Volcano Watch

The magnitude-6.2 earthquake that occurred on Sunday, October 10 at 11:49 a.m. HST, originated just south of the Island of Hawai‘i. The large...

The past year has seen fluctuating lava lakes, ephemeral lava fountains, craggy spires, and drifting “islands” reminiscent of pre-1924 Halemaʻumaʻu...

Kīlauea volcano is erupting again. Wednesday afternoon, lava returned to Kīlauea's summit within Hawaiʻi Volcanoes National Park after a 4-month...

The Pacific is home to dozens of active volcanic systems including the massive Hawaiian shield volcanoes Kīlauea and Mauna Loa. Most basaltic shield...

Most residents of the Island of Hawaiʻi live on one of four potentially active volcanoes and probably have wondered about the threat of lava flows at...

Large quantities of volcanic gases, such as carbon dioxide (CO2), sulfur dioxide (SO2), and hydrogen sulfide (H2S), are released into the atmosphere...

We know that when a volcano erupts, molten red rock makes it to the surface, while during an intrusion it doesn’t. The difference between the two...

Late Monday afternoon, earthquake activity picked up at Kīlauea’s summit.  At about 1:30 a.m. HST on Tuesday, that activity intensified, and it became...

The 2018 lower East Rift Zone and 35-year-long Puʻuʻōʻō eruptions of Kīlauea had large impacts on the Puna District. Many residents were deeply...

More people were probably killed by the 1790 eruption of Kīlauea than by any other eruption in what is now the United States. Several hundred men...