Volcano Watch

While our attention is generally drawn to the Island of Hawai‘i’s most active volcanoes, Kīlauea and Mauna Loa, it is also important to keep watch on...

Frank A. Trusdell, a research geologist at the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO), recently received a Meritorious Service...

What makes a volcano a volcano? This was the topic of a “Volcano Watch” article about 20 years ago. Recent questions from visitors suggest this...

The volcanic gas plume at the summit of Kīlauea Volcano in Hawai‘i Volcanoes National Park is often the most visible indication of the ongoing...

Heraklion is the largest city on the island of Crete in Mediterranean Sea. The island isn’t volcanic, but other Greek islands dotting the sea surface...

Like the pages of a book, the stories of Hawaiian volcanoes are “written” in layers of rock. When Hawaiian Volcano Observatory (HVO) scientists...

The passage of time has a way of isolating notable events of the past; present-day historians can easily lose track of individual events in the “fog”...

June 8 was World Oceans Day, a day to appreciate the huge body of saltwater that covers about 71% of the Earth’s surface. This month, Dr. Ashton...

Kīlauea, one of Earth’s most active volcanoes, has been on the Smithsonian Institution’s Global Volcanism Program (GVP) list of erupting volcanoes...

In the last few months, "Volcano Watch" articles have introduced several research projects funded by the Additional Supplemental Disaster Relief Act...

The year 1916 not only marked the birth of Hawaiʻi Volcanoes National Park, but also is remembered for the eruption of the Honomalino flow from the...

Deep beneath Pāhala, a town located in the southern part of the Island of Hawai’i, is currently the most seismically active region of the Hawaiian...

May 3 marked the 4th anniversary of the start of Kīlauea’s historic 2018 eruption that covered much of lower Puna with lava flows and dropped the...

Volcanic eruptions and wildfires are key drivers of extreme air quality hazard. How can we bridge scientific knowledge about these phenomena to...

Earth Day (https://www.earthday.org/) was first established on April 22, 1970, to raise awareness of some of the harmful effects industrialization was...

Mauna Loa and Kīlauea are the two most active volcanoes on the Island of Hawai‘i, and they have overlapping eruption histories. They are located in...

I think the Island of Hawaiʻi is one of the most magical places on Earth. You can literally see land in the making when one of the volcanoes is...

The 2018 eruption of Kīlauea volcano had devastating effects on the lower Puna district, destroying hundreds of homes, burying subdivisions, and...

The 35-year-long Pu‘u‘ō‘ō eruption on the middle East Rift Zone of Kīlauea was a remarkable opportunity for scientists to improve volcano research and...

As the USGS Hawaiian Volcano Observatory (HVO) continually improves our monitoring and eruption response capabilities, we acquired a new, state-of-the...