#plume

Onset of huge Episode 41 lava fountains at Kīlauea summit heralds ashfall warning

The warning is in effect until 6 a.m. Sunday (Jan. 25) for most eastern, southeastern, southern and interior portions of the island; Hawaiʻi County Civil Defense reports portion of Highway 11 in Puna and Kaʻū as well as Hawaiʻi Volcanoes National Park are closed because of ashfall.

Volcano Watch: Measuring volcanic gases — the answer is blowin’ in the wind

Measurement of volcanic gases is critical for both public safety and understanding volcanic activity—and everything we measure relies on the wind.