#Thomas Jaggar
Volcano Watch: HVO bids farewell to its Uēkahuna location
HVO’s summit location was ideal for monitoring Kīlauea and Mauna Loa, Hawaiʻi’s two most active volcanoes.
Volcano Watch: The blast of the century at Kīlauea
Kīlauea began erupting explosively 100 years ago this week, for the first time in nearly a century. The eruption lasted for about 17 days, killing one person and injuring others.
Volcano Watch: 200 years of written Kīlauea observations, including by Mark Twain
This summer marks 200 years since English missionary William Ellis visited KIlauea caldera with Hawaiian guides and published the first contemporary written observation of the volcano’s eruptive activity.
Mauna Loa Volcano’s 1935 Lava Flow Seen in Current Coverage of Mauna Kea
The lava flow worried residents of Hilo for a time because, after ponding and likely inflating behind Puʻuhuluhulu, it suddenly broke out toward the city at alarming rates of about 2 to 3 kilometers per day (1.5 to 2 miles per day) for nearly a week in late December.
