I’ll never forget the first time I saw Kilauea erupting. It was 1975 and Kilauea Iki was bubbling and spurting lava. It was ...

There is no tsunami threat to Hawaii after a 6.6 magnitude earthquake was recorded in the Samoa Islands region on Thursday ...

As of July 10, 334 earthquakes had been identified over the course of two days at Washington's Mount Rainier.

El Pasoans might've felt some shaking from an earthquake. A 5.0 magnitude earthquake shook western Texas late Friday, Feb. 14, according to the U.S. Geological Survey.

Data collected by Mauna Loa from 1958 onward let us clearly see the evidence of climate change for the first time. The station samples the air and measures global CO₂ levels.

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution — has led directly to climate change, driving sea level rise ...

That includes an office that helps support the pioneering carbon dioxide monitoring on Hawaii's Mauna Loa, and another that supports the National Sea Grant program and its aquaculture research.

In California, where the next “Big One” is an always-looming threat, some lessons learned from the 1925 Santa Barbara quake resonate even 100 years later, experts say.