verification
3 articlesWas There a Fire, and When? Confirming and Dating a Reported Fire with Satellite Data
How to use NASA FIRMS fire detections and Sentinel-2 burn scars together to confirm that a reported fire or explosion happened, and to narrow down when, with the limits of each source.
2026-10-04 · 7 min read
How to Verify a Reported Event with Free Satellite Imagery: An OSINT Workflow
A step-by-step OSINT workflow for checking a reported fire, strike, flood or build-up against free Sentinel-1, Sentinel-2 and NASA FIRMS data, and for writing down what the imagery can and cannot support.
2026-10-04 · 11 min read
Evidence-Based Event Intelligence: How Delta Signals Stays Source-Linked and Auditable
What makes an automated event feed trustworthy? Delta Signals is built for auditability — every signal links back to its original source, is corroborated across outlets, and carries a location whose precision is stated so you can check it.
2026-07-11 · 6 min read