A satellite image has captured the simultaneous eruptions of Africa’s most active volcanoes, Mount Nyamuragira and Mount Nyiragongo, located in the Democratic Republic of the Congo. Taken in 2014 by ...

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 ...

Scientists will tell you that Amboy Crater, a volcanic cinder cone out in the Mojave Desert, has been dormant for maybe 10,000 years, but that doesn’t take into consideration its 1959 eruption ...

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!

Mount Tabor is a dormant volcanic cinder cone located 5 miles east of downtown Portland. It may sound like a trek, but the scenery is well worth it. At its summit, Mount Tabor provides vistas of ...

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 ...

The green sands come from olivine crystals from surrounding lava rocks in the Pu'u Mahana cinder cone of Mahana Bay ... crushed shells, and volcanic deposits. While you’re there, head to ...