#water vapor

Record-setting lava fountain and plume heights were reached during Episode 23 of the Kīlauea summit caldera eruption. Given increasing airborne hazards associated with each new eruptive episode, Hawaiian Volcano Observatory is changing its episode notification types.

East Hawai‘i was treated to a colorful show Tuesday evening as the sun set and into dusk with the appearance of rare wispy-like noctilucent clouds. The iridescent clouds thrilled and captivated those who saw them, in person and in photos on social media, hovering through the upper atmosphere.