Volcano Watch

An engineer for a local road-construction contractor recently called the U.S. Geological Survey's Hawaiian Volcano Observatory to report his company's...

On May 1, 2000, President Clinton announced the United States' decision to stop degrading Global Positioning System (GPS) accuracy. The act has made...

Mauna Kea's peaceful appearance is misleading. The volcano is not dead. It erupted many times between 60,000 and 4,000 years ago, and some periods of...

"Why should I believe something I can't see, especially since I already don't believe so many things that I can see?" This verbal barb is sometimes...

Mosquitoes are not native to the Hawaiian Islands. Anyone driven away from an outdoor activity or rudely awakened by a biting mosquito would agree...

May 18th marks the 20th anniversary of the catastrophic eruption of Mount St. Helens that laid waste to over 540 square km (200 sq mi) of forest...

Kīlauea is a magnet to volcanologists, visitors, and television production companies alike, drawn from around the word by the spell of its eruptions...

Mauna Loa Volcano last erupted 1984. Lava flows from vents in its northeast rift zone reached within seven kilometers (four miles) of Hilo. When and...

The topics for this article are presented in response to requests from our readers. Many weeks ago, a reader called to express her appreciation for...

A house burst into flames on Thursday afternoon, April 6, when it was overrun by lava. This house, at the foot of the Royal Gardens subdivision, is...

On March 31, Hawai`i Volcanoes National Park officially opened Kulanaokuaiki campground, a barrier-free facility along the Hilina Pali Road south of...

With the east rift zone eruption of Kīlauea continuing into its 18th year, much of our focus in volcano and seismic monitoring at the Hawaiian Volcano...

Which way would you drive if you lived on the on the flank of an active volcano with lava headed your way? This question is based on real-life events...

The home of over 5 million breeding seabirds, Laysan Island is an uninhabited Hawaiian atoll formed from coral deposits atop a 20 million-year-old...

Large and colorful flames sometimes play from vents on Kīlauea volcano. These flames, which range from yellowish orange to greenish blue and reach as...

The 1955 eruption in lower Puna, described in last week's column, was destructive. About 1,580 hectares (3,900 acres) were covered by 108 million...

Tomorrow, February 28, marks the 45th anniversary of the start of the 1955 eruption on Kīlauea's lower east rift zone. This was the first eruption of...

Annual rainfall totals on the windward slopes of Mauna Loa and Kīlauea average up to nearly 10 meters (300 inches), yet there are no perennial streams...

Haleakalā, the volcano that forms East Maui, had higher summit elevations in its glorious past. Today the volcano's highest point is 10,023 feet, but...

What is the longest eruption in memory at Kīlauea? The ongoing Pu`u `O`o-Kupaianaha eruption, which entered its 18th year on January 3? The nearly...