Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size, or emplacement mechanism. Volcanologists also refer...

rocks, and it reached its present height about 200,000 years ago. Several tephra layers encountered in ice cores at Mount Waesche and Byrd Station have been...

The Yn tephra is a geologically recent tephra deposit that covers portions of the U.S. state of Washington and the Canadian provinces of British Columbia...

Dasychira tephra, the tephra tussock moth, is a tussock moth in the family Erebidae. The species was first described by Jacob Hübner in 1809. It is found...

24; VEI 6; 20 km3 (4.8 cu mi) of tephra Krakatoa, Indonesia; 1883, August 26–27; VEI 6; 21 km3 (5.0 cu mi) of tephra Mount Tambora, Lesser Sunda Islands...

escape above the surface as lava. The erupted volcanic material (lava and tephra) that is deposited around the vent is known as a volcanic edifice, typically...

fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average speeds of 100 km/h...

numerous times in the late Pleistocene and Holocene, forming widespread tephra deposits both in the proximity of Hudson and in the wider region, and is...

Leptozestis tephras is a moth in the family Cosmopterigidae. It was described by Edward Meyrick in 1897. It is found in Australia, where it has been recorded...

Corbella, Hugo; Tiberi, Pedro (1994-05-01). "Sedimentological analysis of the tephra from the 12–15 August 1991 eruption of Hudson volcano". Bulletin of Volcanology...