News

This past April marked one hundred years since Mauna Loa’s 1926 Southwest Rift Zone eruption — an eruption remembered for its dramatic lava flows...

April marked the 100-year anniversary of Mauna Loa’s 1926 Southwest Rift Zone eruption. This eruption is most remembered for the destruction of Ho...

Recent publications in a special Bulletin of Volcanology volume, titled, "Mauna Loa 2022 – Unrest, Eruption, and Outreach at the World’s Largest...

The 2022 eruption of Mauna Loa was an extraordinary eruption in a lot of ways. It was the first eruption from this volcano in 38 years and the first...

USGS Hawaiian Volcano Observatory scientists conducted an overflight of Mauna Loa, and serviced Mauna Loa webcams, on December 23. That night, Kīlauea...

Despite the popularity of "Wicked" lately, we’re not talking about that particular twister. We’re talking about the tornado- or whirlwind-like...

On August 12, USGS-Hawaiian Volcano Observatory field engineers visited monitoring sites on Mauna Loa volcano to upgrade and install new monitoring...

HVO staff are conducting the annual Mauna Loa GPS campaign and the ongoing Kīlauea summit eruption that began on December 23, 2024, is currently...

As people from around the world are captivated by episodic lava fountaining during the ongoing Kīlauea eruption in Halemaʻumaʻu, let’s use the current...

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...