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This eruption was the largest in at least 1,300 years (after the hypothesized eruption causing the volcanic winter of 536); its effect on the climate may have been exacerbated by the 1814 eruption of Mayon in the Philippines. The significant amount of volcanic ash and gases released into the atmosphere blocked sunlight, leading to global cooling.
The eruption column of Mount Pinatubo on June 12, 1991, three days before the climactic eruption View to the west from Clark Air Base of the major eruption of Pinatubo on June 15, 1991. The June 15–16 climatic phase lasted more than fifteen hours, sent tephra about 35 km (22 mi) into the atmosphere, generated voluminous pyroclastic flows ...
Map showing volcanoes of Alaska Peninsula. Katmai caldera before and after surveys of 1908 and 1951. Mount Katmai is one of five vents encircling the Novarupta volcano, source of the VEI 6 eruption and associated voluminous pyroclastic flows in 1912. Katmai consists chiefly of lava flows, pyroclastic rocks, and non-welded to agglutinated air fall.
Photos show Icelandic volcano erupting for 10th time in 3 years Lava spurts and flows after the eruption of a volcano in the Reykjanes Peninsula near Grindavik, Iceland, in this handout picture ...
On the morning of May 18, 1980, photographer Robert Landsburg hiked 7 miles from the summit of Mount St. Helens in the Cascades mountain range. As the lens of his camera viewed the snowy cap of ...
The ongoing volcanic eruptions on Hawaii's Big Island have caused severe damage to residential neighborhoods surrounding the Kilauea volcano. Before-and-after photos reveal Hawaii's volcanic ...
The photos, taken by Blackburn during a helicopter photo shoot of the mountain the month before the eruption, were successfully developed over 30 years after Blackburn's death, and remain journalistically important as a record of the pre-eruption landscape. [19]
A high volcanic cone with a single central vent formed before the 1815 eruption, which follows a stratovolcano shape. [17] The diameter at the base is 60 kilometres (37 mi). [7] The volcano frequently erupted lava, which descended over steep slopes. [17] Tambora has produced trachybasalt and trachyandesite rocks which are rich in potassium.