News

As we enter the month of May, we are remiss in not remembering that April was "Tsunami Awareness Month". April was chosen as "Tsunami Awareness Month"...

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...

At 2:56 PM local time, the Hawaiian Volcano Observatory seismographic network recorded a moderate earthquake from the Ka‘ū district of the Island of...

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...