News

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. Most of the data for this map were...

The USGS Hawaiian Volcano Observatory produced a new map following a helicopter LiDAR survey of the ongoing Kīlauea summit tephra deposit and crater...

September is National Preparedness Month, so let’s take a minute to talk about a few simple steps that you can take to make a difference in how...

On Thursday, August 27, 2026, USGS Hawaiian Volcano Observatory (HVO) staff spent much of the day digging volcanic gas monitoring sites out of the...

In July of this year, scientists visited a rare window into Kīlauea volcano’s long-term history — layers of lava, ash and other tephra exposed along...

In July, USGS Hawaiian Volcano Observatory (HVO) scientists visited an exposure of tephra and lava flows in the western wall of Kaluapele. The layers...

Episode 54 of lava fountaining in Halemaʻumaʻu crater at the summit of Kīlauea began at 10:30 a.m. HST on August 25, 2026.

Out in the open ocean, waves are constantly rolling and crashing. That motion creates a steady, rhythmic beating on the seafloor. Those vibrations...

Ocean swells are constantly beating on the ocean floor. This nonstop drumming creates continuous signals that travel through the Earth and are...

Lava fountaining episode 53 at the summit of Kīlauea started on August 12 at 3:45 p.m. HST and ended on August 13 at 1:23 a.m. HST.