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On 10 April 1815, Tambora produced the largest eruption known on the planet during the past 10,000 years. The volcano erupted more than 50 cubic kilometers of magma. Caldera collapse at the end of the eruption destroyed 30 km3 of the mountain and formed a 6 km wide and 1250 m deep caldera.
FLoating islands of pumice 3 miles long were observed in April 1815, and even 4 years later, these islands still hindered navigation.
The eruption produced global climatic effects and killed more than 100,000 people, directly and indirectly. Minor lava domes and flows have been extruded on the caldera floor at Tambora during the 19th and 20th centuries. stratovolcano 2850 m / 9,350 ft Sumbawa, Indonesia, -8.25°S / 118°E Current status: normal or dormant (1 out of 5)| ReportsTambora volcano booksTambora volcano eruptions:
1967, 1880, 1812-15 (largest known eruption in historic times, VEI 7) Typical eruption style:Explosive Last earthquakes nearbyLatest satellite images  Tambora volcano news & activity updates
Sat, 6 Apr 2013, 14:09 VSI raised the alert level to 2 (Waspada) on a scale of 1-4, but does not specify the reason (likely increased seismic activity). No further details are known for the time being. Thu, 12 Apr 2012, 10:05
Since January, no plumes, changes or seismic activity were observed around the Tambora caldera. On 9 April the Alert Level was lowered to 1 (on a scale of 1-4). Mon, 20 Feb 2012, 12:11  Recent seismic activity near Tambora volcano A swarm of earthquakes has occurred near Tambora volcano on 16 and 17 February. About 12 quakes larger than magnitude 2 were recorded at depths between 10 and 40 km, concentrated in an area near the coast about 30 km NE of the volcano. The largest quake a 4.8M quake at 18:12:39 WIB on 16 February. ...moreSeismic unrest near the volcano has started last summer and could be an indicator of possible new activity in the foreseeable future. [ less] Wed, 31 Aug 2011, 16:49 Tambora volcano in Indonesia is beginning to show signs of life. Since April this year, there have been intermittent swarms of small earthquakes, which repeated themselves towards the end of August. Activity have slowly increased, steam clouds have been observed rising up to the rim of the caldera and the earthquake activity has picked up a bit, too. The alarm level have been raised to 2.
More on VolcanoDiscovery:
 Top 20 quakes in 2016: Several magnitude 7 quakes occurred in 2016 (but none above M8): Papua New Guinea, NZ, Ecuador, Solomon Islands, Sumatra, Chile, Alaska and others - nearly all major earthquakes were located near active subduction zones.
See the top 20 list of largest quakes in 2016 with this map.  Volcano Tours on Hawai'i: The Hawaiian Islands are not only home to the most active volcanoes in the world, Kilauea and Mauna Loa on the Big Island, but also boast a unique natural environment. Born by volcanic activity of a very active hot spot in the middle of the Pacific Plate, they are a showcase of natural history. |
