Sunset Crater, San Francisco Volcanic Field

The San Francisco Volcanic Field is a 4,700 square kilometers (1,800 square miles) area in the southern boundary of the Colorado Plateau. The field contains more than 600 scoria cones active in the past six million years. ...

Tracking the hazards and benefits of volcanoes in East Africa

More than 100 young volcanoes – that have had activity within about 10,000 years – dot the landscape of the East African Rift – an area that runs for more than 3000 kilometres from Djibouti and Eritrea, down through ...

What makes volcanoes dangerous?

Fountains of lava, whiffs of toxic gases, acidic plumes of vaporized seawater and blankets of ash: those are just a few of the dangers that volcanoes have delivered in recent weeks, with Guatemala's Fuego Volcano and Hawaii's ...

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