Volcano Watch

All of us lose something as we age, and, about 500 years ago, Kīlauea lost its top. The summit collapsed to form a precipitous hole, known as a...

April 2010 marks the 70th anniversary of Mauna Loa's third longest summit eruption in recorded history. The 134-day-long eruption in 1940 has been...

What volcanic locale do the following characteristics describe?

This past Friday, March 19, marked the second anniversary of Kīlauea ongoing summit eruption in Halema`uma`u Crater. After 25 years without eruptive...

Several geologic processes contribute to subsidence along Kīlauea coast - the island of Hawai‘i is sinking at a rate of a few millimeters (fractions...

May 22, 2010, marks the 50th anniversary of the 1960 magnitude-9.5 Chilean earthquake, which was the largest earthquake worldwide in the last 200...

Alert observers of Kīlauea ongoing summit eruption often note the changing character of the ever-present plume emerging from Halema`uma`u. Sometimes...

The magnetic field surrounding the Earth protects it and all living things upon it from charged particles ejected by the sun.

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...

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

As Volcano Awareness Month nears its end, we conclude our look at volcanoes and society by exploring the cinematic treatment of volcanoes over the...

In the previous two weeks, we examined the role that volcanoes have played in both religion and art. Today, we discuss the influence of volcanoes on...

In celebration of Volcano Awareness Month (January 2010), we examine the influence of volcanoes on human society, beginning last week with religion...

As the first decade of the 21st century has come to a close, the effect of human civilization on the Earth has become increasingly apparent.

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

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...

In this age of the Internet, anyone's opinion on any subject, whether thoroughly researched or derived from an Ouija board, can be broadcast to the...

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. 

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...

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...