Vantor (formerly Maxar) Open Data Program
Vantor (formerly Maxar) Open Data Program
Vantor's (formerly Maxar's) Open Data Program publishes before/after satellite imagery for activated disasters as a STAC catalog, with no key required. The program page says: "we make our spatial intelligence available for free to help first responders accelerate humanitarian response."
Required Attribution:
Required (CC BY-NC 4.0); non-commercial use only.
Coverage
Event-based: before/after imagery for activated disasters (earthquakes, floods, wildfires, storms), released per activation; history is limited to past activations. Imagery files (GeoTIFF/COG) are large; Signal Lab links to the STAC catalog and does not mirror the imagery.
Verdict
Free before/after satellite imagery of major disasters from Vantor (Maxar), reached through a STAC catalog. WARNING: the program page says "Vantor releases before and after satellite imagery into the public domain under a Creative Commons BY-NC 4.0 license" — despite the page's own "public domain" wording in that sentence, the stated licence is CC BY-NC 4.0, so this is non-commercial use only; do not describe it as public domain. Imagery is released only when the Open Data Program activates for a qualifying disaster. Signal Lab links only and does not mirror the imagery files.
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