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NoraResearchLab/gem-global-active-faults

GEM Global Active Faults Database — GeoParquet Quick Links 🤗 Hugging Face dataset: https://huggingface.co/datasets/NoraResearchLab/gem-global-active-faults 💻 GitHub repo: https://github.com/Nora-Research-Lab/gem-global-active-faults 🏢 NORA Research Lab: https://github.com/Nora-Research-Lab Overview A standardized, machine-readable GeoParquet conversion of the GEM Foundation's Global Active Faults Database (GAF-DB) — the first public… See the full description on the dataset page: https://huggingface.co/datasets/NoraResearchLab/gem-global-active-faults.

sourceHugging Facecc-by-sa-4.0updated 25d agoView on Hugging Face
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<h1 align="center">GEM Global Active Faults Database — GeoParquet</h1>

<p align="center"> <a href="https://github.com/Nora-Research-Lab"><img src="https://img.shields.io/badge/GitHub-NORA%20Research%20Lab-181717?style=flat&logo=github" alt="GitHub"></a> <a href="https://huggingface.co/NoraResearchLab"><img src="https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-NoraResearchLab-yellow?style=flat" alt="Hugging Face"></a> <a href="https://www.linkedin.com/company/nora-research-lab"><img src="https://img.shields.io/badge/LinkedIn-NORA%20Research%20Lab-0A66C2?style=flat&logo=linkedin" alt="LinkedIn"></a> <a href="https://x.com/noraresearchlab"><img src="https://img.shields.io/badge/X-@noraresearchlab-000000?style=flat&logo=x" alt="X"></a> </p>

Quick Links

  • —🤗 Hugging Face dataset: https://huggingface.co/datasets/NoraResearchLab/gem-global-active-faults
  • —💻 GitHub repo: https://github.com/Nora-Research-Lab/gem-global-active-faults
  • —🏢 NORA Research Lab: https://github.com/Nora-Research-Lab

Overview

A standardized, machine-readable GeoParquet conversion of the GEM Foundation's Global Active Faults Database (GAF-DB) — the first public, comprehensive, worldwide database of active fault traces, including geometry, kinematics, slip-rate, and reference attributes (~13,500 faults).

This is a representation-only modernization: the original geological content, geometries, and attributes are preserved as published. No fault interpretation, slip-rate estimation, or new geological information is introduced.

Pipeline: Legacy Geospatial Data → Standardization → Modern Format → Validation → Metadata → AI/API Ready

Dataset Details

  • —Coverage: Global
  • —Format: GeoParquet (gem_active_faults.parquet)
  • —CRS: EPSG:4326
  • —Rows: ~13,500 fault traces (exact count set at conversion time — see metadata.json)
  • —Geometry type: LineString / MultiLineString
  • —License: CC BY-SA 4.0

Schema

Field names are standardized to snake_case; original GAF-DB attributes (fault geometry, kinematics, slip rate, slip type, references, notes, etc.) are preserved as published. Full field list and dtypes are in metadata.json.

Source

  • —Publisher: Global Earthquake Model (GEM) Foundation
  • —Original repository: https://github.com/GEMScienceTools/gem-global-active-faults
  • —Citation: Styron, R. and Pagani, M. (2020). The GEM Global Active Faults Database. Earthquake Spectra, 36(1_suppl), 160–180.

Usage

python
import geopandas as gpd
gdf = gpd.read_parquet("gem_active_faults.parquet")

Provenance

Converted with a reproducible pipeline: download → schema standardization → CRS enforcement (EPSG:4326) → geometry validation/repair → GeoParquet export → round-trip validation. See metadata.json for full transformation details and file checksum.

License

CC BY-SA 4.0 — inherited from the original GEM GAF-DB. Attribute the GEM Foundation and the citation above when reusing this dataset.