NOAA recently shared footage of intriguing formations often called pillow lava or pillow basalts.
The words pillow and lava aren’t often used together – that is, unless you’re an underwater explorer or enthusiast.
National Oceanic and Atmospheric Administration or NOAA recently shared footage of intriguing formations often called pillow lava or pillow basalts.
They’re created when magma breaks through the sea floor, only to be rapidly cooled and solidified by the surrounding water.
The video was taken during a dive at Fina Nagu Caldera C near Guam by explorers involved in NOAA’s Deepwater Exploration of the Marianas.