Results 221 to 230 of about 6,961 (274)

Artistic and literary evidence of eruptive activity at Mt. Vesuvius during the apparent long quiescence period before the 1631 eruption. [PDF]

open access: yesSci Rep
Giudicepietro F   +9 more
europepmc   +1 more source

Tephra from the 1979 Soufriere Explosive Eruption

open access: yesScience, 1982
The explosive phase of the 1979 Soufriere eruption produced 37.5 × 10 6 cubic meters (dense-rock equivalent) of tephra, consisting of about 40 percent juvenile basaltic andesite and 60 percent of a nonjuvenile component derived from the fragmentation of the 1971-1972 lava island during phreatomagmatic explosions ...
Sigurdsson, Haraldur
openaire   +4 more sources

Transitions between explosive and effusive phases during the cataclysmic 2010 eruption of Merapi volcano, Java, Indonesia [PDF]

open access: yesBulletin of Volcanology, 2016
Transitions between explosive and effusive activity are commonly observed during dome-forming eruptions and may be linked to factors such as magma influx, ascent rate and degassing.
Katie Preece   +2 more
exaly   +4 more sources
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Seismogenic lavas and explosive eruption forecasting

Nature, 2008
Volcanic dome-building episodes commonly exhibit acceleration in both effusive discharge rate and seismicity before explosive eruptions. This should enable the application of material failure forecasting methods to eruption forecasting. To date, such methods have been based exclusively on the seismicity of the country rock.
Y, Lavallée   +7 more
openaire   +2 more sources

Explosive Volcanic Eruptions

1984
Volcanic activity takes many forms, ranging from quiet lava emissions to extremely violent and explosive bursts, many of which can be related to magma composition as discussed in Chapter 3. The kinds of eruptions can be correlated to volcano shapes and sizes, and in this chapter we explore the connection between pyroclastic systems, eruptive mechanisms
Richard V. Fisher, Hans-Ulrich Schmincke
openaire   +1 more source

Explosive fragmentation of erupting magma

Nature, 1995
The magma responsible for explosive volcanic eruptions has both a volatile and an inert phase. Deep in the conduit of an active volcano, bubbles nucleate as the volatiles exsolve. As the magma rises, the bubbles grow through depressurization and continued exsolution.
Sugioka, Ichiro, Bursik, Marcus
openaire   +2 more sources

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