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In late May, 2009, activity decreased and the Alaska Volcano Observatory lowered the alert level. A nearly six-month period of relative quiet at the volcano ended on December 27, 2009, with renewed earthquake swarms. The AVO subsequently raised the alert level, and again warned of the possibility of a more vigorous eruption due to dome collapse ...
The 2009 Tonga undersea volcanic eruption began on 16 March 2009, [5] near the island of Hunga Tonga, approximately 62 kilometres (39 mi) from the Tongan capital of Nukuʻalofa. [6] The volcano is in a highly active volcanic region that represents a portion of the Pacific Ring of Fire .
April 21, 1990 eruption column (to a height of about 5.6 mi (9 km)) [16] from Redoubt Volcano as viewed to the west from the Kenai Peninsula Fumaroles observed on the side of Mount Redoubt on January 31, 2009 Fumarole on March 21, 2009, the day before the eruption A plume of vapor from Mt Redoubt as seen from space on 5 May 2009. Redoubt ...
In a volcanic eruption, lava, volcanic bombs, ash, and various gases are expelled from a volcanic vent and fissure. While many eruptions only pose dangers to the immediately surrounding area, Earth 's largest eruptions can have a major regional or even global impact, with some affecting the climate and contributing to mass extinctions .
Seismic activity started at the end of 2009 and gradually increased in intensity until on 20 March 2010, a small eruption began, rated as a 1 on the volcanic explosivity index. [ 3 ] Beginning on 14 April 2010, the eruption entered a second phase and created an ash cloud that led to the closure of most of the European IFR airspace from 15 until ...
The volcanic island of Anak Krakatau in Indonesia saw an eruption on 22 December 2018 which caused a deadly tsunami, with waves surging up to five meters in height. The tsunami killed at least 437 ...
On 8 November, the volcano erupted several times, one bearing an ash plume with a height reaching 10 km (6.2 mi). [78] On 9 November, it erupted again, scrambling authorities to evacuate approximately 16,000 people from nearby villages. [79] 2 Mount Marapi [80] Indonesia 2023 23 [81] 2023 eruption of Mount Marapi: 2 Popocatépetl [82] Mexico 2022 1
The volcano on the remote island of Halmahera erupted at 9.12 a.m. (0012 GMT) for about five minutes, projecting ash into the sky as high as 5 km (3.1 miles), officials said. Indonesia's Mt Ibu ...