Tag: tephra

Kīlauea's 2018 Collapse Unearths Ancient Volcanic History

27 Aug 2026 5:51 p.m. · Source: U.S. Geological Survey

HVO scientists are studying ancient tephra and lava flows in Kīlauea's Kaluapele, exposed by the 2018 summit collapse. These rare layers offer crucial insights into the volcano's eruptive past, with analysis expected to reveal previously unknown eruption details.

Science & Technology Politics and Government Federal Government Environment Education Computers and Internet Kīlauea Volcano Tephra Geology Hawaiian Volcano Observatory Kaluapele Eruption U.S. Geological Survey
Kīlauea Summit Vegetation Devastated by Volcanic Plumes and Kona Winds

4 Jun 2026 10:08 p.m. · Source: U.S. Geological Survey

Kīlauea's summit vegetation has suffered severe defoliation from volcanic gases and tephra, intensified by Kona winds from January to April 2026. The unique weather patterns pushed hazardous plumes northward, impacting Hawaiʻi Volcanoes National Park, though signs of recovery are now…

Science & Technology Environment Weather Federal Government General Weather Education Kīlauea Volcano Hawaiʻi Volcanoes National Park Sulfur Dioxide Tephra Kona Winds ʻŌhiʻa Lehua U.S. Geological Survey