The colossal Axial Seamount, one of the most active and best-monitored underwater volcanoes in the world, could erupt in a ...

A winter storm will bring severe weather across Hawaii beginning on Thursday, with impacts expected until Saturday morning.

The change measured by the Mauna Loa Observatory was likely driven by wildfires and continued burning of fossil fuels, ...

A powerful storm system pummeled Hawaii Thursday with flash flooding, damaging wind gusts, severe thunderstorms and blizzard-like conditions on the high mountain peaks.

The USGS Hawaiian Volcano Observatory spearheads Volcano Awareness Month each January on the Island of Hawaii. This year, in ...

Using a nearly 200-year record of lava chemistry from Kīlauea and Mauna Loa on the Big Island, scientists from University of ...

A powerful storm that will bring heavy rain, gusty winds and flash flooding is set to hit the Hawaiian Islands Wednesday ...

The Mauna Loa Observatory in Hawaii recorded the largest spike in atmospheric carbon dioxide (CO2) concentrations in 2024.

Although it usually happens once or twice a year, this will be a very big snow for the tops of the volcanoes in Hawaii. One to two feet of snow will be possible.

The HNN First Alert Weather Team earlier declared a First Alert Weather Day statewide through Friday morning. A Flash Flood ...

Severe weather is possible during the end of this work week. Several warnings and watches are currently posted across the ...