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To help prevent harm when living or working on or near a volcano, countries have adopted classifications to describe the various levels and stages of volcanic activity, the two main volcano warning systems being colour codes and/or numeric alert levels. [7] United States Alert System; Indonesia Alert System [8] Russia; Alaska Alert System
These levels reflect conditions at a volcano and the expected or ongoing hazardous volcanic phenomena. When an alert level is assigned by an observatory, accompanying text will give a fuller explanation of the observed phenomena and clarify hazard implications to affected groups. Both ground and aviation alerts are provided for volcanoes in the ...
On December 9, PHIVOLCS raised the alert level of Kanlaon from level 2 to level 3 after an explosive eruption occurred at the summit vent at 3:03 p.m. The eruption produced a large plume that rose 4,000 m (13,000 ft) above the vent and drifted west-southwest, with pyroclastic flow moving down the south-southeastern side of the volcano.
Whakaari / White Island and the sea stacks that form Club Rocks and Volckner Rocks are the emergent summits of a larger, 16 by 18 kilometres (9.9 by 11.2 mi), submarine volcano. It is known as White Island Volcano and has a total volume of 78 km 3 (19 cu mi). The bathymetry surrounding the emergent summit of Whakaari / White Island consists of ...
On 4 November 2024, the volcano spewed molten debris at several villages some 4 km (2.5 mi) away, destroying homes and killing at least nine. [74] The Centre of Volcanology and Geological Hazard Mitigation recommended that a 7 km (4.3 mi) radius around the volcano be evacuated. [75] Seven villages were affected by the eruption. [76]
2 Indonesia: 1944 [30] 114 Dieng Volcanic Complex: 1 Indonesia: 1964 [30] 108 to 120 Mount Tarawera: 5 New Zealand: 1886 1886 eruption of Mount Tarawera: 106 Dubbi: 3 Eritrea: 1861 [6] 87 Volcán Arenal: 3 Costa Rica: 1968 [31] 80 Mount Marapi: 2 Indonesia: 1979 1979 eruption of Mount Marapi [32] 79 Mount Mayon: 2 Philippines: 1993 [16] 70 ...
Ambae is the emergent portion of Vanuatu's largest (most voluminous) volcano, Manaro Voui, [5] which rises 1,496 meters above sea level, or about 3,900 meters above the sea floor. [6] A steam and ash eruption began on November 27, 2005, leading to a Level 2 volcano alert and preparations for evacuations. [7]
This list is incomplete; you can help by adding missing items. ( August 2008 ) This is a list of notable people who died as a result of injuries sustained during a volcanic eruption .