Off-Nadir Delta

Brazil: Satellite Monitoring & Event Situation

Track recent event signals and monitor Brazil from space — geolocated events, the most active areas, and satellite imagery in one place. Free to browse on the Delta Watchfloor.

Quick answer — what Off-Nadir Delta is

You can monitor Brazil from space on Off-Nadir Delta — viewing Sentinel-1 SAR and Sentinel-2 optical imagery, tracking any area over time with anomaly detection, and overlaying geolocated event signals (from global news media) and active fires. In the past 7 days, 1 event signals were recorded in and around Brazil, most in the natural disaster category.

Signals by category · last 7 days

  • Natural Disaster1

Recent developments

  • 6.7-Magnitude EarthquakeAyacucho, Peru

Most active areas

Ayacucho, Peru · 1

Event data powered by the GDELT Project. Figures cover the mapped region around Brazil and update hourly. For situational awareness only — not for tracking or targeting individuals.

Why Analysts Watch Brazil From Space

Brazil hosts the planet’s largest deforestation monitoring problem: Amazon clearing and burning are tracked scene by scene, and fire season turns the arc of deforestation into a wall of thermal anomalies. Soy and cattle expansion, plus drought in the Amazon basin itself, complete the picture.

Typical monitoring angles

  • Deforestation frontiers in Rondônia and Pará with Sentinel-1/2 change detection
  • Fire-season burning across the Amazon and Cerrado via NASA FIRMS
  • Amazon river levels during increasingly severe droughts

Monitor Brazil From Space

Off-Nadir Delta lets you watch Brazil without any GIS software. View Sentinel-1 SAR (all-weather, day or night) and Sentinel-2 optical imagery, draw any area to build a time series with anomaly detection, and overlay active fires.

The Delta Watchfloor adds the event layer: geolocated signals in and around Brazil, ranked by severity, that you can connect to satellite imagery in one tip-and-cue workflow.

Frequently Asked Questions

How can I monitor Brazil with satellite imagery?
On Off-Nadir Delta you can view Sentinel-1 SAR and Sentinel-2 optical imagery over Brazil, draw any area to monitor it over time with anomaly detection, and overlay NASA FIRMS active fires. The Delta Watchfloor also shows geolocated event signals in and around Brazil, so you can connect what is happening on the ground to what satellites see.
Where does the Brazil event data come from?
Geolocated event signals are distilled from global news media — open monitoring of world events — AI-enriched and continuously refreshed. The data is for situational awareness and is not intended for tracking or targeting individuals.
Is monitoring Brazil free?
Browsing the latest event signals on the Watchfloor is free and needs no account. Deeper capabilities — longer history and AI remote-sensing deep-dives — are available on paid plans or metered by tokens. See the pricing page for details.

Track Brazil on the Watchfloor

See the latest event signals for Brazil and monitor any area from space — free to start.

From headline to satellite evidence

One connected intelligence workflow across four surfaces — free to start, no GIS software or remote-sensing background required.