A massive, iron-rich structure sitting at the base of Earth’s mantle beneath the Hawaiian Islands may be doing more than ...

When referred to as a gas, it means a volatile has transitioned into the vapor phase. The most common gases (or vapor phase volatiles) emitted at the surface are water (H2O), carbon dioxide (CO2), and ...

While all that snow was falling on the volcanoes, heavy rain fell closer to sea level in Hilo and Honolulu, where ...

When Mauna Loa volcano erupted in November 1935 and threatened the local water supply, officials dropped bombs to divert the ...

Severe winter weather has impacted the entire United States this year, from coast to coast, and yes, even all the way out in ...

Hawai‘i is dealing with another rough weather day as strong winds, heavy rain and even summit snow impact all islands. The ...

Hawaii is under a Flood Watch as torrential rain and thunderstorms are expected to impact the region. A cold front is approaching the Aloha State and will gradually weaken and stall across the islands ...

Kilauea has been erupting episodically within the summit caldera since Dec. 23, 2024. Its USGS Volcano Alert level is WATCH.

A week-and-a-half after Episode 41 of Kilauea’s yearlong summit eruption deposited tephra — lightweight volcanic glass debris ...

Many Hawaiʻi Island communities downwind from the eruptive vents in the southwest portion of Halemaʻumaʻu Crater inside the ...

The magnitude 6.9 earthquake that took place in 2018 on the south flank of Kīlauea on the Island of Hawaiʻi may have stalled ...

The following dates and times are scheduled for February flight operations in Hawai‘i Volcanoes National Park on the Big ...