Volcano Watch

One evening a couple of weeks ago, the summit of Kilauea began to deform at an impressive rate. Although the ground tilt and associated tremor caused...

April is "Tsunami Awareness Month" in Hawai`i. Tsunami is the deadliest natural hazard in Hawai`i. The month of April is chosen to remind people of...

Kīlauea has had many explosive eruptions in the past. Fortunately, we have no evidence that the volcano is building to another one. But it is prudent...

How big is an eruption? This is a short question with a long answer. Volcanologists, like other people, judge the size of something by comparing it to...

From time to time, we get calls from people who are writing about Kilauea, hoping to confirm the idea that Kilauea is the most active volcano on Earth...

A heightened awareness of earthquakes usually follows large and destructive ones, like those occurring in Turkey and El Salvador in 1999 and 2001...

A number of hills, elongate in an upslope-downslope (mauka-makai) direction, rise 30-425 m (100-1,400 feet) above the surrounding gentle slopes of...

Wouldn't it be nice to have eruption forecasts as rich in detail as our current weather forecasts, watches, and warnings? "This is your Hawai'i County...

Over the past couple of weeks, the international competition at the XIX Olympic winter games has captivated winter sports enthusiasts around the world...

As many of you die-hard eruption fans already know, lava is no longer entering the ocean, for the first time since last May. The tube leading to the...

Every year about Super Bowl time, Dick Fiske and Tim Rose, volcanologists from the Smithsonian Institution, join HVO's staff for 2-3 weeks to...

At dawn on January 17, 2002, the residents of Goma, a city of 500,000 along the eastern border of the Republic of Congo, awoke to glowing red skies...

In one of the most ambitious volcano-monitoring efforts ever undertaken, scientists of the Alaska Volcano Observatory (AVO) are moving ahead with...

The 1859 eruption of Mauna Loa began in the evening of January 23. Following a brief summit eruption, an outbreak occurred high on Mauna Loa's...

At this new calendar year, we welcome to our staff at the U S Geological Survey's Hawaiian Volcano Observatory our newest volcano watcher, Dr. Peter...

It is hard to believe that the Pu`u `O`o eruption became 19 years old on January 3. 

Haleakalā volcano, on Maui, is still in its postshield stage of volcanic evolution, as determined by 50 new isotopic ages. The volcano was long...

"When you can't breathe, nothing else matters." The motto of the American Lung Association resonates for many of us who live on the island of Hawai'i...

Early next month, the Hawaiian Volcano Observatory (HVO) will commemorate the ninetieth anniversary of its founding. On January 17, 1912, Thomas A...

The roadway into Hawai`i Volcanoes National Park is an obstacle course now, as construction is underway for the new entrance station. The new station...