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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 — What does the National Earthquake Information Center have to do with Hawai‘i?

Volcano Watch — What does the National Earthquake Information Center have to do with Hawai‘i?

One of the marvelous aspects of our modern, internet-connected world is the ability to share vast amounts of data at the speed of light across the...

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Volcano Watch — International team visits Hawaii to study volcanic impacts: local lessons, global applications

Volcano Watch — International team visits Hawaii to study volcanic impacts: local lessons, global applications

Hawai’i’s mid-Pacific location makes it an excellent meeting ground for globally dispersed collaborators of all kinds.

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Volcano Watch — Active lava lakes are found beyond Earth

Volcano Watch — Active lava lakes are found beyond Earth

Exploration of volcanoes within our solar system has been much like the exploration of Hawaiian volcanoes in the 19th century: sporadic.

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Volcano Watch — Recent activity highlights Kīlauea Volcano's restless nature

Volcano Watch — Recent activity highlights Kīlauea Volcano's restless nature

Kīlauea made the news this past month with many changes, including an elevated lava lake level at the volcano's summit, which provided spectacular...

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Volcano Watch — Restless activity beneath Mauna Loa continues

Volcano Watch — Restless activity beneath Mauna Loa continues

The recent high lava lake levels at Kīlauea Volcano have caught the attention of visitors and kama‘aina alike. But we shouldn't forget that unrest at...

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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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