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Airborne lidar survey of St Vincent, Eastern Caribbean, following the 2020-21 eruption of La Soufrière Volcano

Metadata Updated: November 26, 2025

La Soufrière Volcano is a 1,220 m high stratovolcano that occupies the northern half of the island of St. Vincent, Lesser Antilles, Eastern Caribbean. It has a long history of explosive and sometimes devastating eruptions. Beginning in December 2020 and ending in April 2021, La Soufrière Volcano produced a Volcano Explosivity Index (VEI) 4 eruption that greatly impacted the landscape, communities, and infrastructure on the island of St. Vincent. The eruption produced intense ash plumes, heavy ashfall, and pyroclastic flows down several river valleys. During and following the eruption, destructive lahars (volcanic mudflows) impacted rivers valleys and coastal communities for months. The USGS-USAID Volcano Disaster Assistance Program (VDAP) provided remote assistance to our partners at the University of the West Indies Seismic Research Center (UWI-SRC) throughout the eruption, predominantly through satellite remote sensing observations. Following the eruption, VDAP contracted the acquisition of airborne lidar of the entire island to support our partners throughout the Eastern Caribbean to study the eruption’s impacts, assist in recovery and planning efforts, hazards modeling, and various other scientific investigations. This data release contains the results of this survey that include 0.6 m and 1 m resolution bare-earth digital elevation models (DEMs) and associated shaded-relief rasters of the island of St. Vincent. The DEMs cover approximately 400 square kilometers and were created from high-precision airborne lidar surveys performed between December 4, 2021-February 17, 2022. Some gaps exist in these data due to persistent, dense cloud cover in this tropical region. A shapefile of building footprints throughout the island is also included in this data release. Classified point cloud tiles and ortho imagery are available upon request.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Created Date September 12, 2025
Metadata Updated Date November 26, 2025

Metadata Source

Harvested from DOI USGS DCAT-US

Additional Metadata

Resource Type Dataset
Metadata Created Date September 12, 2025
Metadata Updated Date November 26, 2025
Publisher U.S. Geological Survey
Maintainer
Identifier http://datainventory.doi.gov/id/dataset/usgs-65baeb12d34e18c6baf2df6c
Data Last Modified 2024-02-28T00:00:00Z
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://ddi.doi.gov/usgs-data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 079c97f1-ffef-4782-9641-31b6e9ab2243
Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
Harvest Source Title DOI USGS DCAT-US
Metadata Type geospatial
Source Datajson Identifier True
Source Hash 90a101ad19c781c67b8a140f4502db98a27e8c554df211dadac849aac7e74b37
Source Schema Version 1.1

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