(…) Geological phases (…)
First Phlegraean Period. (…)
It is thought that the eruption of the Archiflegreo volcano occurred about 39,280(…) years ago, erupting about 200 km³ (…) of magma (500 km³ (…) bulk volume) to produce the Campanian Ignimbrite eruption. Its Volcanic Explosivity Index (VEI) was 7 and it left a large part of eastern Europe covered in ash. https://en.m.wikipedia.org/wiki/Phlegraean_Fields
(…) Geological phases (…)
First Phlegraean Period. (…)
It is thought that the eruption of the Archiflegreo volcano occurred about 39,280(…) years ago, erupting about 200 km³ (…) of magma (500 km³ (…) bulk volume) to produce the Campanian Ignimbrite eruption. Its Volcanic Explosivity Index (VEI) was 7 and it left a large part of eastern Europe covered in ash.
https://en.m.wikipedia.org/wiki/Phlegraean_Fields