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The 2022 eruption of Maunaloa occurred late in the evening of Nov. 27. The eruption was preceded by intense earthquake activity about half an hour prior to glowing lava seen on USGS Hawaiian Volcano Observatory webcams. How does HVO narrow down the precise time that the eruption started? ....
To help improve data quality, shallow boreholes are being drilled that will house new instruments and allow them to be thermally insulated. These new seismometers have both broadband and strong motion capabilities, and the seismic data quality is proving to be excellent, according to researcher technicians with the University of Hawaiʻi. ....
During one week in December 2023, Island of Hawaiʻi residents and visitors were treated to an assortment of earthquakes resulting from a variety of different geologic processes. ....
Kīlauea’s activity from 2018 until now has been compared to cycles of summit collapse and refilling prior to 1924. However, Kīlauea also exhibited similar behavior during the 1967-68 Halema‘uma‘u eruption. ....
An English missionary named William Ellis visited Kīlauea caldera on Aug. 1, 1823, with his Hawaiian guides on a tour of the Island of Hawaiʻi. He and his missionary companions were the first westerners to visit the summit of Kīlauea, and the book that Ellis later published includes the first contemporary written observations of Kīlauea’s eruptive activity. ....