News

As Hilo was bustling with activity for the Merrie Monarch Festival, Kīlauea was brewing for episode 44 of lava fountaining, which happened for 8.5...

On Saturday, April 11, the USGS Hawaiian Volcano Observatory (HVO) noted an outage of its radio telemetry network, resulting in the loss of multiple...

Past “Volcano Watch” articles have summarized the episodic lava fountaining eruptions in Kīlauea’s recent history—within the past couple hundred years...

The USGS Volcano Alert Level (ground-based hazards) and Aviation Color Code (airborne hazards) communicate Kīlauea status and activity. After episode...

Geochemical analysis of erupted tephra samples over the past decade help scientists understand the temperature of Kīlauea’s shallow magma system under...

The summit region of Kīlauea experienced tephra fallout and a Kona low storm this past week. Cleanup, recovery, and regrowth is ongoing. These...

Episode 43 at the summit of Kīlauea began at 9:17 a.m. HST on March 10, 2026, and continued for 9 hours. Both the north and south vents erupted lava...

The Volcano Observatory Notice to Aviation (VONA) is a notification product used by volcano observatories globally to inform the aviation community ...

The 2022 eruption of Mauna Loa was an extraordinary eruption in a lot of ways. It was the first eruption from this volcano in 38 years and the first...

Visual observations have been a backbone in studies of volcanoes, from 2,000 years ago to now. They remain fundamental to understanding how volcanoes...