AVO Shishaldin ORANGE/WATCH – Low-level eruption continues with tremor and elevated surface temperatures during week

Sep 20, 2019 22:29 – Low-level eruptive activity within the summit crater continues at Shishaldin. Seismicity remained elevated during the past week and was characterized by low-level tremor. Satellite data have shown elevated surface temperatures at the summit crater when views were not obscured by clouds. Conditions at the volcano appear to have changed little over the past several weeks, with slight growth in the scoria cone and lava flows within the summit crater. The low-level lava fountaining and repetitive minor explosive activity within the summit crater observed on August 17, 2019 is …