The distinct hot thermal signature (black to yellow to red pixels) of a new fissure eruption between Stóra-Skógfell and Sýlingarfell on the Reykjanes Peninsula in southwestern Iceland was apparent in 10-minute Full Disk scan GOES-16 (GOES-East) Shortwave Infrared (3.9 µm) images during the 20th-24th November 2024 period (above). Station identifier BIRK is Reykjavik Airport, and... Read More

A prolonged eruptive period of Popocatépetl occurred during 23-30 October 2024. An animation of GOES-16 (GOES-East) Nighttime Microphysics RGB + daytime True Color RGB images from the CSPP GeoSphere site (above) displayed the volcanic plumes — which often exhibited brighter shades of magenta at night, and a hazy appearance during the day —... Read More

5-minute PACUS Sector GOES-18 (GOES-West) Shortwave Infrared (3.9 µm) images (above) showed the thermal anomaly (heat signature) following the onset of an eruption of Kilauea on the Big Island of Hawai`i — which began around 1030 UTC on 03 June 2024. The peak 3.9 µm brightness temperature sensed at the eruption site was... Read More

12 days after its powerful eruption on 17 April, 10-minute JMA Himawari-9 AHI Infrared Window (10.4 µm) images (above) showed another explosive eruption of Mount Ruang in Indonesia on 29 April 2024. The coldest cloud-top infrared brightness temperatures reached -90ºC (internal yellow pixels) at 1850 UTC, shortly after eruption onset. Note that the volcanic umbrella cloud exhibited concentric... Read More