Short term precursors of Strombolian explosions at Yasur volcano (Vanuatu)
نویسندگان
چکیده
منابع مشابه
Environmental impacts on health from continuous volcanic activity at Yasur (Tanna) and Ambrym, Vanuatu.
Continuous low-level basaltic volcanic activity, from Yasur Volcano in Tanna, and Marum and Benbow vents on Ambrym, occurred for as long as records have been kept in Vanuatu. The potential chronic health implications for the inhabitants of these two areas were investigated in a preliminary environmental sampling program. The focus was particularly on fluoride and other volcanic gas-derived chem...
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A model is proposed to explain temporal patterns of activity in a class of periodically exploding Stromboliantype andesite volcanoes. These patterns include major events (explosions) which occur every 3^30 min and subsequent tremor with a typical period of 1 s. This two-periodic activity is thought to be caused by two distinct mechanisms of accumulation of the elastic energy in the moving magma...
متن کاملExplosions and periodic tremor at Karymsky volcano, Kamchatka, Russia
Jonathan M. Lees,1 Evgenii I. Gordeev2 and Maurizio Ripepe3 1University of North Carolina, Department of Geological Sciences, CB#3315, Mitchell Hall, Chapel Hill, NC 27599-3315, USA. E-mail: [email protected] 2Geophysical Services, Russian Academy of Science, Petropavlovsk-Kamchatsky, Russia. E-mail: [email protected] 3Dipartimento di Scienze della Terrra, Universita’ di Firenze, via LaPira,...
متن کاملCombining spherical-cap and Taylor bubble fluid
Basaltic activity is the most common class of volcanism on Earth, characterized by magmas 12 of sufficiently low viscosities such that bubbles can move independently of the melt. Following 13 exsolution, spherical bubbles can then expand and/or coalesce to generate larger bubbles of 14 spherical-cap or Taylor bubble (slug) morphologies. Puffing and strombolian explosive activity are 15 driven b...
متن کاملCombining Spherical-Cap and Taylor Bubble Fluid Dynamics with Plume Measurements to Characterize Basaltic Degassing
Basaltic activity is the most common class of volcanism on Earth, characterized by magmas of sufficiently low viscosities such that bubbles can move independently of the melt. Following exsolution, spherical bubbles can then expand and/or coalesce to generate larger bubbles of spherical-cap or Taylor bubble (slug) morphologies. Puffing and strombolian explosive activity are driven by the bursti...
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2016
ISSN: 0094-8276
DOI: 10.1002/2016gl067823