News

What values do these road-less areas offer for science, for recreation, for wildlife? As public land owners, we all shape the future of the  Greater...

Water pond in Halema‘uma‘u continues to grow

February 28, 2020, marks the 65th anniversary of Kīlauea Volcano's 1955 lower East Rift Zone (LERZ) eruption. In recognition of this historic event...

Did you know that there are similar caldera systems spread across the globe? And many of these are far more volcanically active than Yellowstone!

The origin(s) of volcanic ash deposits on the Island of Hawai‘i have been an enigma, especially those found on and between Kīlauea and Mauna Loa. We...

Interferogram shows range change at Mauna Loa and Kīlauea
 

Interferogram shows range change at Mauna Loa and Kīlauea

The lack of any basalt in Yellowstone caldera—the existence of a magmatic "shadow"—is good evidence that the rhyolite magma chamber is still at least...

Portulaca sclerocarpa (also known as ‘Ihi mākole) is a critically endangered small succulent plant in the purslane family (Portulacaceae). It only...

Images acquired using inexpensive cameras from airborne platforms can be used to monitor surface changes in thermal areas over a variety of spatial...

Continuing with the Volcano Awareness Month theme of people and their work at the USGS Hawaiian Volcano Observatory, we move on to another role at HVO...