Video Description: A USGS geologist carefully scoops molten lava from an active flow and drops it into a metal bucket, then cools it with water. Posted by U.S. Department of the Interior on ...

Video Description: A USGS geologist carefully scoops molten lava from an active flow and drops it into a metal bucket, then cools it with water. Posted by U.S. Department of the Interior on ...

These red-hot samples help scientists learn more about what's happening deep inside the volcano’s magma chambers. Video Description: A USGS geologist carefully scoops molten lava from an active flow ...

Video Description: A USGS geologist carefully scoops molten lava from an active flow and drops it into a metal bucket, then cools it with water. Posted by U.S. Department of the Interior on ...

Video Description: A USGS geologist carefully scoops molten lava from an active flow and drops it into a metal bucket, then cools it with water. Posted by U.S. Department of the Interior on ...

Video Description: A USGS geologist carefully scoops molten lava from an active flow and drops it into a metal bucket, then cools it with water. Posted by U.S. Department of the Interior on ...

Video Description: A USGS geologist carefully scoops molten lava from an active flow and drops it into a metal bucket, then cools it with water. Posted by U.S. Department of the Interior on ...

Video Description: A USGS geologist carefully scoops molten lava from an active flow and drops it into a metal bucket, then cools it with water. Posted by U.S. Department of the Interior on ...

Video Description: A USGS geologist carefully scoops molten lava from an active flow and drops it into a metal bucket, then cools it with water. Posted by U.S. Department of the Interior on ...