Mauna Loa, the world's largest volcano, began spewing molten rock Nov. 27 after being quiet for 38 years. Lava-viewers enjoyed the rare marvel of being able to see Kilauea erupting at the same time.
The volcano on Hawaii's Big Island began erupting more than a week ago and lava continues to flow, creating a huge new lake that's taken the place of a water lake it vaporized.
