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If you can stay longer, climb Cinder Cone, an outstanding example of the results of volcanism, and, if you have the stamina for a more demanding trek, try Lassen Peak. Four types of volcanoes ...

Ash released from shield volcanoes often builds up around the vent forming a steep, round hill known as a cinder cone. A lava tube may also form, beneath the surface of the ground, when low ...

These high lava fountains built the prominent Pu‘u‘o‘o cinder cone, which you can view on the Devastation Trail in Hawaii Volcanoes National Park. Hazards associated with lava fountaining ...

One of only four green sand beaches in the world, Papakolea sits at the southern tip of Hawaii’s Big Island. The ...

A snowy cinder cone on Mount Lassen in Northern California ... They determined that the water cycle plays a key role in explosive volcanoes in the Cascade Range. Disclaimer: AAAS and EurekAlert!

For 25 million years, volcanos spewed molten rock and ash across New Mexico, forming craters, super volcanos, cinder cones, lava flows and peak-less mountains. Over time, these massive eruptions ...