Lavacicles, a common feature, are squeezed out of a lava tube’s roof by gases under high pressure and then cooled mid-drip. The gooey appearance of a rock wall in Manu Nui cave was formed when ...

Dramatic footage shows lava and molten rocks bursting through a narrow notch in the cone wall within the crater, 164 ft (50 m) into the air on February 4. Plumes can be seen billowing in the air ...