Mount Nyamuragira (top of image) and Mount Nyiragongo (bottom of image) are roughly 6 miles (10 kilometers) apart and are ...

They can have violent eruptions and can grow bigger as layers of thick lava and ash harden on top of each other. Mount Etna in Sicily, Italy, is an example of a composite volcano. Shield volcanoes ...

The neighboring peaks are among Africa's most active — and deadly — volcanoes. Mount Nyamuragira (top of image ... Nyamuragira is a dome-shaped shield volcano that stands up to 10,033 feet ...