Tephra
Videos
Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size, or emplacement mechanism.
Volcanic tephra at Brown Bluff, Antarctica (2016)
Tephra horizons in south-central Iceland: The thick and light-coloured layer at the centre of the photo is rhyolitic tephra from Hekla.
Molten lava fountain at Kilauea volcano on Hawaii, with black cloud of associated tephra
Rocks from the Bishop tuff, uncompressed with pumice on left; compressed with fiamme on right
Pompeii
Videos
Pompeii was a city in what is now the municipality of Pompei, near Naples, in the Campania region of Italy. Along with Herculaneum, Stabiae, and many surrounding villas, it was buried under 4 to 6 m o
Tephra
…in southern Italy, which last erupted in March 1944. Earlier, in 79 AD, in an eruption which lasted 12 to 18 hours, Vesuvius had covered the city of Pompeii in molten lava, ash, pumice, volcanic blocks, and toxic gases. Much of the town was preserved and organic materials fossilized by the volcanic ash, and…
View of Pompeii and Mount Vesuvius
The Forum of Pompeii with the entrances to the Basilica (left) and Macellum (right), the Temple of Jupiter (front) and Mount Vesuvius in the distance
Greek Doric Temple (6th century BC) in Triangular Forum
Etruscan Temple of Apollo