The history of how the most active volcanoes in the 20th century erupted

Ontake in Japan on September 27th now stands at 54 with 12 still missing.

The history of how the most active volcanoes in the 20th century erupted

Helens, located in southwestern Washington about 50 miles northeast of Portland, Oregon, is one of several lofty volcanic peaks that dominate the Cascade Range of the Pacific Northwest; the range extends from Mount Garibaldi in British Columbia, Canada, to Lassen Peak in northern California.

Geologists call Mount St. Helens a composite volcano or stratovolcanoa term for steepsided, often symmetrical cones constructed of alternating layers of lava flows, ash, and other volcanic debris.

Composite volcanoes tend to erupt explosively and pose considerable danger to nearby life and property. In contrast, the gently sloping shield volcanoes, such as those in Hawaii, typically erupt nonexplosively, producing fluid lavas that can flow great distances from the active vents.

Although Hawaiian-type eruptions may destroy property, they rarely cause death or injury. Beforesnow-capped, gracefully symmetrical Mount St.


Helens was known as the "Fujiyama of America. Helens, other active Cascade volcanoes, and those of Alaska form the North American segment of the circum-Pacific "Ring of Fire," a notorious zone that produces frequent, often destructive, earthquake and volcanic activity.

Helens "Louwala-Clough," or "smoking mountain. Helens, was given to the volcanic peak in by Captain George Vancouver of the British Royal Navy, a seafarer and explorer.

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He named it in honor of a fellow countryman, Alleyne Fitzherbert, who held the title Baron St. Helens and who was at the time the British Ambassador to Spain.

Vancouver also named three other volcanoes in the Cascades--Mounts Baker, Hood, and Rainier--for British naval officers. Indians on the Cowlitz River watching an eruption of Mount St.

Helens, as painted by Canadian artist Paul Kane following a visit to the volcano in Photograph courtesy of the Royal Ontario Museum. Indian Legend of Mount St.

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Helens Eruption Before Mt. Helens blew its top is was a beautifully symmetric rounded snow-capped mountain that stood between two powerfully jagged peaks Mt. Hood which Indians called Wy'east and Mt. Adams which Indians called Klickitat.

According to one Indian legend, the mountain was once a beautiful maiden, "Loowit".Japan is is a member of the United Nations, G8, and APEC, with the world's fifth largest defense is the world's fourth largest exporter and sixth largest importer.

Japan is the second largest financial contributor to the United Nations, providing 20 percent of . The May 18, eruption of Mount St. Helens (Washington) was the most destructive in the history of the United States.

The history of how the most active volcanoes in the 20th century erupted

Novarupta (Katmai) Volcano in Alaska erupted considerably more material in , but owing to the isolation and sparse population of the region, there were no human deaths and little property damage. In contrast, the . The Top 10 Volcanic Eruptions.

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blew up in one of the most powerful eruptions of the 20th Century. An active volcano with a lake in its caldera, the most . Volcanoes did not play an important role in the Scriptures. However, some scholars have theorized that some of the events documented in the Scriptures were due to the actions of volcanoes, usually catastrophic events, possibly the plagues in Egypt.

Thought to be active thousands of years ago, this volcano had one of the largest eruptions of the 20th century in when explosions could be heard all the way to Costa Rica, around miles ( km) south of the volcano.

It last erupted in , with active lava flow producing avalanches. Top 20 Deadliest Volcanic Eruptions Since The Taal Volcano on Luzon Island is the 2nd most active volcano in the Philippines. it would appear to .

Top 20 Deadliest Volcanic Eruptions Since | Weather Extremes