Volcano Watch

In response to the USGS Hawaiian Volcano Observatory's (HVO's) Aug. 22, 2014, news release that Kīlauea's June 27th lava flow could become a concern...

As we work to increase monitoring capabilities on our restless neighbor Mauna Loa Volcano, our colleagues at the The threat posed by ash injected into...

Before Tropical Storm Iselle's landfall on August 7, conventional wisdom among many residents was that the Island of Hawai‘i is immune to hurricanes...

This week, the Hawaiian Volcano Observatory (HVO) bids aloha to two interns, Pua Pali and Greg Javar, who gained first-hand experience monitoring...

We've learned a lot about Kīlauea's explosive history in the last 15 years.

On July 18, 2014, newspapers across the United States published a story titled "Quake risk rises for much of U.S."

Do you want to know which volcanoes in the United States are erupting? Or which volcanoes are showing signs of activity which may lead to an eruption?

William Ellis led a team of missionaries on a tour of the Island of Hawai‘i starting on July 18, 1823, from the village of Kailua. Their trip took...

This year, two days before America’s Independence Day fireworks celebrations began, a remarkably different “rocket’s red glare” was seen at Vandenberg...

For the past year, the Kahauale‘a 2 lava flow was erupting from a vent high on the northeast crater rim of Pu‘u ‘Ō‘ō, on Kīlauea's East Rift Zone...

A few weeks ago, a Volcano Watch article recounted the advance of Mauna Loa lavas on the town of Hilo in 1855.

For the past several years, the amount of lava erupting from Kīlauea's East Rift Zone has been well below the long-term output rate established...

After a 30-year repose, Mauna Loa may be slowly stirring to life. While there are no signs of impending eruption, the Hawaiian Volcano Observatory...

On the evening of August 11, 1855, Mauna Loa erupted from a location described as 1,000 to 2,000 ft below the summit of the volcano. This was the...

Hawai‘i County is the fastest-growing region in the State of Hawaii. Its relatively inexpensive real estate, along with population growth, spurs more...

The recent anniversary of Kīlauea's May 1924 explosive summit eruptions reminds us of the sometimes violent interactions that occur when relatively...

Landslides are hazards in areas where slopes are steep. The degree of the hazard depends on the type of rocks that make up the slope. Large landslides...

Ninety years ago this month, Kīlauea was exploding.

During the past week, we have been keeping a close watch on the Northern Mariana Islands (NMI), as seismometers on the islands record high levels of...

The Kahauale‘a 2 lava flow, fed by a vent on the northeast edge of the Pu‘u ‘Ō‘ō crater, is currently the only active flow along Kīlauea Volcano's...