Legacy of lava

Hawaiian Volcano Observatory research geologist Frank Trusdell is considered an authority on Mauna Loa.

Mauna Loa eruption cuts access, power to Mauna Loa Observatory

Lava from the Mauna Loa eruption on Monday night crossed the access road to the Mauna Loa Observatory, knocking out access and power to one of only four NOAA laboratories across the globe that measure atmospheric conditions and monitor carbon dioxide levels.