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Random pictures
Friday, Jul 10, 2015
Darwin VAAC raised the aviation alert level to orange, after a plume of steam and possible light ash emissions were seen on satellite images drifting SW from the volcano last Tuesday. ... [more]
Wednesday, Jun 20, 2012
During 1-13 June diffuse white plumes from Sirung rose 30-70 m above the crater. A sulfur odor was occasionally noted at the Sirung observation post. ... [more]
 

Sirung volcano eruptions

stratovolcano 862 m / 2,828 ft
Pantar Island, Indonesia , -8.51°S / 124.13°E
Eruption list: 2012, 2004 (?), 1970, 1965, 1965, 1964, 1960, 1953, 1947, 1934, 1927 (?), 1899 (?), 1852 (?)


Sirung hot springs & crater lake
Strong fumaroles and boiling springs are found in Sirung's large crater. The crater contains often a highly acid (pH = 0.75), warm (40 deg C), grey-coloured crater lake where volcanic gasses escape in bubbles. The gasses are unusually rich in chlorine. The lake is similar to Kawah lien crater lake in East Java.
[more]

Beangabang Bay hot springs
A second area of hot springs is found on the beach of Beangabang Bay east of Sirung's crater. Water from these springs mixes with seawater.

2004 uncertain eruption
Eruptions of "smoke and dust" were reported by press around 13 May 2004, but according to the Indonesian Volcanological Survey, these reports were false.

1987 earthquake
A volcanologist from the Indonesian Volcanological Survey visited the volcano on 12 December, following an earthquake of M6.5 on 26 November. Fumaroles and the crater lake were normal and showed no evidence of increased activity. The only notable change in the crater was a fresh landslide scar that perhaps had resulted from the earthquake.

1934 eruption
Sirung volcano erupted on 14-15 June 1934. Detonations were heard in Ilakalau village and the following morning the crater rim was observed to be covered by white fresh ash deposits. On 16 June lapilli fell in Ilakalau village. On 17 June dense ash clouds were erupted 5-10 minutes. On 26 June, 30 m high lava fountains or strombolian activity were observed at the crater.
 

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