5 days ago · STORY SUMMARY HAWAIʻI VOLCANOES NATIONAL PARK - Tephra is falling on Highway 11 and in Volcano Village, shattering on impact.

When a volcano explodes, it releases a variety of tephra including ash, cinders, and blocks. These layers settle on the land and, over time, sedimentation occurs incorporating these tephra layers into …

6 days ago · Smaller tephra has been reported in communities including Volcano Village, Mauna Loa Estates, Ohia Estates, Mountain View, and Fern Acres. Unconfirmed reports from other communities …

Volcanic ash, pumice, and tephra ejected in violent eruptions ultimately falls back to Earth where it covers the ground like deposits of abrasive, gritty, and corrosive “snow” that never melts.

4 days ago · Episode 41 of Kīlauea’s ongoing Halemaʻumaʻu eruption began at 11:10 HST (21:10 UTC) on January 24, 2026, producing lava fountains up to 480 m (1 575 feet) high and the broadest …

1 day ago · Inside Hawaii Volcanoes National Park's eruption that launched a rock storm into the national park.

Jan 10, 2024 · Tephra refers to fragmented materials ejected during a volcanic eruption irrespective of their size, composition, or emplacement method.

Tephra, a volcanology term for ash, is small rock fragments ejected from a volcano into the atmosphere, which is then deposited around and downwind of the volcano.

5 days ago · Episode 41 of the ongoing Halemaʻumaʻu eruption of Kilauea volcano is underway, Hawaii Volcano Observatory scientists said today. The current eruptive phase began around 11:10 a.m. …

Dec 6, 2023 · Falling volcanic ash can disrupt lives distant from an erupting volcano. The term tephra defines all pieces of all fragments of rock ejected into the air by an erupting volcano. Most tephra …