Geology of the Lassen volcanic area

Lassen Volcanic National Park is located in the Pacific Northwest region of the U.S. Pacific Oceanic tectonic plates have plunged ...
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Geology of the Grand Canyon area

The geology of the Grand Canyon area includes one of the most complete and studied sequences of rock on Earth. ...
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Geology of the Death Valley area

The oldest rocks in the area that now includes Death Valley National Park are extensively metamorphosed by intense heat and ...
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Geology of the Bryce Canyon area

The rocks exposed in Bryce Canyon are about 100 million years younger than those in nearby Zion National Park. Bryce ...
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Chicxulub crater

The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico. It was formed when a large ...
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Cerro Azul (Chile volcano)

Cerro Azul is an active stratovolcano in the Maule Region of central Chile, immediately south of Descabezado Grande. Its summit ...
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Armero tragedy

The Armero tragedy occurred following the eruption of the Nevado del Ruiz stratovolcano in Tolima, Colombia, on November 13, 1985. ...
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2007–2008 Nazko earthquakes

The 2007–2008 Nazko earthquakes were a series of small volcanic earthquakes measuring less than 4. 0 on the Richter magnitude ...
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2005 Qeshm earthquake

The 2005 Qeshm earthquake occurred on November 27 at 13: 52 IRST. It was Iran’s second major earthquake of 2005, ...
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