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Genuine M-80s have paper endcaps, and contain slightly more powder. Contrary to urban legend, an M-80 that contains 3,000 mg of powder is not equivalent to a quarter-stick of dynamite. Dynamite generally contains a stable nitroglycerin-based high explosive, whereas M-80s or any other kind of firecracker contain a low explosive powder, like ...
On March 27, 1980, a series of volcanic explosions and pyroclastic flows began at Mount St. Helens in Skamania County, Washington, United States.A series of phreatic blasts occurred from the summit and escalated until a major explosive eruption took place on May 18, 1980, at 8:32 am.
Once a seamount is 600 m (2,000 ft) or more under the surface, it is also classed as a guyot. [ failed verification ] [ 1 ] This list documents the most significant volcanoes in the chain, ordered by distance from the hotspot, but there are many others that have yet to be properly studied.
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A landslide on 30 April 1979 killed 80 people, damaged five villages and destroyed farmland. [147] 1 Dieng Volcanic Complex [148] Indonesia 1979 149 149 people died of gas poisoning in Pekisaran Village on 20 February 1979. [149] 1 Mount Nyiragongo [150] Democratic Republic of the Congo 1977 70 Lava flows killed 70 people and left 800 people ...
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Here are all 388 names of those still missing: Louise Abihai. John Aeohuhu. Seth Alberico. Kalia Alberico. Jennifer Alviar. Generosa Amakata (aka Chun) June Anbe. Christoper Anderson. John (aka ...
The shield stage of the volcano is subdivided into three phases: the submarine, explosive, and subaerial. During this stage of growth, the volcano accumulates about 95 percent of its mass and it takes on the "shield" shape that shield volcanoes are named for. It is also the stage at which the volcano's eruptive frequency reaches its peak.