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Residents of Hawai‘i are no strangers to earthquakes. Those of us on the Big Island, especially, are used to feeling several earthquakes every year...

As the Memorial Day weekend arrives, many Hawai‘i residents will head for the beach. Others might use the long break to visit family and friends or go...

On May 22, 1915 an explosive volcanic eruption occurred at Lassen Peak, California.

Coastal plain flows still slowly advancing towards ocean; lava pond in Pu‘u ‘Ō‘ō.

The enormous explosive eruption of Novarupta, a new volcano on the Alaska Peninsula, in 1912 is exceptional for many reasons. It created the famous...

Spattering at Halema‘uma‘u lava lake.

High lava level and spattering at Halema‘uma‘u.

Pu‘u ‘Ō‘ō lava lake remains active; flows on coastal plain weak.

When Nevado del Ruiz volcano, Colombia, began showing signs of restless activity in December 1984 after more than a century of quiet, a formal volcano...

Video shows nngoing spattering at the lava lake in Halema‘uma‘u crater.