#Sand Hill

Volcano Watch: Beyond the lava; Maunaloa’s deformation story

The most recent Mauna Loa eruptions in 1975, 1984, and 2022 each offer unique insights into this volcano’s eruptive behavior.

Volcano Watch: STEM and suction solutions at HVO

Volcano Watch: Staff at HVO study volcanic processes and associated hazards in Hawaiʻi, with the emphasis and end goal of protecting life and property. The backbone of the observatory is the monitoring network, consisting of a diverse array of instruments located on the flanks of the volcanoes. These instruments relay data back to the observatory, providing information on the behavior of Hawaiʻi’s active volcanoes.

Volcano Watch: Kīlauea magma intrusion a textbook example of dike propagation

From Jan. 31 to Feb. 3, 2024, a magma intrusion into Kīlauea’s flank, southwest of the summit caldera, was the focus of attention at the USGS Hawaiian Volcano Observatory.