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Surface flows on pali and coastal plain; small lava lake in Pu‘u ‘Ō‘ō.

The use of fingerprints, first considered as a means of identification in the 1880s, is now ubiquitous in murder mysteries, TV crime shows, and...

When William Ellis, the first Western visitor to the summit of Kīlauea, looked out over the broad and deep caldera in 1823, he noted that it "had been...

Widespread flows on coastal plain and pali, but little advancement.

For decades, the State of Hawaii has been trying to reduce our dependence on fossil fuels. Energy from Hawai‘i geothermal resources is but one of...

Hawai‘i's eruptions over the past several decades have been relatively benign, being characterized mostly by persistent lava lake activity or lava...

Lava flows on the pali and coastal plain, and a lava pond in Pu‘u ‘Ō‘ō.

Erupting volcanoes are obviously noisy places, but there are sounds that we do not hear as well. Infrasound is an acoustic wave with a frequency that...

We all know Yellowstone is hot… but how hot? And how can we detect park- or basin-wide changes in geothermal areas (regions that let off Earth's...

In the past half-million years, Mauna Kea has supported an ice cap at least four times. These glaciations occur when the climate is cold and wet, when...