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Date published: February 11, 2010

Volcano Watch — Lava advances in "two steps forward, one step backward" style

Long-time Kīlauea Volcano watchers know the drill when the supply of magma to the active vent on the volcano's east rift zone is interrupted"abandonment of the "old" lava tube system, breakout of new surface flows, an evolving tube network, and eventually a new ocean entry.

Date published: February 4, 2010

Volcano Watch — Seismic streaks signal silent slip to the sea

In the early hours of Monday, February 1, 2010, , a swarm of microearthquakes began to occur on the south flank of Kīlauea volcano.

Date published: January 26, 2010

USGS HVO Press Release — Kīlauea's Volcanic Gases and Their Environmental Impacts

The public is invited to learn more about volcanic gas emissions and vog in a presentation by U.S. Geological Survey Hawaiian Volcano Observatory scientists Jeff Sutton and Tamar Elias. 

Date published: January 19, 2010

USGS HVO Press Release — Magnitude-4.3 Earthquake Northwest of Pāhala, Hawai‘i

A magnitude-4.3 earthquake was located on the south flank of Mauna Loa by the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) on Monday, January 18, at 1:01 p.m. HST. The earthquake was located 6 km (4 miles) WNW of Pāhala, Hawai‘i at a depth of 6 km (4 miles).

Date published: January 4, 2010

USGS HVO Press Release — Holoholo to Mauna Ulu

Hike to Mauna Ulu on Saturday and learn what happened there from a scientist who witnessed it more than forty years ago.

Date published: January 4, 2010

USGS HVO Press Release — Pele-Hi‘iaka Chants Describe History of Kīlauea Volcanic Activity

On Saturday, January 2, 2010, the U.S. Geological Survey's Hawaiian Volcano Observatory kicks off Volcano Awareness Month. Traditional Hawaiian chants are revealing important information to scientists about the age and history of Kīlauea's volcanic activity.

Date published: December 31, 2009

Volcano Watch — Has it been 27 years already?

Kīlauea has been erupting nearly continuously for 27 years as of Sunday, January 3, 2010.

Date published: December 31, 2009

USGS HVO Press Release — Jaggar Event Kicks Off Volcano Awareness Month

On Saturday, January 2, 2010, the U.S. Geological Survey's Hawaiian Volcano Observatory kicks off Volcano Awareness Month in a public event at the Jaggar Museum overlook in Hawai‘i Volcanoes National Park.

Date published: December 24, 2009

Volcano Watch — Kīlauea glows as lava keeps churning at the summit

Clear weather and an active lava column in the Halema‘uma‘u Overlook vent this week is brightening the nighttime glow at the summit of Kīlauea just in time for the holiday season. The glow is especially notable from the Jaggar Museum viewing area in Hawaii Volcanoes National Park, located only 1.9 km (1.2 mile) from the vent.

Date published: December 10, 2009

Volcano Watch — Kīlauea went ballistic in 1790

Many visitors to Hawai`i Volcanoes National Park stop at Kīlauea Overlook and walk to the rim of the caldera, passing a huge rock along the way. 

Date published: December 3, 2009

Volcano Watch — How well do you know the volcanoes in your backyard?

We often hear the term "IQ" (intelligence quotient)—but how would you rate your "VAQ" (volcano awareness quotient)? In other words, how well do you know the volcanoes in your backyard?

Date published: November 25, 2009

Volcano Watch — Halema‘uma‘u Eruption Focus of Special Scientific Session

In a few short weeks, scientists from the U. S. Geological Survey's Hawaiian Volcano Observatory (HVO) will be packing their bags and heading to San Francisco to attend the Fall Meeting of the American Geophysical Union (AGU).