Semeru

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Actualitées du volcan Semeru:

Semeru volcano (East Java): growing lava dome and ash explosions

mercredi, juil. 25, 2012

The lava dome of Semeru volcano, East Java, is active and growing slowly our recent expedition group observed on 18-19 July during our trekking tour Volcanoes of Java. ... [details]

Semeru volcano (East Java): activity summary Feb-May 2012

mardi, mai 08, 2012

CVGHM reported that during 1-29 February multiple pyroclastic flows from Semeru traveled 500 and 2,500 m into the Besuk Kembar and Besuk Kobokan rivers (on the S flank), respectively. During 1 February-30 April dense gray-to-white plumes rose 100-500 m above Jongring Seloko crater and drifted W and N. Incandescence was visible up to 50 m above the crater during 1 February-31 March. Seismicity decreased from March to April. Observations indicated that the lava dome grew in April. On 2 May CVGHM lowered the Alert Level to 2 (on a scale of 1-4) and reminded the public not to approach the crater within a 4-km radius. ... [details]

Erupting Semeru volcano seen at sunrise.

Semeru volcan

stratovolcan 3676 m (12,060 ft)
East Java, Indonesia, -8.11°S / 112.92°E
Condition actuelle: en éruption (4 sur 5)
Semeru webcams / live data

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Dernière mise à jour: 21 janv. 2013 (growing lava dome, ash venting and small to moderate explosions)
Style éruptif tipique: Explosive. Near constant strombolian activity, occasionally stronger explosions, lava flows and pyroclastic flows.
Eruptions du volcan Semeru: 1818, 1829, 1830, 1832, 1836, 1838, 1842, 1844, 1845, 1848, 1849(?), 1851, 1856, 1857, 1865, 1866(?), 1887, 1887, 1888, 1889-91, 1892, 1893, 1893-94, 1895, 1896, 1897, 1899, 1899, 1900, 1901, 1903, 1904, 1905, 1907, 1908, 1909-10, 1910-11, 1911, 1912, 1913, 1941-42, 1945, 1946, 1946-47, 1950-64, 1967-ongoing (as of 2008)

Semeru photos du volcan

Derniers séismes proches: No recent earthquakes

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Mag. / Depth

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Location

Semeru, the highest volcano on Java, and one of its most active, lies at the southern end of a volcanic massif extending north to the Tengger caldera. Semeru, a favourite mountain trekking destination, has been in almost continuous eruption since 1967. It is known for its regular ash explosions that typically occur at intervals of 10-30 minutes.

Introduction:

The steep-sided volcano, also referred to as Mahameru (Great Mountain), rises abruptly to 3676 m above coastal plains to the south. Gunung Semeru was constructed south of the overlapping Ajek-ajek and Jambangan calderas. A line of lake-filled maars was constructed along a N-S trend cutting through the summit, and cinder cones and lava domes occupy the eastern and NE flanks. Summit topography is complicated by the shifting of craters from NW to SE. Frequent 19th and 20th century eruptions were dominated by small-to-moderate explosions from the summit crater, with occasional lava flows and larger explosive eruptions accompanied by pyroclastic flows that have reached the lower flanks of the volcano.

Semeru Photos:

Erupting Semeru volcano at night (March 2004) - a small explosion expels incandescent bombs that roll down its southern flank. (Photo: Tom Pfeiffer)	Ash eruption at Semeru in early light (c)	Fog in the caldera, smoking Bromo, the cinder cone of Batok, and an eruption from Semeru volcano in early sunlight (c)
Eruption at Semeru volcano (East Java) in the golden morning light (Photo: Tom Pfeiffer)	Umbrella cloud over Semeru, smoking Bromo volcano in the misty shadow (c)	The ash plume from Semeru volcano in the first sunlight. (c)

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