News

Yellowstone Caldera Chronicles is a weekly article written by U.S. Geological Survey Yellowstone Volcano Observatory scientists and colleagues. This...

From summit to rootless shield

Lava flow from filled West Gap Pit

A stunning colored map of Hawai`i, stretching from Ni`ihau to the Big Island, has just been published. This map is different from most others, because...

Pu`u `O`o and upper Mother's Day tube

Every November, we usually include a column on earthquakes in Hawaii to remind residents and to inform newcomers of the high seismic hazard on the...

Pu`u `O`o to rootless shield

Energy from the sun supports most life on our planet, but far below the sea surface, another, less obvious energy source pumps heat and life-giving...

Gloomy views near rootless shields

Kīlauea's eruption is 24/7; it needs no sleep, takes no days off, and cares not if rain is falling in buckets. HVO's staff is not 24/7; it needs sleep...