Filter Total Items: 286
Date published: October 12, 2017

Volcano Watch — Summer 2017 goes out like a lion with hurricanes and earthquakes: reminders to be prepared for Nature's fury

As the summer months began to wind down this year, Nature's fury began to wind up and grab much of the news cycle.

Date published: October 5, 2017

Volcano Watch — Modeling Kīlauea Volcano a Century Ago

In today's age of aerial photography, satellites, and drones, bird's-eye views of geologic features are taken for granted. A century ago, such depictions posed enormous challenges. 

Date published: September 28, 2017

Volcano Watch — Legacy of the Mount St. Helens 1980 eruption still defies perfect solution

Thirty-seven years after the May 18, 1980, eruption of Mount St. Helens, Washington, scientists, engineers, land managers, and Federal, State, and County officials are still grappling with a challenge created by the eruption—how to prevent potentially massive downstream flooding by the release of water from Spirit Lake, located at the base of the volcano.

Date published: September 21, 2017

Volcano Watch — Thermal maps help with the pāhoehoe challenge

This mosaic of thermal images is basically a thermal map of the lava flow surface, and reveals the exact location of all the active surface breakouts.

Date published: September 14, 2017

Volcano Watch — Mauna Loa update: unrest continues, but the outcome is uncertain

What's up with Mauna Loa, and is any change in sight?

Date published: September 7, 2017

Volcano Watch — When you need information about Hawaiian volcanoes, turn to the USGS

For information about Hawaiian volcanoes, a good place to start is the U.S. Geological Survey (USGS). Between its websites and publications, abundant resources are at your disposal.

Date published: August 31, 2017

Volcano Watch — Tephra deposit names: out with the old, in with the new!

The caldera was a dynamic place during the 300-plus years just before written history began at Kīlauea (in 1823), and the newly defined subdivisions of the Keanakāko‘i Tephra help us understand this energetic and dangerous time better than did the previous terminology.

Date published: August 24, 2017

Volcano Watch — Creative engineering helps HVO monitor Mauna Loa Volcano

The USGS Hawaiian Volcano Observatory (HVO) has a long tradition of innovation when it comes to the tools that we use to monitor the status and activity of volcanoes.

Date published: August 17, 2017

Volcano Watch — The ongoing Pu‘u ‘Ō‘ō eruption is full of anniversaries

The longest-lived and most voluminous rift-zone eruption of Kīlauea Volcano in more than 500 years—the ongoing Pu‘u ‘Ō‘ō eruption—began in January 1983, and is fast approaching its 35th anniversary.

Date published: August 10, 2017

Volcano Watch — Thermal Cameras Keep a Cool Eye on Hot Lava

Thermal cameras have been used by volcanologists around the world for many years to study volcanic processes and search for signs of impending eruptions.

Date published: August 3, 2017

Volcano Watch — What was happening at Kīlauea Volcano ten years ago?

Kīlauea has now passed the one-year anniversary of the episode 61g lava flow reaching the Pacific Ocean. But what was this busy volcano up to a decade ago?

Date published: July 27, 2017

Volcano Watch — Largest Hawaiian earthquake in a decade reminds us to be prepared

On June 8, 2017, many Island of Hawai‘i residents were awakened by a sharp jolt just past 7 a.m. This natural wake-up call was caused by a magnitude-5.3 earthquake, the largest to strike Hawaii in over a decade.