False color GOES-18 satellite imagery showing an ash plume (pink-brown region) extending southwest from Shishaldin Volcano on July 16, 2023, 6:10 UTC (July 15, 10:10 pm AKDT). The current eruption is generating this ash cloud, which is reaching an altitude of 14,000-16,000 ft above sea level. The false color image combines different wavelengths of infrared light to distinguish volcanic activity, such as the thermal anomaly from elevated surface temperatures at the summit of the volcano highlighted in the red box, and an ash cloud highlighted in the brown polygon.
Imagery and volcanic activity detections provided by NOAA/CIMSS Volcanic Cloud Monitoring
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