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Marapi volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 4 August-10 August 2004 (New Activity / Unrest)

Wed, 4 Aug 2004, 06:00
06:00 AM | BY: VN
Increased volcanic activity at Marapi during early August led DVGHM to raise the Alert Level to 2 from 1 (on a scale of 1-4) on 5 August. Ash explosions rose 500-1,000 m above the summit and no seismic data were available. Visitors and villagers in the Tanah Datar and Padang Panjang districts were advised not to climb the volcano.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
From: Global Volcanism Program, 2004. Report on Marapi. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 4 August-10 August 2004. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 2 May 2001, 06:00

Marapi volcano (Indonesia) - Report for 2 May-8 May 2001 (Continuing Activity)

VSI reported that volcanic activity continued at Marapi at a decreased level in comparison to the previous week. Thirty explosions were observed and an ash plume rose 3 km above the summit. Tephra fell up to 4 km in radius from the crater. Marapi remained at Alert Level 2 (on a scale of 1-4). ... Read all
Wed, 25 Apr 2001, 06:00

Marapi volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 April-1 May 2001 (New Activity / Unrest)

VSI reported that the Marapi eruption at 0814 on 16 April produced a cauliflower-shaped black ash plume that rose 2 km above the summit. Ash, lapilli, and volcanic bombs were ejected during the eruption and fell within the crater. In addition, ash fell in many villages on the S and SW flanks of the volcano. ... Read all
Wed, 18 Apr 2001, 06:00

Marapi volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 April-24 April 2001 (New Activity / Unrest)

Based on information from VSI, the Darwin VAAC reported that after increased volcanic activity occurred over the preceding two weeks VSI raised the Alert Level at Marapi from 1 to 2. The increased activity included an eruption on 16 April that sent an ash cloud up to 2 km above the summit. In addition, an eruption on about 23 April produced an ash cloud that rose up to ~6 km a.s.l. and drifted to the E. ... Read all
Marapi volcano
Stratovolcano 2891 m (9,485 ft)
Western Sumatra, Indonesia, -0.39°S / 100.46°E
Current status: normal or dormant (1 out of 5) Marapi volcano eruptions:
2011-ongoing, 2004 (Aug), 2001, 2000, 1999, 1987-94, 1984, 1984, 1983, 1982, 1980, 1975-79, 1973, 1970-71, 1968(?), 1967, 1966, 1958, 1958, 1954-57, 1950-52, 1949, 1949, 1943, 1932, 1930, 1929, 1927, 1925, 1919, 1918, 1918, 1917, 1916, 1915, 1913, 1911, 1910, 1907-08, 1905, 1904, 1889, 1888, 1886, 1885, 1883, 1878(?), 1883, 1876-77, 1876, 1871, 1871, 1863, 1861, 1855-56, 1854, 1845, 1833-34, 1822, 1807, 1770
Typical eruption style
Small to moderate sized explosions
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