Skip to main content
U.S. flag

An official website of the United States government

News

Filter Total Items: 3756
Volcano Watch — Separating signals: What matters to seismologists?

Volcano Watch — Separating signals: What matters to seismologists?

Whether they originate above or below the Earth’s surface, a wide array of signals appear on the USGS Hawaiian Volcano Observatory’s earthquake...

Read Article
Restful or restless? How we recognize volcanic 'unrest'

Restful or restless? How we recognize volcanic 'unrest'

All's quiet on the volcano front in California for the New Year. But what does it mean when we say a volcano is 'quiet' or at 'background levels of...

Read Article
USGS HVO Information Statement — Kīlauea summit unrest

USGS HVO Information Statement — Kīlauea summit unrest

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) is recording elevated unrest and increased seismicity to the south of Kīlauea's summit...

Read Article
Volcano Watch — New Year’s Eve 1974: Kīlauea volcano’s most recent Southwest Rift Zone eruption

Volcano Watch — New Year’s Eve 1974: Kīlauea volcano’s most recent Southwest Rift Zone eruption

Kīlauea is one of the most active volcanoes on Earth, with a majority of its eruptions occurring at its summit or one of its two rift zones, the East...

Read Article
Volcano Watch — A Pūpū Platter of Earthquakes

Volcano Watch — A Pūpū Platter of Earthquakes

A pūpū platter is an assortment of appetizers commonly served at social gatherings in Hawaii. During one week in December 2023, Island of Hawaiʻi...

Read Article
Volcano Watch — Sniffing out stealthy gas escape between Kīlauea’s eruptions

Volcano Watch — Sniffing out stealthy gas escape between Kīlauea’s eruptions

Kīlauea has erupted three times in 2023—January–March, June, and September—and has also experienced significant intrusive activity to the southwest of...

Read Article
Volcano Watch — Opportunities to learn about the volcanoes in your backyard in January 2024

Volcano Watch — Opportunities to learn about the volcanoes in your backyard in January 2024

Volcanoes are a part of life for Hawaii residents. We live on the flanks, feeling earthquakes beneath our feet, smelling vog, and experiencing the...

Read Article
Announcing Island of Hawai‘i Volcano Awareness Month Programs in January 2024!

Announcing Island of Hawai‘i Volcano Awareness Month Programs in January 2024!

January is Volcano Awareness Month on the Island of Hawai‘i! HVO, in cooperation with Hawai‘i Volcanoes National Park, the University of Hawai‘i at...

Read Article
Volcano Watch — Explosive eruptions from Kīlauea: beneficial or dangerous depending on location

Volcano Watch — Explosive eruptions from Kīlauea: beneficial or dangerous depending on location

Twenty-five years ago, the frequently explosive activity of Kīlauea was unappreciated. Since then, continuing research has emphasized Kīlauea’s past...

Read Article
Volcano Watch — Volcano monitoring can be a risky business: how scientists work safely

Volcano Watch — Volcano monitoring can be a risky business: how scientists work safely

Active volcanoes are inherently hazardous places to work. Even when a volcano is quiet, volcanic gases, ground cracks, earthquakes, and uneven...

Read Article
Volcano Watch — Fostering Prepared Youths on the Natural Hazards of Backyard Volcanoes

Volcano Watch — Fostering Prepared Youths on the Natural Hazards of Backyard Volcanoes

During volcanic crises, the USGS Hawaiian Volcano Observatory (HVO) plays a pivotal role, sharing information on activity and associated hazards with...

Read Article
Volcano Watch — What’s shaking beneath Mauna Loa?

Volcano Watch — What’s shaking beneath Mauna Loa?

It’s hard to believe that nearly one year has passed since Mauna Loa erupted. Mauna Loa has been mostly quiet since the end of the 2022 eruption, but...

Read Article