Skip to main content
U.S. flag

An official website of the United States government

Volcano Watch

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 

Filter Total Items: 1680
Volcano Watch — Recent Books Highlight Advances in Understanding Hawaiian Volcanism

Volcano Watch — Recent Books Highlight Advances in Understanding Hawaiian Volcanism

Modern science could not exist without exchange of data and ideas. The exchange can be informal—at meetings and in casual conversations—or formal—in...

Read Article
Volcano Watch — Mount Fuji workshop focused on how to manage tourism on active volcanoes

Volcano Watch — Mount Fuji workshop focused on how to manage tourism on active volcanoes

In early November, volcano scientists from Hawai‘i, Chile, Indonesia, Italy, and Japan participated in a workshop at the Mount Fuji Research Institute...

Read Article
Volcano Watch — Rainbows on the ground: How satellite radar helps us monitor volcano deformation

Volcano Watch — Rainbows on the ground: How satellite radar helps us monitor volcano deformation

The surface of Kīlauea Volcano is rarely stationary. There are a variety of processes that each move or change the shape of the volcano and, when...

Read Article
Volcano Watch — Lava-loving ‘ōhi‘a lehua: A pioneer plant in peril

Volcano Watch — Lava-loving ‘ōhi‘a lehua: A pioneer plant in peril

One of the wondrous things about visiting a young lava flow on the Island of Hawai‘i is encountering the tenacious plant life that emerges from a...

Read Article
Volcano Watch — What’s happening at Pu‘u ‘Ō‘ō?

Volcano Watch — What’s happening at Pu‘u ‘Ō‘ō?

A lot has changed over the past year on Kīlauea Volcano. One year ago, the June 27th flow was threatening to cross Pāhoa Village Road and, potentially...

Read Article
Volcano Watch — Puna Resiliency Block Party affirms value of lava flow community meetings

Volcano Watch — Puna Resiliency Block Party affirms value of lava flow community meetings

One year ago, the now infamous June 27th lava flow was headed toward the middle of Pāhoa and threatening to cross the main village road and cut off...

Read Article
Volcano Watch — Researchers Record Slow, Unsteady Movement on the South Flank of Kīlauea

Volcano Watch — Researchers Record Slow, Unsteady Movement on the South Flank of Kīlauea

It happened again. Did you notice? Last week a portion of Kīlauea Volcano's south flank slowly slipped seaward. Its movement is part of a recurring...

Read Article
Volcano Watch — Geologic mapping looks to the past to reveal the future

Volcano Watch — Geologic mapping looks to the past to reveal the future

Geologic mapping is considered by some to be "old school" science. By current standards, there's certainly nothing glitzy or high tech about walking...

Read Article
Volcano Watch — Lessons learned from the 2006 Kīholo Bay earthquakes

Volcano Watch — Lessons learned from the 2006 Kīholo Bay earthquakes

October 15, 2015, is the 3rd annual Great Hawaii ShakeOut. That day also marks the 9th anniversary of Hawaii's two most recent damaging earthquakes.

Read Article
Volcano Watch — Drop! Cover! Hold on!—Protect yourself during Hawaii's next earthquake

Volcano Watch — Drop! Cover! Hold on!—Protect yourself during Hawaii's next earthquake

The State of Hawaii has a long history of destructive earthquakes. More than 30 magnitude-6.0 or greater earthquakes have impacted the islands since...

Read Article
Volcano Watch — Bottled soda helps us to understand volcanic eruptions

Volcano Watch — Bottled soda helps us to understand volcanic eruptions

Bottled soda, when opened suddenly after shaking, is commonly used as an analogy for volcanic eruptions. Perhaps the first use of this analogy for...

Read Article
Volcano Watch — The Art (and Science) of Assigning Volcano Alerts Levels

Volcano Watch — The Art (and Science) of Assigning Volcano Alerts Levels

The USGS Hawaiian Volcano Observatory (HVO) changed the Volcano Alert Level and Aviation Color Code for Mauna Loa Volcano from NORMAL/GREEN to...

Read Article