an explosive eruption is a volcanic eruption of the most violent type. A notable example is the 1980 eruption of Mount St. Helens. Such eruptions result...
8 KB (996 words) - 08:53, 7 May 2024
phreatomagmatic eruptions There are two types of eruptions in terms of activity, explosive eruptions and effusive eruptions. Explosive eruptions are characterized...
75 KB (7,673 words) - 05:30, 29 April 2024
The volcanic explosivity index (VEI) is a relative measure of the explosiveness of volcanic eruptions. It was devised by Christopher G. Newhall of the...
16 KB (1,011 words) - 13:05, 21 May 2024
Plinian eruptions or Vesuvian eruptions are volcanic eruptions marked by their similarity to the eruption of Mount Vesuvius in 79 AD, which destroyed...
15 KB (1,619 words) - 03:01, 19 May 2024
escalated until a major explosive eruption took place on May 18, 1980, at 8:32 am. The eruption, which had a volcanic explosivity index of 5, was the first...
74 KB (7,899 words) - 17:11, 21 May 2024
eruptions contain juvenile (magmatic) clasts. It is common for a large explosive eruption to have magmatic and phreatomagmatic components. Several competing...
13 KB (1,730 words) - 13:22, 1 March 2024
Volcano (section Types of volcanic eruptions)
different types of volcanic eruptions and associated activity: phreatic eruptions (steam-generated eruptions), explosive eruption of high-silica lava (e.g...
88 KB (9,874 words) - 16:59, 12 May 2024
eruption is a type of volcanic eruption with relatively mild blasts, typically having a Volcanic Explosivity Index of 1 or 2. Strombolian eruptions consist...
9 KB (917 words) - 10:21, 19 January 2024
for the eruptions listed here, estimates of the volume erupted can be subject to considerable uncertainty. In explosive eruptions, the eruption of magma...
61 KB (3,692 words) - 12:14, 16 May 2024
two major groupings of eruptions: effusive and explosive. Effusive eruption differs from explosive eruption, wherein magma is violently fragmented and rapidly...
10 KB (1,127 words) - 06:42, 27 April 2024
Mount Vesuvius (section Volcanic explosivity index)
region in the world. Eruptions tend to be violent and explosive; these are known as Plinian eruptions. Vesuvius has a long historic and literary tradition...
68 KB (7,628 words) - 15:58, 2 April 2024
20 March 2010, a small eruption began, rated as a 1 on the Volcanic Explosivity Index. Beginning on 14 April 2010, the eruption entered a second phase...
54 KB (5,542 words) - 00:47, 16 May 2024
is a list of volcanic eruptions in the 21st century with a volcanic explosivity index (VEI) of 4 or higher, and smaller eruptions that resulted in fatalities...
45 KB (1,772 words) - 08:49, 17 May 2024
Mount Rinjani (category Volcanic eruptions in Indonesia)
world's most dangerous and explosive volcanoes. The eruption of nearby Mount Tambora on Sumbawa is known for the most violent eruption in recorded history on...
47 KB (4,575 words) - 23:15, 7 April 2024
Mount Etna (redirect from 2021 Eruptions of Mount Etna)
Summit eruptions can be highly explosive and spectacular but rarely threaten the inhabited areas around the volcano. In contrast, flank eruptions can occur...
52 KB (5,662 words) - 06:53, 20 May 2024
An eruption column or eruption plume is a cloud of super-heated ash and tephra suspended in gases emitted during an explosive volcanic eruption. The volcanic...
13 KB (1,627 words) - 03:29, 30 January 2024
steam-blast eruptions Prerequisites for explosive cryovolcanism on dwarf planet-class Kuiper belt objects Phreatomagmatic and Related Eruption Styles...
41 KB (4,707 words) - 21:42, 14 May 2024
Kīlauea (section Volcanic Explosivity Index)
pre-contact explosive activity was common; in 1790 one such eruption killed more than 400 people, making it the deadliest volcanic eruption in what became...
100 KB (10,220 words) - 16:28, 9 May 2024
of May 9–10, 1924, a period of explosive eruptions took place at Halemaʻumaʻu. The explosions emitted large explosive columns of ash and other debris...
38 KB (4,137 words) - 17:42, 21 April 2024
charcoal found in old volcanic deposits revealed the last three major explosive eruption periods in recent millennia, about 5500, 3500 and 500 years ago. Geological...
55 KB (6,093 words) - 02:32, 19 May 2024
Ring of Fire (section Volcanic eruptions)
stratovolcanoes (e.g. Mount St Helens), formed by explosive eruptions of tephra alternating with effusive eruptions of lava flows. Lavas at the Ring of Fire's...
94 KB (9,603 words) - 22:44, 17 April 2024
Of the many eruptions of Mount Vesuvius, a major stratovolcano in Southern Italy, the best-known is its eruption in 79 AD, which was one of the deadliest...
48 KB (5,539 words) - 05:03, 22 May 2024
an effusive eruption on 27 December 2020. On 9 April 2021 there was an explosive eruption, and the volcano "continued to erupt explosively" over the following...
39 KB (3,192 words) - 05:07, 22 November 2023
Soufrière Hills (redirect from List of Montserrat settlements abandoned after 1997 Soufrière Hills eruption)
dome collapse which result in pyroclastic flows, ash venting, and explosive eruption. The volcano is monitored by the Montserrat Volcano Observatory. Volcanic...
21 KB (1,968 words) - 02:15, 12 April 2024
Toba catastrophe theory (redirect from Toba eruption)
Lake Toba in Sumatra, Indonesia. It is one of the largest known explosive eruptions in the Earth's history. The Toba catastrophe theory is that this...
72 KB (7,333 words) - 21:21, 14 May 2024
Mount Takahe (section Eruption history)
later linked to eruptions of Mount Berlin instead. The tephra layers were formed by explosive or phreatomagmatic eruptions. Major eruptions took place around...
53 KB (5,485 words) - 17:20, 11 May 2024
Mayon Volcano (VEI-3) The 2021 eruption of La Soufrière (VEI-4) Plinian eruption, related to the explosive eruptions of the Mount Vesuvius "Archived...
3 KB (332 words) - 10:51, 15 November 2023
Explosion (redirect from Explosive force)
such as volcanic eruptions, or two objects striking each other at very high speeds, as in an impact event. Explosive volcanic eruptions occur when magma...
18 KB (2,199 words) - 20:13, 23 April 2024
Hunga Tonga–Hunga Haʻapai (category Volcanic eruptions in Oceania)
a volcanic cone in a VEI 2 volcanic eruption in 2014–2015, and were separated again by a more explosive eruption in 2022, which also reduced the islands...
52 KB (5,055 words) - 16:32, 12 April 2024
profile with a summit crater and periodic intervals of explosive eruptions and effusive eruptions, although some have collapsed summit craters called calderas...
19 KB (2,347 words) - 08:48, 6 May 2024