Lava flows are masses of magma that pour onto the Earth's surface during an eruption; they include both moving lava and the resulting solidified deposits of black rock. Lava flows come in a great ...

Most of Hawaii’s lava tubes are formed by a type of syrupy flow called pahoehoe ... a nonprofit trust that has been buying up land in and around Ocean View to preserve the tunnels that lie ...

There are two main types of ... a cinder cone. A lava tube may also form, beneath the surface of the ground, when low viscosity lava develops a hard crust through which lava flows.

Its lava flows have quite literally been erupting in ... Getty Images Volcanoes pose many different types of danger to those who live near them. In the case of Kilauea, the United States ...

Icelandic videographer Jeroen Van Nieuwenhove captured breathtaking footage of lava flowing across snow in Sundhnukagigar, ...

Composite volcanoes are the most common type of volcano ... so I’ll need to watch out for things like lava flow. Lava is very hot molten or liquid rock, which reaches over 1,000 degrees.

In 1977 lava raced down the mountain at more than 60 miles an hour, the fastest ever observed. Several hundred people died, even though the flow had hardened ... out-the-top types, so-called ...

This aerial image, courtesy of Hawaii Dept. of Land and Natural Resources, shows lava flows on Mauna Loa on Wednesday near Hilo, Hawaii. Hawaii Dept. of Land and Natural Resources via AP In 1881 ...

A revised hazard map for volcanic Mount Fuji in central Japan suggests the volume of lava flow from a major eruption would likely be double that of previous estimates. The updated finding was ...

Our plan: To walk 80 miles across the lava flows with Limbert’s diary as our guide. Coincidentally, our 2014 expedition would mark the 50th anniversary of the Wilderness Act, which was first used to ...

simulated Martian mud flows were seen to behave a bit like boiling toothpaste. Under certain conditions, the fluid even began to bounce. The mucky gunge resembled a certain type of lava referred ...

One of the most unique things to do in Hawaii is visit Volcanoes National Park. It is a must-visit destination for anyone who ...