A phreatic eruption at Mayon volcano, Philippines killed 5 climbers on 7 May 2013. Mayon volcano is a beautifully symmetrical volcano with a steep upper slope of 35-40° and is capped by a small summit crater 200 m in diameter. Mayon eruptions produce lava flows, pyroclastic flows and mud flows which threaten populations at the base of the volcano. A 6 km radius permanent danger zone is in place around the volcano. This is due to the possibility of sudden phreatic eruptions and rockfalls from the upper and middle slopes of the volcano.
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A short-lived eruption was reported at Gaua volcano on 30th April 2013. Ash emissions reached 10,000 ft altitude.
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Magnitude 6.0 earthquake 47 km NNE of Yasur volcano, Vanuatu on 14 April 2013. Yasur volcano, in southern Vanuatu is one of the world’s most active volcanoes. The volcano has erupted many times per hour for at least 800 years. Yasur has been called the “Lighthouse of the Pacific” because of the regular Strombolian eruptions visible from sea. Yasur volcano was placed on level 2 alert (our of maximum 4) on 7 April 2013.
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A paroxysm occurred at Mt Etna volcano, Sicily on evening of 11th April 2013. The lava fountain was preceded by ash emission on 8 April and strombolian eruptions on 11 April. Two lava flows began from the saddle between the two southeast cones, and another lava flow on the lower northeastern flank of SE crater, moving towards Valle del Bove.
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Guntur volcano, west Java, Indonesia, was raised to level 2 alert (waspada) on 2nd April 2013 due to an increase in seismic activity and significant deformation. A 2 km exclusion zone was placed around the crater.
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Tambora volcano, Indonesia was raised to level 2 alert (waspada) on 5th April 2013, after an increase in seismic activity. Tambora is one of the world’s most dangerous volcanoes. In 1815 it produced the world’s largest historic explosive eruption with the loss of 117,000 lives. The most recent eruption is not well documented, but occurred about 1967. A magnitude 6.1 earthquake hit 29 km NE of the summit of Tambora volcano on 8th May 2010. During 2004 a buried town was discovered near the volcano. It has been called the Pompeii of the East because of the preservation of human artefacts.
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