Volcano Watch

To the non-geologist, lava is hot, orange molten rock, or when cooled, smooth and gray, or black and jagged rock. However, to the geologist or...

Kīlauea's ongoing eruption from the episode 51 vents resumed on Aug. 15 after a four-day pause in the activity and reoccupied the tube system down to...

The Hawaiian Volcano Observatory's primary purpose is to understand how volcanic systems operate. All of the work we do in defining geological hazards...

The episode 51 vents once again became active early Monday morning after a brief pause since the previous Thursday morning. Prior to this last pause...

After being in continuous eruption since Sunday, June 21, the episode 51 vents adjacent to Pu`u `O`o on the East Rift Zone of Kīlauea Volcano finally...

The episode 51 vents adjacent to Pu`u `O`o on the East Rift Zone of Kīlauea Volcano have been in continuous eruption since before dawn on June 21...

The Hawaiian Volcano Observatory has joined forces with the University of Hawai`i to promote the collaborative study of volcanoes with the initiation...

The Hawaiian Volcano Observatory maintains a network of about 50 seismic stations on the Island of Hawai`i. The purpose of the network is twofold: to...

We will cover activity during the last two weeks, since we missed our deadline last week. The episode 51 vents on the west flank of Pu`u `O`o, which...

The volcanic hazards posed by Kīlauea Volcano are obvious to everyone who sees the active eruptions and visits Hawai`i Volcanoes National Park, where...