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On Friday, March 27, 1868, at 5:30 a.m., several whaling ships anchored in Kawaihae Harbor noticed a dense column of fume reflected by a bright light...

Many readers know that the island of Hawai`i is made of five volcanoes—Kīlauea, Mauna Loa, Hualālai, Mauna Kea, and Kohala. 

After an earthquake felt by residents of Hawai`i County, we at the U S Geological Survey's Hawaiian Volcano Observatory are often asked what the...

Earth scientists know a lot about Mauna Loa above sea level but much less about it under water. Studies have naturally focused on the easily...

Among the many tools earth scientists use, the measurement of gravity variations over the earth's surface is one of the most useful for studying...

Imagine this scene: the crew at the Hilo Fire Department receives a call telling them to stand by because an arsonist is setting a fire. If the blaze...

One of the most striking aspects of a newly formed lava flow is its barren and sterile nature. The process of colonization of such flows by plants and...

At a recent public meeting, the State of Hawai`i outlined a proposal to locate a new, approximately 2,300-bed medium-security correctional facility 10...

Hawai`i is one of the most extensively studied volcanic regions in the world. However, there is still very little known about the processes that take...

Groups of students of all ages frequently visit the U.S. Geological Survey's Hawaiian Volcano Observatory while they are on an excursion to Hawaii...