Volcano Watch

Last week at the annual fall meeting of the American Geophysical Union, a special informational session was held to discuss the recent increased...

During the past two weeks, many people have heard roaring noises from the area of Pu`u `O`o, the prominently fuming cinder-and-spatter cone 12 km...

Five HVO scientists are in San Francisco this week, attending the fall meeting of the American Geophysical Union.

November has been a busy month historically for eruptions as well as earthquakes. Six historical eruptions have started in November on Kīlauea (1930...

November is a month that always makes HVO seismologist Jennifer Nakata a little nervous. Nakata says her discomfort surfaces about this time each year...

If the flow of lava in a tube ceased, how long would it take for the tube to cool? Does the temperature in a newly emptied tube drop by an equal...

Whether the issue is big, little, real, or imagined, we all worry. Most of us would agree, though, that it is better to worry about things we can do...

How do pahoehoe lavas flow? Over the years, many scientists have watched and measured active lava flows, and now we have a pretty good idea of the...

Recently, fall "vog season" returned to east Hawai`i, ushered in with phone calls to the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO)...

A volcano is a complex system. During periods of sustained eruption, such as the present time, Kīlauea Volcano undergoes little internal change.