.0], [ 130.0, 12.0], [ 130.0, -2.0], [117.0, -2.0]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • earth-science
  • earthquake-hazard
  • earthquake-hazards-program
  • ehp
  • geologic-hazards-science-center
  • ghsc
  • large-earthquake-ruptures
  • shallow-megathrust-interface
  • subduction-zone
  • subduction-zone-geometry-model
  • usgs
  • usgs-5aa3156fe4b0b1c392ea3f01
isopen False
license_id notspecified
license_title License not specified
maintainer Gavin Hayes
maintainer_email ghayes@usgs.gov
metadata_created 2025-09-24T19:27:57.490721
metadata_modified 2025-09-24T19:27:57.490730
notes Subduction zones are home to the most seismically active faults on the planet. The shallow megathrust interface of subduction zones host our largest earthquakes, and are the only faults capable of M9+ ruptures. Despite these facts, our knowledge of subduction zone geometry - which likely plays a key role in determining the spatial extent and ultimately the size of subduction zone earthquakes - is incomplete. Here we calculate the three- dimensional geometries of all active global subduction zones. The resulting model - Slab2 - provides for the first time a comprehensive geometrical analysis of all known slabs in unprecedented detail.
num_resources 2
num_tags 20
title Slab2 - A Comprehensive Subduction Zone Geometry Model, Halmahera Region