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The volcano has a 4 by 4.8 km (2.5 by 3.0 mi) wide caldera, and a single crater lake, Wonchi lake, about 450 m (1,480 ft) below the rim of the volcano.Study of Wonchi's caldera is incomplete; initial findings show it could be as much as 900 m (3,000 ft) deep, and the lake itself could be as deep as 400 m (1,300 ft).
Following the eruption, thousands of fumaroles vented steam from the ash, creating the Valley of Ten Thousand Smokes. In 1919, geologists noted a lake covering a large part of the caldera floor. By 1923 the lake was gone and numerous fumaroles, mud pots, and a large mud geyser had replaced it. The lake has since refilled to a depth of over 800 ...
The crater was clearly changed by the eruption. A grey field of ash surrounds the crater and the caldera itself seems larger and deeper. The crater lake, which formed after Karthala's last eruption in 1991 and once dominated the caldera, is now gone completely. In its place were rough, dark grey rocks, possibly cooling lava or rubble from the ...
More than 30 eruptions have occurred since 1000 AD. [1] In 2007, an effusive explosion filled the crater with a lava dome. It last erupted on 13 February 2014, destroying the lava dome and ejecting boulders, stones and ashes up to West Java about 500 kilometres (310 mi) from Mount Kelud. The crater filled with water during the rainy season. [2] [3]
Famous for its violent eruption in August 24, A.D. 79. Its last eruption happened in March 1944. Designated a Decade Volcano. Stromboli and Vulcano, two of the Lipari Islands. The former has been continuously erupting for more than two millennia, making it the second most active volcano in Europe. [citation needed]. The latter last erupted in 1890.
The crater lake of Mount Rinjani, Indonesia Lake Yeak Laom, Cambodia Baengnokdam crater lake of Hanla Mountain in winter, South Korea A volcanic crater lake is a lake in a crater that was formed by explosive activity or a collapse during a volcanic eruption .
Copahue (Spanish pronunciation:) is a stratovolcano in the Andes on the border of Bío Bío Region, Chile and Neuquén Province, Argentina.There are nine volcanic craters along a 2 km (1.2 mi) line, the easternmost of which is historically the most active, and contains a 300 m (1000 ft) wide crater lake with a pH ranging between 0.18 and 0.30. [2]
The summit of the volcano is a steep-walled heavily forested crater that opens to the south with a peak elevation of 860 metres (2,820 ft). Located on the volcano flanks are fumaroles and mudpots . On the southern flank of the volcano, two crater lakes are located, Lakes Danao and Malagsom .