Volcano Activity Updates News Today

The U.S. Geological Survey Hawaiian Volcano Observatory “lavas” working with our partners at the University of Hawai‘i at Hilo, and for Valentine’s Day we wanted to highlight some of the things we appreciate about this relationship.

HVO continues to monitor the ongoing unrest in the summit and Southwest Rift Zone regions of Kīlauea, with increased rates of earthquakes and ground deformation indicating that magma is moving in this area

Thousands of earthquakes occur every year in Hawaiʻi. These earthquakes are monitored by the U.S. Geological Survey Hawaiian Volcano Observatory and fall into three main classes: volcanic, tectonic and mantle.

The Kulanaokuaiki Tephra is part of the Uēkahuna Ash, and it has been best studied on the south flank of Kīlauea.

Ocean swells interact with the ocean crust below, creating continuous ocean noise that travels around the Earth, including through our active volcanoes here in Hawai‘i.

Don’t be fooled. While Pele’s hairs are shiny and elusive, featherlight and golden brown, they are strands of volcanic glass, and they can pose a serious hazard.