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Latest news from Villarrica:
Wednesday, Aug 07, 2013
According to Projecto Observación Visual Volcán Villarrica (POVI), satellite images of Villarrica acquired on 25 July revealed a weak thermal anomaly. On 29 July observers photographed the crater and described a thermal anomaly on the S edge of the crater rim, in the same area from which a lava flow originated on 29 December 1971. They also heard deep degassing sounds. A second photograph showed a diffuse gas plume rising from the bottom of the crater, and ash and lapilli on the snow on the inner crater walls. ... [more]
Sunday, Jan 20, 2013
Terrestrial and satellite observations confirm that for about 2 weeks weak explosive activity deep within the summit crater has resumed and indicates that magma might have begun to rise again within the volcano. ... [more]

Villarrica volcano

Stratovolcano 2847 m / 9,340 ft
Central Chile, -39.42°S / -71.93°W
Current status: restless (2 out of 5)
Villarrica webcams / live data
Last update: 7 Aug 2013 (degassing)
Typical eruption style: Mildly explosive, strombolian activity, small lava lake in the summit crater
Villarrica volcano eruptions: 2010-2012, 2008, 2005, 1985-2001 (lava lake), 1984-85, 1983, 1980, 1977, 1971-72, 1964, 1963(?), 1960-61, 1958-59, 1950(?), 1948-49, 1938, 1935, 1933, 1929, 1921, 1920-29, 1919(?), 1915-18(?), 1910?, 1909, 1908, 1907, 1906, 1904, 1897-98(?), 1893-94(?), 1883, 1879, 1877, 1875-76, 1874, 1869(?), 1867-68, 1864, 1859-60, 1853, 1852(?), 1837, 1832, 1822, 1815-18, 1806, 1801, 1799, 1796, 1792, 1790, 1787, 1780, 1777, 1759, 1751, 1745, 1742, 1737, 1716, 1688, 1657?, 1647?, 1640, 1594, 1562, 1558
Last earthquakes nearby: No recent earthquakes
TimeMag. / DepthDistanceLocation
Snow-covered Villarrica, one of Chile's most active volcanoes, rises above the lake and town of the same name. It erupts basaltic lava and is one of the few permanently active volcanoes in the world, with frequent strombolian activity and sometimes a small lava lake present in its summit crater.

Background:

The volcano is also known as Rucapillán, a Mapuche word meaning "House of the Pillán". It is the westernmost of three large stratovolcanoes that trend perpendicular to the Andean chain along the Gastre Fault.
The volcanic edifice was built at the rim of two overlapping calderas: one 6-km wide caldera formed about 10,000 years ago, and a second, 2 km wide caldera about 3500 years ago. The volcano is located at the NW margin of the older caldera. More than 30 scoria cones and fissure vents dot Villarrica's flanks. Plinian eruptions and pyroclastic flows that have extended up to 20 km from the volcano have been produced during the past few thousands years. Lava flows up to 18 km long have issued from summit and flank vents. Historical eruptions, documented since 1558, have consisted largely of mild-to-moderate explosive activity with occasional lava effusion. Glaciers cover 40 sq km of the volcano. Hazards from Villarrica include massive lahars (mud flows) caused by melting of snow and glacier ice as well as rainfalls, such as during the eruptions of 1964 and 1971 when large lahars damaged towns on its flanks.
Villarrica, along with Quetrupillán and the Chilean portion of Lanín, are protected within Villarrica National Park. Ascents of the volcano are popular with several guided ascents reaching the top during summer.


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