Past Posts

By Tamara Sparks The island-wide power outage caused by a fire at a power plant in Puerto Rico is visible in satellite imagery from the VIIRS day night band. Widespread loss of lighting on April 7, 2022, indicated in red, is seen across the island, although there are...

By David Hsu Most cities in Ukraine are still in the dark - except those in easter Ukraine near Donetsk and Luhansk in the regions under Russian control. Two noticeable clusters of new lighting surrounding Chernihiv and Bucha, suggesting Russian forces making their...

By Elijah Mt. Castle Multiple fires have been burning in Bay County Florida over the weekend. The Adkins Avenue fire started Friday in Bay County and is 35% contained having burned 841 acres. The Bertha Swamp Fire started on Friday in the neighboring Gulf County and...

By Feng Chi (David), Hsu Kyiv experienced a horrifying night on 2/26. The oil depot near Vasylkiv Air Base was on fire creating extremely large fire. EOG was able to detect the event with both VNF and VNL from the thermal signature and visible light it created. Under...

The Earth Observation Group (EOG) pioneered the development of monthly and annual global nighttime light products from low light imaging data collected by meteorological satellite sensors. Initially with data from the U.S. Air Force Defense Meteorological Satellite...

By Tamara Sparks VIIRS Nightfire detected the Trinity Spirit, a floating oil production, storage, and offloading vessel, which exploded and caught fire off the coast of Nigeria early on Feb 2, 2022. The Suomi NPP satellite overpass at 00:47 UTC first detected the...

By Elijah Mt. Castle Wolf Volcano, the largest peak on the Galapagos Islands, has been erupting since January 6th, 2022. The volcano is 1.7 km tall and is around 1000 km from mainland South America. Ecuador's Emergency Operations Committee said there was no risk to...

By Elijah Mt. Castle Multiple wildfires in Sequoia National Park have burned a total of 43,375 acres. The park is home to the world's largest tree by volume, the General Sherman Tree. Sequoia trees are the largest species of trees by volume and can live to be over...