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News about Mauna Loa.

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Volcano Watch — Why is Kīlauea Volcano's current lava flow called the "61g" flow?

Volcano Watch — Why is Kīlauea Volcano's current lava flow called the "61g" flow?

Have you ever wondered why Kīlauea Volcano's current lava flow is called the "61g" flow? To explain, we must go back to the beginning of the ongoing...

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Volcano Watch — January 2017 is Hawai‘i Island's 8th annual Volcano Awareness Month

Volcano Watch — January 2017 is Hawai‘i Island's 8th annual Volcano Awareness Month

The New Year is just around the corner, so it's time to remind everyone that January is Volcano Awareness Month on the Island of Hawai‘i.

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Volcano Watch — International gathering addresses best practices in volcano hazard assessment

Volcano Watch — International gathering addresses best practices in volcano hazard assessment

In mid-November 2016, 70 representatives of volcano observatories from 20 volcanically active nations around the world came together in Vancouver...

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Volcano Watch — An assumption about Kīlauea Volcano is proven wrong

Volcano Watch — An assumption about Kīlauea Volcano is proven wrong

Everyone extrapolates facts and makes assumptions based on those facts. Sometimes, such an assumption is repeated so often that it takes on the aura...

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Volcano Watch — Seabirds struggle for survival on Mauna Loa

Volcano Watch — Seabirds struggle for survival on Mauna Loa

High on the slopes of Mauna Loa, the largest active volcano on Earth, a unique Hawaiian seabird struggles for survival. 

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Volcano Watch — New informational products offer guidance on living with vog in Hawaii

Volcano Watch — New informational products offer guidance on living with vog in Hawaii

For this winter's vog season, new resources are available to help people become familiar with, and minimize their exposure to, vog.

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Volcano Watch — Helicopter pilots and mechanics crucial for monitoring and observing active volcanoes

Volcano Watch — Helicopter pilots and mechanics crucial for monitoring and observing active volcanoes

Helicopter pilots and mechanics crucial for monitoring and observing active volcanoes.

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Volcano Watch — New techniques cement GPS as a critical tool for volcano monitoring

Volcano Watch — New techniques cement GPS as a critical tool for volcano monitoring

GPS is one of the primary tools we use to monitor ground motion and detect what's happening inside and around Hawaiian volcanoes.

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Volcano Watch — Amber waves of … Pele's hair?

Volcano Watch — Amber waves of … Pele's hair?

The lava lake within Halema‘uma‘u Crater at the summit of Kīlauea Volcano is creating a scene remindful of a messy barbershop floor, except that it's...

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Volcano Watch — 2006 Kīholo Bay earthquakes spur monitoring improvements

Volcano Watch — 2006 Kīholo Bay earthquakes spur monitoring improvements

Ten years ago shortly after 7:00 a.m., HST, on Sunday, October 15, 2006, two damaging earthquakes struck off the northwest coast of the Island of...

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Volcano Watch — How big is that earthquake? Why magnitudes sometimes change

Volcano Watch — How big is that earthquake? Why magnitudes sometimes change

Characterizing earthquakes is one of the most important activities we do at the USGS Hawaiian Volcano Observatory (HVO). Seismicity helps us monitor...

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Volcano Watch — Kamakaiʻa Hills: what are they and why are they there?

Volcano Watch — Kamakaiʻa Hills: what are they and why are they there?

Visitors to the Jaggar Museum and Ka‘ū Desert in Hawai‘i Volcanoes National Park, struck by the appearance of three dark, symmetrical volcanic cones...

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