NASA finds Fuego's volcanic avalanches are still warm, weeks after violent eruption

A NASA satellite passed over Guatemala’s Volcán de Fuego on June 24, and it found something intriguing.

According to data collected by the satellite — named Landsat 8 — temperatures in the chaotic avalanches the volcano blasted down its flanks three weeks earlier are still relatively high. 

Landsat 8 takes around 400 detailed images each day, and can also measure thermal conditions on the ground, leading to this finding at Fuego.  

In Landsat’s recent thermal imaging, it picked up temperatures some 4 to 6 degrees Celsius (7 to 10 degrees Fahrenheit) higher than the surrounding tropical land over long portions of this still-cooling volcanic debris. The debris was left by scorching avalanches of newly-formed rock and gas — known as pyroclastic flows — which, when erupted, measured some 1,800-degrees Fahrenheit, according to NASA.  Read more…

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Source: Mashable | NASA finds Fuego's volcanic avalanches are still warm, weeks after violent eruption