English

Adjective

ultraplinian ‎(not comparable)

1. (of a volcanic eruption) More powerful than that of Vesuvius in AD 79 (witnessed by Pliny the younger)
   • 2015 October 13, “A Human Deciduous Tooth and New 40Ar/39Ar Dating Results from the Middle Pleistocene Archaeological Site of Isernia La Pineta, Southern Italy”, in PLOS ONE, DOI:10.1371/journal.pone.0140091:

     The volcanic components of fluvio-lacustrine sedimentary series in Southern Apennines are mainly associated with the plinian and ultraplinian eruptions of Roccamonfina and Vulture volcanoes.