The southern half of the image looks greyer than the January 27, 2013 image (above), evidence of the ash and pyroclastic flow deposits from the February 3, 2013 explosive eruption. Image: NASA.

Pyroclastic density current (PDC): A turbulent, high-density flow composed of volcanic ash, lapilli and gases that descends rapidly along a volcano’s slope following an eruption.

Using satellite data, scientists from Brown University studied lunar pyroclastic deposits, layers of rock that likely formed from large volcanic eruptions.The magma associated with these explosive ...

Prof. Dawid A. Iurino (University of Milan), coordinator of the study said, "We are used to think that volcanic deposits are ...

Archaeologists uncovered Bronze Age human and animal footprints in pyroclastic deposits (volcanic debris) originating from Vesuvius’ volcanic complex.

"Volcanic deposits are associated with hot, fast-moving pyroclastic currents that will destroy soft tissues," study co-author Dawid Iurino, an associate professor in vertebrate paleontology at the ...

This deposit could be pyroclastic material or ash from small dome-collapses that may have occurred earlier in the day. It is very reminiscent of the debris fans from dome-collapse pyroclastic flows at ...

"Volcanic deposits are associated with hot, fast-moving pyroclastic currents that will destroy soft tissues," study co-author Dawid Iurino, an associate professor in vertebrate paleontology at the ...

Prof. Dawid A. Iurino (University of Milan), coordinator of the study said: “We are used to think that volcanic deposits are associated with hot, fast-moving pyroclastic currents that will ...