North Sulawesi Volcano Tours north sulawesi volcanoes tours packages indonesia volcano tours treking in tomohon north sulawesi volcano paket wisata gunung api di sulawesi utara tomohon manado sangihe kotamobagu bitung klabad soputan minahasa siau karangetang mahengetang awu underwater volcano diving tours paket wisata sulawesi utara.

North Sulawesi is the biggest Volcanoes area in Sulawesi islands, Place of Volcano area photography and discovery,there is 10 active Volcano in north sulawesi, Lokon volcano in Tomohon,mahawu volcano in tomohon,soputan volcano in Minahasa,klabat volcano in minahasa,mahengetang,karangetang,awu volcano in sangihe siau islands,manado tua islands near bunaken and gunung ambang in kotamobagu. one volcano on this area inside the underwater.treking and discovery volcanoes in north sulawesi is amazing experience eco natural holidays.

Soputan Volcano is a high-alumina basalt stratovolcano located in the active North Sulawesi-Sangihe Islands magmatic arc. Although immediately adjacent to the still geothermally active Quaternary Tondono Caldera, Soputan’s magmas are geochemically distinct from those of the caldera and from other magmas in the arc. Unusual for a basalt volcano, Soputan produces summit lava domes and explosive eruptions with high-altitude ash plumes and pyroclastic flows—eight explosive eruptions during the period 2003–2011. Our field observations, remote sensing, gas emission, seismic, and petrologic analyses indicate that Soputan is an open-vent-type volcano that taps basalt magma derived from the arc-mantle wedge, accumulated and fractionated in a deep-crustal reservoir and transported slowly or staged at shallow levels prior to eruption.

a combination of high phenocryst content, extensive microlite crystallization and separation of a gas phase at shallow levels results in a highly viscous basalt magma and explosive eruptive style. The open-vent structure and frequent eruptions indicate that Soputan will likely erupt again in the next decade, perhaps repeatedly. Explosive eruptions in the Volcano Explosivity Index (VEI) 2–3 range and lava dome growth are most probable, with a small chance of larger VEI 4 eruptions. A rapid ramp up in seismicity preceding the recent eruptions suggests that future eruptions may have no more than a few days of seismic warning. Risk to population in the region is currently greatest for villages located on the southern and western flanks of the volcano where flow deposits are directed by topography. In addition, Soputan’s explosive eruptions produce high-altitude ash clouds that pose a risk to air traffic in the region.

North sulawesi is a unique place,metting the ocean coral reef and mountain volcanos and rainforest.Hapiness austronesia culture and tolerant democracy society.

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