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Skylight, Kīlauea Volcano, Hawai‘i.

Mauna Loa has gone 18.5 years without eruption--the second longest dry spell since detailed records begin in 1843. The longest period without eruption...

Pu‘u ‘Ō‘ō Cone, Kīlauea Volcano, Hawai‘i

In early August, Pago volcano, on the central coast of New Britain Island, suddenly began exploding rocks and volcanic ash into the air. Thousands of...

Recent work sheds light on Mauna Loa's magmatic plumbing. The U.S. Geological Survey has embarked on scientific investigations of the plumbing system...

Luckily, Hawai`i experiences volcanic ash much less often than it does lava flows. When it comes, though, it can be anything from a nuisance to a...

"Please do not let this rain dampen your spirits," Senator Daniel Inouye urged the gathering on a misty, breezy Volcano morning.

Big Island residents have long contended with the threat of tsunami. The central Pacific is, unfortunately, ground zero for many of the world's most...

On May 22, 1960, the largest earthquake ever recorded struck the coast of western Chile. The magnitude of this quake was so great that it literally...

On May 22, 1960, the largest earthquake ever recorded struck the coast of western Chile. The magnitude of this quake was so great that it literally...