5-minute PACUS Sector GOES-18 (GOES-West) Shortwave Infrared images (above) displayed the pronounced thermal signature associated with an eruption of Kilauea on the Big Island of Hawai`i on 06 December 2025. According to the Hawaiian Volcano Observatory, this Episode 38 of the ongoing Halema`uma`u eruption (Episode 1 started on 23 December 2024) began at 1845 UTC... Read More

A EUMETSAT Meteosat-10 False Color RGB product from the NOAA/CIMSS Volcanic Cloud Monitoring site (above) showed the signature of a large volcanic cloud following the explosive eruption of Hayli Gubbi in Ethiopia, which began around 0830 UTC on 23 November 2025. Since this False Color RGB product uses the 8.7 µm spectral band (which... Read More

10-minute Full Disk scan GOES-18 (GOES-West) daytime True Color RGB + nighttime Dust RGB images created using Geo2Grid (above) showed a plume of resuspended volcanic ash (hazy shades of tan in True Color RGB, and shades of violet in Dust RGB) from the 1912 Novarupta-Katmai eruption in Alaska — which was being... Read More

5-minute PACUS Sector GOES-18 (GOES-West) Visible images (above) showed the hazy signature of resuspended volcanic ash (remaining from the 1980 eruptions of Mount St. Helens) that was being lofted from the surface by strong east-southeast winds — which were gusting as high as 38-42 mph at nearby RAWS sites — and being... Read More