News

The episodic summit eruption of Kīlauea in Halemaʻumaʻu crater has been going on for over three months now, with sixteen eruptive episodes displaying...

When magma moves into the rift zone of a Hawaiian volcano, there is understandably a lot of excitement and apprehension.  How far will the magma go...

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift Zone severely impacted the...

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open the can, the pressure...

Kīlauea is in a unique phase of activity in Halemaʻumaʻu, with 12 episodes of dual lava fountains since December 23, 2024. Several past eruptions have...

It was a dark and stormy night…

No, this isn’t a ghost story or horror movie – it’s a “Volcano Watch” about the eruption last fall near Nāpau Crater on...

Kīlauea has been erupting episodically for the past two months in Halemaʻumaʻu, nested within the south end of Kaluapele, the summit caldera...

Earthquakes are a common occurrence in Hawaii. If you subscribe to emergency, earthquake, or volcano notifications, the shaking you feel might be...

What is the collective noun for a group of volcano scientists? While some tongue-in-cheek responses might be “an eruption of volcanologists” or “a...

The USGS Hawaiian Volcano Observatory (HVO) spearheads Volcano Awareness Month each January on the Island of Hawaiʻi. This year, in addition to in...