Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

The U.S. Geological Survey Global Vs30 Mosaic

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: September 04, 2025 | Last Modified: 20250822
This data release provides the global mosaic of the time-averaged shear-wave velocity in the upper 30 m (Vs30) described by Heath and others (2020). This map uses the Wald and Allen (2007) slope-based Vs30 as the basemap, and regional take precedence where they are available.

Complete Metadata

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov