Volcano Watch

As reported in the previous Volcano Watch, a new vent opened on the south flank of Pu`u `O`o two weeks ago, on Sunday, January 18. The behavior of the...

If Pu`u `O`o were human, it would make a great baseball pitcher. It throws blazing fastballs, slow change-ups, and sharp curveballs that leave the...

Since the beginning of the New Year, much attention has been focused on Earth's celestial neighbor, the planet Mars. Though the main goal of the...

Lava flows stopped pouring into the sea on the south shoreline of Kīlauea 6 months ago. Few imagined that it would mark the beginning of a progressive...

Arnold Okamura retired on January 3 after more than 42 years with the U.S. Geological Survey, 39 at the Hawaiian Volcano Observatory. His tenure at...

The Volcano Watch of December 19, 2002 detailed an oceanographic cruise studying the 1877 submarine eruption of Mauna Loa in Kealakekua Bay. Only two...

Despite its notoriety as Hawai`i's youngest volcano, Lo`ihi remains a submarine mystery for most of us. This is because fieldwork there is limited to...

HVO is proud to report that Elliot T. Endo, long-time HVO associate and 1961 graduate of Hilo High School, has been named Scientist-in-Charge of the U...

Are you still trying to find that special holiday gift for the volcanologist in your life? If so, you've come to the right place. The mini-UV...

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...

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...

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...

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...

Two weeks ago, scientists from around the world came together to discuss past and future research on an important, but little known, volcano. Long...

On November 29, 1975, the latest magnitude-7 earthquake in Hawai`i struck near Kalapana, causing a tsunami that killed two campers at Halape and...

We're accustomed to seeing news stories about natural disasters around the world where either national or international aid agencies come to the...

A recent Hollywood disaster movie depicts a scenario in which the earth's magnetic core has stopped spinning, causing the planet's electromagnetic...

A recent Hollywood disaster movie depicts a scenario in which the earth's Geologists on the Big Island know that they are among the privileged few in...

Good red wine improves with age. So, often, does research. With time, more information is gathered, more thought given, and more sophisticated...

On May 10, 2003, Anatahan Volcano in the Northern Marianas Islands awoke for the first time in reported history and sent eruption cloud to heights...