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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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Photo and Video Chronology - Kīlauea - March 27, 2008

Photo and Video Chronology - Kīlauea - March 27, 2008

Plume turns from bright white to reddish-brown.

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Volcano Watch — A New Ash Plume Rises from Kīlauea's Summit

Volcano Watch — A New Ash Plume Rises from Kīlauea's Summit

Last week's "Volcano Watch" detailed the development of the new gas vent - and small explosive eruption - on the south wall of Halema`uma`u Crater.

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USGS HVO Press Release — Halema‘uma‘u Gas Plume Becomes Ash-laden

USGS HVO Press Release — Halema‘uma‘u Gas Plume Becomes Ash-laden

There is now continuous emission of ash from the new gas vent in Halema‘uma‘u Crater, turning the formerly white cloud of fume a dusty-brown color.

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Volcano Watch — Something Had to Change After 25 Years

Volcano Watch — Something Had to Change After 25 Years

2008 will be known as the year that Kīlauea Volcano had a mid-life crisis. After 25 years of almost continuous, effusive eruption from its east rift...

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USGS HVO Press Release — Explosive Eruption in Halema‘uma‘u Crater, Kīlauea Volcano, Is First Since 1924

USGS HVO Press Release — Explosive Eruption in Halema‘uma‘u Crater, Kīlauea Volcano, Is First Since 1924

At 2:58 a.m. HST on Wednesday, March 19, 2008, a small explosion occurred at Halema‘uma‘u Crater at the summit of Kīlauea Volcano in Hawai‘i Volcanoes...

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USGS HVO Press Release — New Gas Vent in Halema‘uma‘u Crater Doubles Sulfur Dioxide Emission Rates

USGS HVO Press Release — New Gas Vent in Halema‘uma‘u Crater Doubles Sulfur Dioxide Emission Rates

A prominent new gas vent broke through the lower east wall of Halema‘uma‘u this week, doubling the already elevated level of sulfur dioxide gas being...

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Volcano Watch — Pele Gives Plenty of Heat to Namakaokaha`i

Volcano Watch — Pele Gives Plenty of Heat to Namakaokaha`i

Last week was a family reunion of sorts, as Pele met her sister, Namakaokaha`i, when lava from Kīlauea Volcano entered the ocean for the first time...

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Volcano Watch — Kīlauea Following One of Several Eruption Scenarios

Volcano Watch — Kīlauea Following One of Several Eruption Scenarios


Now that lava flows have reached the ocean below Royal Gardens subdivision, the concern 7 months ago of lava pouring northeast from a new vent toward...

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Volcano Watch — Pele Revisits Royal Gardens

Volcano Watch — Pele Revisits Royal Gardens

After a few brief forays into the upper reaches of the Royal Gardens subdivision over the last several weeks, the Thanksgiving Eve Breakout (TEB) flow...

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Volcano Watch — What was that on the Richter scale?

Volcano Watch — What was that on the Richter scale?

When the crust of the earth is subjected to great forces, such as the weight of the Hawaiian Islands or the forceful intrusion of magma, it can bend...

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Volcano Watch — Can rocks speak to us? Yes, they can!

Volcano Watch — Can rocks speak to us? Yes, they can!

Oftentimes, in videos of Hawaiian eruptions, you may see people near the vent or the lava rivers sampling the molten rock. This can be dangerous work...

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Volcano Watch — Volcanic Hazards Continue, Rain or Shine

Volcano Watch — Volcanic Hazards Continue, Rain or Shine

While most island residents were understandably concerned about our week of intense rain, HVO staff continued to monitor Kīlauea Volcano's eruption.

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