Volcano Watch

One of the basic objectives for seismographic networks is monitoring and maintaining records of earthquakes and other seismic sources. At the Hawaiian...

Pu`ukapukapu sits atop the most imposing cliff along the south coast of Kilauea, towering over the back-country camp site of Halape and dropping 320 m...

Lava has been a frequent visitor at Pu`u `O`o cone these past few weeks. It has flooded the crater floor and erupted from vents around the cone...

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...