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Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website. 

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.

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Volcano Watch — Volcanic ash lands at Jaggar Museum during south wind

Volcano Watch — Volcanic ash lands at Jaggar Museum during south wind

Visitors watching the lava from outside Jaggar Museum during a south (kona) wind may feel their skin prickle with excitement…or is it volcanic ash...

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Volcano Watch — Halema‘uma‘u Crater is making headlines again

Volcano Watch — Halema‘uma‘u Crater is making headlines again

Over the past week, lava has risen within the Halema‘uma‘u Overlook crater (active vent at the summit of Kīlauea) and overflowed onto the floor of the...

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Volcano Watch — Mauna Loa Observatory: The Keeling Curve recognized as landmark science

Volcano Watch — Mauna Loa Observatory: The Keeling Curve recognized as landmark science

On April 30, 2015, the National Oceanic and Atmospheric Administration (NOAA) and the American Chemical Society will commemorate Earth's pre-eminent...

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Volcano Watch — Lava from Pu‘u ‘Ō‘ō is still active, but not an immediate threat

Volcano Watch — Lava from Pu‘u ‘Ō‘ō is still active, but not an immediate threat

Lava erupting from Pu‘u ‘Ō‘ō since mid-March 2015 has spread slowly and irregularly across three areas located within about 7 km (4 mi) from the vent...

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Volcano Watch — April is Tsunami Awareness Month in Hawaii

Volcano Watch — April is Tsunami Awareness Month in Hawaii

April 1, 2015, marked the 69th anniversary of the 1946 tsunami that devastated the Island of Hawai‘i, causing widespread damage and taking 159 lives.

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Volcano Watch — Comparing Kalapana and June 27th flows provides perspective on lava advance

Volcano Watch — Comparing Kalapana and June 27th flows provides perspective on lava advance

To the casual observer, lava that recently flowed into the outskirts of Pāhoa might look a lot like the lava that grazed the village of Kalapana in...

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Volcano Watch — Mauna Loa lava flow blazes a trail for the Saddle Road

Volcano Watch — Mauna Loa lava flow blazes a trail for the Saddle Road

With the recent downgrade of the Volcano Alert Level for Kīlauea's June 27th lava flow that has been threatening the Pāhoa area, it's interesting to...

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Volcano Watch — Mauna Loa: Quiet for many years, but not to be forgotten

Volcano Watch — Mauna Loa: Quiet for many years, but not to be forgotten

Over the past few months, Mauna Loa, Hawai‘i Island's largest volcano, has shown subtle signs of stirring from its 31-year-long slumber (its most...

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Volcano Watch — Kīlauea Volcano's summit eruption in Halema‘uma‘u Crater turns seven

Volcano Watch — Kīlauea Volcano's summit eruption in Halema‘uma‘u Crater turns seven

While Kīlauea Volcano's East Rift Zone eruption at Pu‘u ‘Ō‘ō has been making headlines with the June 27th lava flow and its hazards, Kīlauea's summit...

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Volcano Watch — HVO welcomes its new Scientist-in-Charge: Christina Neal

Volcano Watch — HVO welcomes its new Scientist-in-Charge: Christina Neal

March 8 is International Women's Day. This year, it's also the day that Christina (Tina) Neal succeeds Jim Kauahikaua as Scientist-in-Charge of the...

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Volcano Watch — Ten Years at the Top: HVO's Scientist-in-Charge Steps Aside

Volcano Watch — Ten Years at the Top: HVO's Scientist-in-Charge Steps Aside

If Jim Kauahikaua had his way, you would not be reading this Volcano Watch article. That's because he deeply dislikes being the center of attention...

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Volcano Watch — Volcano Watching on the Other Side of the World

Volcano Watch — Volcano Watching on the Other Side of the World

If you were to drill a hole straight through Earth from Hawai‘i, you would eventually reach Botswana in Southern Africa. Not far from there—in the...

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