Anatahan Volcano Update A new volcano update is being hosted by the Hawaiian Volcano Observatory in collaboration with the Emergency Management Office of the Commonwealth of the Northern Mariana Islands.

New USGS Report Describes Research Results of the Ongoing Eruption of Kilauea

The 20-year period of nearly continuous eruption of Kilauea is the volcano's longest since the famous lava-lake activity of the 19th century. No rift-zone eruption in more than 600 years even comes close to matching the duration and volume of activity of these past two decades. Fortunately, such a landmark event came during a period of remarkable technological advancements in volcano monitoring. When the eruption began, the Global Positioning System (GPS) and the Geographic Information System (GIS) were but glimmers on the horizon, broadband seismology was in its infancy, and the correlation spectrometer (COSPEC), used to measure SO2 flux, was still very young. Now, all of these techniques are employed on a daily basis to track the ongoing eruption and construct models about its behavior. The 12 chapters in this volume, written by present or past Hawaiian Volcano Observatory staff members and close collaborators, celebrate the growth of understanding that has resulted from research during the past 20 years of Kilauea’s eruption. The chapters of this new report range widely in emphasis, subject matter, and scope, but all present new concepts or important modifications of previous ideas—in some cases, ideas long held and cherished. See USGS Professional Paper 1676, The Pu`u `O`o-Kupaianaha Eruption of Kilauea Volcano, Hawai`i: The First 20 Years.

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