News

Kīlauea eruption is currently ongoing but is taking place in a remote location within the national park, is low in eruptive volume, and does not pose...

Kīlauea is not erupting. Increased earthquake activity and ground deformation at Kīlauea’s summit began at approximately 12:00 p.m. HST on June 2...

Mauna Loa volcano stands as the largest and most active volcano on Earth. With a rich history of eruptions that have shaped the Island of Hawaʻi's...

The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring and studying one of the most active volcanic regions in the world. The...

Last week’s “Volcano Watch” summarized Kīlauea’s explosive eruptions of 1924 and their impacts on communities. This week, we dig a little deeper and...

Kīlauea began erupting explosively 100 years ago this week, for the first time in nearly a century. The eruption lasted for about 17 days, killing one...

This past week, earthquakes and inflation near Kīlauea’s summit prompted temporary closures within Hawaiʻi Volcanoes National Park. What is happening...

The production of maps to track the progress of ongoing eruptions has long been part of the USGS Hawaiian Volcano Observatory (HVO) mission to inform...

Earth’s magnetic field surrounds us every second of the day, everywhere on the planet. Anyone who has picked up a pocket compass and seen the magnetic...

The Island of Hawai‘i is one of the most seismically active regions in the world. In the last five years, an average of 600-1200 earthquakes per week...