August 25, 2026 — Measuring gas emissions during episode 54 at Kīlauea summit
Detailed Description
A USGS Hawaiian Volcano Observatory gas scientist collects FTIR (Fourier transform infrared spectrometer) data during lava fountaining episode 54 in Halemaʻumaʻu crater at the summit of Kīlauea. This data is used to measure the chemical composition of volcanic gas being emitted during eruptive episodes. USGS photo by C. Gansecki.
Sources/Usage
Public Domain.