No Significant Changes in Kīlauea Volcano

Kīlauea Volcano is not erupting and its USGS Volcano Alert level remains at normal. Updates for Kīlauea are now issued monthly.
December 06, 2019

Volcano Watch: HVO scientists mentor STEM students at national diversity conference

As a student, it is an invaluable experience to see examples of and interact with successful professionals that look like you.
November 27, 2019

Hilo’s Close Call During the 1881 Mauna Loa Lava Flow

Over the last two centuries, six lava flows erupted from Mauna Loa’s Northeast Rift Zone and advanced toward Hilo.
November 21, 2019

Volcano Watch: What Halema‘uma‘u Water Chemistry Tells Us

HVO recently used a cutting-edge technique to sample the Halema‘uma‘u water lake deep within Kīlauea’s collapsed summit crater.
November 14, 2019

Hawai‘i State Department of Health Updates Ambient Air Quality Data Website

The goal of the updated website is to provide near real-time statewide air quality data online.
November 07, 2019

Volcano Watch: Why 2018 Lava is Still Hot

As roads are recut into Kīlauea’s 2018 lava flow field, many have been surprised at how hot the lava remains under the surface, even though it is solidified.
November 01, 2019

Volcano Watch: High Altitude Station Maintenance on Mauna Loa

The air is cool and thin at 10,000 feet. Our field crew of six from Hawaiian Volcano Observatory (HVO) keep warm unloading gear.
October 25, 2019

Volcano Watch: What was That Ship Doing by the 2018 Lava Deltas?

The NOAA Ship Rainier, with a crew of approximately 50, works primarily in Alaska, but special circumstances this year brought it to Hawai‘i.
October 18, 2019

VOLCANO WATCH: Why do so many deep earthquakes happen around Pāhala?

The USGS Hawaiian Volcano Observatory (HVO) detects tens of thousands of earthquakes each year.
October 11, 2019

VOLCANO WATCH: Geologic History of Mauna Loa’s SE Flank Revealed in New Map

The recently published "Geologic Map of the Central-Southeast flank of Mauna Loa Volcano" is the culmination of years of fieldwork by the US Geological Survey.
October 03, 2019