QuakePing globe and geographic assets

Earthquake catalogue and saved snapshots
United States Geological Survey (USGS) Earthquake Hazards Program.
https://earthquake.usgs.gov/earthquakes/feed/v1.0/geojson.php
The bundled fallback catalogues retain their original generated timestamps.
QuakePing is an independent visualization and is not a USGS alert service.

Typography
DM Sans and Space Grotesk, distributed under the SIL Open Font License 1.1.
Official source URLs, file hashes, and license notices are in the fonts folder:
fonts/SOURCES.txt, fonts/DM-Sans-OFL.txt, fonts/Space-Grotesk-OFL.txt.

Globe.GL 2.46.2
Copyright (c) 2017 Vasco Asturiano. MIT License.
https://github.com/vasturiano/globe.gl
Vendored from the published npm release, with SHA-512 package integrity checked.
The original package license is supplied in globe.gl.LICENSE. The minified
distribution bundles Three.js and other dependencies. Their license notices
are retained in THIRD_PARTY_LICENSES.txt and in the distribution where embedded.
No runtime requests to a JavaScript CDN are required.

Natural Earth 1:110m Land
https://www.naturalearthdata.com/
https://github.com/nvkelso/natural-earth-vector/blob/master/geojson/ne_110m_land.geojson
Public domain. Made with Natural Earth.
Retrieved 2026-10-11. Properties not used by QuakePing were omitted; coordinates
are unchanged. Generalized coastlines are for a world overview.

PB2002 tectonic plate boundaries
Peter Bird, with GIS conversion by Hugo Ahlenius / Nordpil and GeoJSON conversion
by csterling. This dataset is made available under the Open Data Commons
Attribution License (ODC-By) 1.0.
https://github.com/fraxen/tectonicplates
https://opendatacommons.org/licenses/by/1-0/
Bird, P. (2003), An updated digital model of plate boundaries,
Geochemistry, Geophysics, Geosystems, 4(3), 1027, doi:10.1029/2001GC000252.
https://doi.org/10.1029/2001GC000252
Retrieved 2026-10-11. The distributed GeoJSON has been whitespace-minified;
its coordinate values and feature properties are unchanged.
The source collection license notice is supplied in plate-boundaries.LICENSE.md.

Ring of Fire geographic guide: original generalized coordinates authored for QuakePing, informed by USGS This Dynamic Earth (https://pubs.usgs.gov/gip/dynamic/fire.html) and USGS Ring of Fire FAQ (https://www.usgs.gov/faqs/what-ring-fire). This schematic is not a mapped fault or hazard boundary.