Volcano Watch

Hundreds of visitors are driving to Kalapana each day to see the ocean entries of Kīlauea's east-rift lava flows. As these visitors watch the flows...

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.

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...

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...

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...

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...

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...

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...

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

In early June 1980, high on the south flank of Mount St. Helens, two geochemists hastily installed state-of-the-art equipment to monitor magmatic gas...

Until last November, the current eruption was characterized by a perched lava channel. The fissure system that opened up just east of Pu`u `O`o on...

Royal Gardens subdivision was back in the news again this past week as a lava flow from the July 21 fissure advanced to within 300 m (985 ft) of the...

The Father's Day eruption last June occurred in the most frequently active segment of Kīlauea's east rift zone. What is this segment, and why are...

As we greet our new year at the U S Geological Survey's (USGS) Hawaiian Volcano Observatory (HVO), we take a look back at the Kīholo Bay earthquakes.

January 3, 2008, marks the 25th anniversary of Kīlauea's ongoing Pu`u O`o-Kupaianaha eruption.

As the winter holidays unfold around us, many keiki (children) dream of Santa and his reindeer traveling the skies on Christmas Eve.

Last weekend, seven staff members of the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) fled the stormy weather of the Big Island for the...

Whenever lava flows threaten communities, a commonly asked question is "Can lava flows be diverted if populated areas are threatened?" Answers have...

The University of Hawai`i (UH) research ship Kilo Moana returned recently from a four-week expedition mapping and sampling the sea floor around the...

The ongoing eruption of Kīlauea has spewed forth nearly 58 million cubic meters (76 million cubic yards) of lava in the days between July 21 and...