Found 15 datasets matching "pyroclastic flows".
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At dawn on June 15, 1991, a cataclysmic eruption began with a tremendous explosion that destroyed ten deserted villages. This eruption deposited approximately 5 to 7 km3 of volcanic fragments in...
Search relevance: 76.31 | Views last month: 0 -
This report evaluates the volcano-related hazards, including regional mafic lava flows, silicic lava domes, pyroclastic flows, lahars, and volcanic ash, of the Lassen region, California, which is...
Search relevance: 65.20 | Views last month: 0 -
Mount Pinatubo is an andesitic island arc volcano, located on the southwestern part of the island of Luzon in the Philippines. Prior to 1991, it had been dormant for more than 635 years. After...
Search relevance: 64.63 | Views last month: 0 -
The lateral blast, debris avalanche, pyroclastic flows, and lahars of the May 18th, 1980, eruption of Mount St. Helens, Washington, dramatically altered the surrounding landscape. The debris...
Search relevance: 64.32 | Views last month: 0 -
The word volcano is used to refer to the opening from which molten rock and gas issue from Earth's interior onto the surface, and also to the cone, hill, or mountain built up around the opening by...
Search relevance: 51.61 | Views last month: 1 -
The word volcano is used to refer to the opening from which molten rock and gas issue from Earth's interior onto the surface, and also to the cone, hill, or mountain built up around the opening by...
Search relevance: 50.64 | Views last month: 4 -
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the first two years of the...
Search relevance: 49.12 | Views last month: 0 -
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the first two years of the...
Search relevance: 46.36 | Views last month: 3 -
Volcanic eruptions are most likely to occur in the Pacific Rim states, which include Oregon. The primary danger area around a volcano covers an approximately 20-mile radius, although there is some...
Search relevance: 45.20 | Views last month: 3 -
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the first two years of the...
Search relevance: 45.15 | Views last month: 0 -
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the first two years of the...
Search relevance: 45.15 | Views last month: 0 -
La Soufrière Volcano is a 1,220 m high stratovolcano that occupies the northern half of the island of St. Vincent, Lesser Antilles, Eastern Caribbean. It has a long history of explosive and...
Search relevance: 38.58 | Views last month: 0 -
The Digital Geologic and Volcanic Hazards Map for Crater Lake National Park and Vicinity, Oregon is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS...
Search relevance: 20.48 | Views last month: 5
