Following a national search, Reston-based Tephra Institute of Contemporary Art (Tephra ICA) today announced the appointment of Jonell Jaime Logan as the Institute's new Executive Director & Curator.
These form part of the debris ejected from a volcano during an eruption, known as tephra. When chemically analysed, the shards were found to be a match for Mount Toba, around 9,000 km away.
Above the havoc, a cloud of volcanic steam and ash rose 30,000 feet. Eruptions of steam, ash, and tephra continued until June 1917, when the volcano resumed its quiet profile, with minor steam ...
The most recent eruption at Kilauea’s summit began on Sunday, Sept. 10. Following weeks of heightened unrest, fissures opened on the Halema’uma’u crater floor and to the east on the “down ...
A phreatic eruption is a “steam-driven explosion that occurs when water beneath the ground or on the surface is heated by magma, lava, hot rocks, or new volcanic deposits (for example ...