Thermal maps help with the pahoehoe challenge

Pahoehoe lava flows are a common feature on Hawaiian volcanoes, and they have been a serious hazard to residential areas during the Puu Oo eruption over the past few decades. Pahoehoe destroyed much of the town of Kalapana, buried most of the Royal Gardens subdivision, and most recently threatened the town of Pahoa.


Tephra deposit names: Out with the old, in with the new

Sometimes you just have to sit down and do it. Everyone is faced with this challenge at one time or another and scientists are no exception. Our research into the explosive history of Kilauea Volcano came to just such a


Creative engineering helps HVO monitor Mauna Loa Volcano

The USGS Hawaiian Volcano Observatory has a long tradition of innovation when it comes to the tools that we use to monitor the status and activity of volcanoes. Since HVO’s inception in 1912, observatory staff have developed techniques and manufactured


New map of Mauna Loa’s northeast flank now available

The new “Geologic map of the northeast flank of Mauna Loa volcano, Island of Hawaii,” the culmination of many years of work by Hawaiian Volcano Observatory geologists, was recently published by the U.S. Geological Survey. The work was spearheaded by