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Satellite image of Gamalama volcano by (c) Google Earth View
Satellite image of Gamalama volcano by (c) Google Earth View
Gamalama vulkaan
Stratovulkaan 1715 m / 5,627 ft
Halmahera, Indonesia, 0.8°N / 127.33°E
Current status: restless (2 out of 5)
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Gamalama vulkaanuitbarstingen:
1510, 1538, 1561, 1605, 1635, 1643, 1648, 1653, 1659, 1676, 1686, 1687, 1737, 1739, 1763, 1770, 1771-72, 1773-74, 1775, 1811, 1812, 1814, 1830(?), 1831, 1833, 1835, 1838, 1839, 1840, 1841(?), 1842, 1843, 1844(?), 1845(?), 1846, 1847, 1847, 1849-50, 1858(?), 1860(?), 1862, 1863(?), 1864, 1864(?), 1868, 1868-69, 1871, 1884(?), 1895, 1896(?), 1897, 1898, 1900(?), 1907, 1911, 1918, 1923, 1932, 1933, 1938, 1962-63, 1980, 1983, 1988, 1990, 1991(?), May 1993-94, 1996, 2003 (31 July - 2 Oct), 2007-08, 2012, 2014
Typical eruption style:
Ontploffingsgevaar.
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Gamalana volcano (Indonesia): eruption news & activity updates

Gamalana volcano (Ternate Island, Indonesia): new eruption, likely some fatalities

Saturday Dec 20, 2014 00:29 AM | DOOR: T

Ash emissions from Gamalana Friday morning (Image @WorldVision / twitter)
Ash emissions from Gamalana Friday morning (Image @WorldVision / twitter)
Glow from the new eruption Thursday night (@PedomanNEWS / twitter)
Glow from the new eruption Thursday night (@PedomanNEWS / twitter)
The volcano, one of the most active in the region, erupted unexpectedly last night (Thursday evening, 22:41 local time).
Unfortunately, it seems that the eruption claimed at least some victims: Several people (10-12 according to varying news reports) were on the volcano, a popular hiking destination, when the initial explosion occurred at night. At least two of them were reported missing, presumably killed, and several others wounded, mainly from injuries suffered when falling during their escape.
Explosions and ongoing ash emissions continued throughout Friday and produced ash plumes that drifted eastwards, caused ash fall at the Ternate airport which had to be shut down. More than 5 cm of ash covered the runway and some parked aircraft.
The Indonesian Volcanological Survey (VSI) raised the alert level of Gamalana to 3 (on a scale of 1-4). So far, no evacuation orders were given by authorities. The small island, only approx. 10 km in diameter, consists essentially of the volcano's cone above sea level and is very exposed to mud flows or pyroclastic flows that could occur during or as a result of explosive activity. Evacuations would likely need to involve dislocation to one of the neighboring islands in case of a major eruption.
It seem that the eruption was not preceded by anything unusual, only a weak tremor signal was recorded about half an hour before, which in itself is not very unusual on any active volcano and not enough to predict an eruption.
It is not clear what the nature of this eruption is and whether it involves fresh magma or only steam-driven explosions (phreatic activity), but the observed glow on the upper flank below the summit suggest that a lava flow was active from a vent below the summit crater.
Vorig nieuws
Monday, Sep 17, 2012
Twee afzonderlijke explosies deden zich voor bij Gamalama vulkaan op Ternate eiland gisteren om 13.22 en 14.15 lokale tijd. De uitbarsting volgde op een toename van de seismische activiteit en veroorzaakt PVMBG om het alarm te verhogen tot 3 (van de 4) "Siaga". Volgens de krant Liputan6 mensen hebben niet gehoord van de explosie, maar zag alleen een as pluimstijging. ... [meer...]
Thursday, Feb 02, 2012
CVGHM lowered the Alert Level for Gamalama from 3 to 2 (on a scale of 1-4) on 24 January based on visual observations of white plumes rising as high as 100 m above the crater and a decrease in seismicity since the last eruption on 23 December 2011. ... [meer...]
Sunday, Jan 01, 2012
At least 3 people were killed by mud flows. 1,000-2,600 more were evacuated from several villages on 27-28 December, when heavy rainfall turned fresh ash deposits into devastating mud flows. Most damage was in the villages of Tubo and Tofure and along the Togorara and Marikurubu rivers. [meer...]
Powerful vulcanian explosion at Gamalana volcano (12 Dec, photo: Andi / VolcanoDiscovery Indonesia)
Monday, Dec 12, 2011
Eruptions are continuing at Gamalana volcano, consisting of moderate to strong ash explosions, as observed by our correspondant on location. Volcanologist Mr Kristianto, head/coordinator of all observatory post in eastern Indonesia, reports 4 explosions on 4 December and numerous volcanic earthquakes. The daily status update reads: ... [meer...]
Gamalana erupting ash on 11 Dec (photo: Andi)
Monday, Dec 05, 2011
Mount Gamalama volcano in Indonesia's remote North Maluku province erupted at 23:00 local time on Sunday (1400 GMT), according to local news. The eruption produced small amounts of ash, causing local electrical blackouts and ash fall in the provincial capital city of Ternate. ... [meer...]

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