The Mono Lake volcanic field east of Yosemite National Park and north of the Mono Craters in central eastern California is a series of cinder cones in Mono Lake and on its shore. It is one of the most recently active volcanoes in California, the last eruptions having occurred at Paoha Island only 100 or 230 years ago. Paoha Island's eruption was the appearance of a so-called cryptodome - a shallow intrusion of a viscous rhyolitic magma body that uplifted the lake bottom sediments.
Introduction to Plate Tectonics: The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.
Ubinas activity updates: The most frequently active volcano in Peru entered a new eruptive phase in 2014. Updates and news are regularly posted on this page.
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