News

In last week's article we mentioned that April is tsunami awareness month in Hawai`i and earthquakeawareness month in California.

Early Monday morning, residents of the northern half of the island were awakened by a magnitude-3.9 earthquake. This was a gentle reminder that we...

Here's a riddle for you—which large land holder on the Big Island condemns property at will, holds liens on large parts of the island, and doesn't pay...

Late on March 30, a visiting geology student from Oregon fell about 12 m (40 feet) into a crack in the ground between Crater Rim Drive and the rim of...

Nearly on the other side of the planet, the Big Island has a sister, older by at least a couple of million years: Reunion Island, built in the same...

The summits of volcanoes are part of an ever-changing landscape. The summit of Mauna Loa has undergone considerable change in the short period since...

The U.S. Geological Survey's Hawaiian Volcano Observatory currently operates a network of 65 seismic stations. Signals from each station, including...

Haleakalā Crater is a large erosional valley at the summit of Haleakalā volcano, East Maui. It formed after the rimrock lava flows were erupted around...

March 5 is the 36th anniversary of one of Kīlauea's most important eruptions—the 1965 eruption that formed Makaopuhi lava lake. It was the fifth of...

Several scientists from the Hawaiian Volcano Observatory and the University of HAW‘A‘āII attended the Cities on Volcanoes II conference held in...