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HVO monitors the active volcanoes in Hawaii, assesses their hazards, issues warnings, and advances scientific understanding to reduce impacts of volcanic eruptions.
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Volcano Watch — A small but notable magma intrusion at Kīlauea’s summit
The 2018 lower East Rift Zone eruption and summit caldera collapse marked the end of the 35-year-long Puʻu ʻŌʻō and 10-year-long summit lava lake eruptions, and the beginning of a new chapter in Kīlauea Volcano activity. The volcano is continuing to behave in ways that are a response to the major events of 2018 and “the new normal” is yet to be defined.
USGS HVO Information Statement — Magnitude-4.4 Earthquake beneath northwest flank of Mauna Kea, Hawai‘i
The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.4 earthquake located beneath Mauna Kea's northwest flank on Monday, December 14, at 9:27 a.m., HST.
Volcano Watch — Recent activity reminds us to maintain our volcano awareness
Though there hasn’t been an eruption in Hawai‘i in 2020, the year has hardly been quiet—earthquake swarms, an elevated alert-level on Mauna Loa, and a growing water lake on Kīlauea are reminders that island residents should be aware of Hawaiʻi’s active volcanoes.