News

Every year about this time, we write about the chemistry of lava erupting from Kīlauea Volcano.

March marks the anniversary of the most recent eruption of Mauna Loa, which began on March 25, 1984. It also reminds us of a much more destructive...

Kahauale‘a 2 flow and lava pond in Pu‘u ‘Ō‘ō remain active

March 25 is the 30th anniversary of the most recent eruption of Mauna Loa, Hawai‘i island's largest volcano.

Six years is a blink of an eye in geologic time, but it can fly by for people, too. In a way, it doesn't seem very long ago that the summit eruption...

Kahauale‘a 2 flow still moving through forest northeast of Pu‘u ‘Ō‘ō, and a lava pond in Pu‘u ‘Ō‘ō

March 5, 2014, marked the third anniversary of the onset of Kīlauea Volcano's four-day-long Kamoamoa fissure eruption. This brief episode marked the...

Soon after a large earthquake occurs, the USGS Hawaiian Volcano Observatory publicizes the preliminary location and magnitude. Have you ever wondered...

Ask a child to draw a volcano, and he or she will likely sketch a cone-shaped mountain erupting lava high into the air (with possibly a dinosaur or...

The earthquake swarm under Mammoth Mountain which started on February 3, 2014 has declined over the past few days. The daily numbers of earthquakes...