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Boaters, hikers, pilots, and other outdoor enthusiasts can use hand-held Global Positioning System (GPS) receivers to locate themselves or to navigate...

An ancient Japanese proverb says that the most recent disaster fades from memory just before the next one strikes. Recently our friend Garret Hew of...

It started innocently enough. The long-lived lava lake disappeared from Halema`uma`u on February 21. Seventy-eight earthquakes were recorded in March...

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...

One common saying in the real estate business is that location is everything. This is particularly true from both geological and biological...

Kīlauea's summit magma chamber is connected to the rift-zone vents like a water tank linked by hose to an irrigation system. The hose comprises the...

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...

Some readers will know that the largest eruption in the world during the 20th century took place in Alaska in 1912, producing the Valley of Ten...

This past week, the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) hosted 68 Japan Broadcasting Company (NHK) personnel and associates...

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...