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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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July 21, 2011

Volcano Watch — Farewell to legacy seismic systems—welcome to ARRA upgrades in Kīlauea Caldera

Earlier this month, a key subset of the U.S. Geological Survey's (USGS) Hawaiian Volcano Observatory (HVO) seismographic network was upgraded. This...

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July 18, 2011

Photo and Video Chronology - Kīlauea - July 18, 2011

Video showing the recent uplift of the lava lake and crater floor in Pu‘u ‘Ō‘ō Crater.

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July 14, 2011

Volcano Watch — A picture is worth a thousand volcano watch articles

This week marks the occasion of the 1,000th published Volcano Watch article. For nearly two decades, these articles, written predominantly by the...

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July 11, 2011

Photo and Video Chronology - Kīlauea - July 11, 2011

Video showing timelapse sequence from Pu‘u ‘Ō‘ō Crater.

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July 7, 2011

Volcano Watch — Age-old questions pondered prior to Kīlauea Volcano's 1927 summit eruption

"Is the volcano dead?" "When will it erupt again?"

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June 30, 2011

Volcano Watch — Perched lava lake rising higher in Pu‘u ‘Ō‘ō crater

Lava erupting steadily inside the crater of Pu‘u ‘Ō‘ō during the past three months is slowly approaching the lava high point of March 5, just before...

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June 29, 2011

Photo and Video Chronology - Kīlauea - June 29, 2011

Looking west into Pu‘u ‘Ō‘ō Crater and the perched pond.

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June 23, 2011

Photo and Video Chronology - Kīlauea - June 23, 2011

Photos of the active lava lake in Pu‘u ‘Ō‘ō and its levee.

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June 23, 2011

Volcano Watch — "Move your paddle silently through the water"

The sight of seven majestic voyaging canoes (vaka) in Hilo Bay last weekend was awe-inspiring. The vaka from Aotearoa (New Zealand), Tahiti, Cook...

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June 16, 2011

Volcano Watch — The new shape of plumes under the Hawaiian Islands?

A recent scientific paper has re-kindled a long-running debate over the presence, shape, and depth of mantle plumes (sometimes called hot spots) under...

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June 10, 2011

Photo and Video Chronology - Kīlauea - June 10, 2011

HVO geologist and helicopter pilot repair a mobile Webcam. Pu‘u ‘Ō‘ō Crater is once again perched above the surrounding crater floor.

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June 9, 2011

Volcano Watch — The Founding of the Hawaiian Volcano Observatory

As we approach the 100th anniversary of the Hawaiian Volcano Observatory (HVO), we have realized that, while 1912 has long been recognized as the year...

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