Posted by: Claire Puleio (cepuleio@alaska.edu), Mon Dec 15, 2025 20:35 (2035 UTC)-- AVO-GI Meeting Notes December 15, 2025 Great Sitkin: Orange Shishaldin: Yellow SIC: Matt Haney CS: Ronni Grapenthin Duty Scientist: Tim Orr Duty Remote Sensor: Tim Orr Duty Seismologist: John Lyons Primary alarms: John Lyons Secondary alarms: Tim Orr AVO Radio: Abbey Nastan BIG PICTURE: Great Sitkin: The color code remains at ORANGE. Shishaldin: The color code remains at YELLOW. General Highlights: - David is out, Ronni is acting CS, Jess will take over after AGU. Lot’s of folks at AGU! SEISMOLOGY: Highlights from Scott: - Edgecumbe: 3 events - Wrangell: 2 events - Spurr: 7 events, including 1 DLP near Spurr with a depth of ~23 km - Redoubt: 5 events - Iliamna: 20 events - Augustine: 3 events, including 1 unusual EQ ~2 km ENE with a depth of ~14 km - Fourpeaked: 1 event - Katmai Region: 33 events - Snowy/Steller: 3 events - Mount Katmai: 10 events - Trident/Novarupta: 7 events - Martin/Mageik: 14 events - Shishaldin: 2 events, including 1 MDLP at a depth of ~19 km - Westdahl: 1 event - Great Sitkin: 6 events - Semisopochnoi: 5 events, including 2 MDLPs at depths of ~16 and ~11 km - Little Sitkin: 1 event GEODESY: Ronni Grapenthin: - No noticeable deformation, lots of AGU prep happening last week. Making progress on the Semisopochnoi paper, which is nearing completion. FIELD OPS: Ellie Boyce: - Little Sitkin stations have come and gone, but as of this morning they should be in. Some brief outages on some of the Kenai based networks, seems like largely related to ISP issues. Pretty short outages, may see some small gaps as a results GAS: Claire Puleio: - No Satellite SO2 detections seen over the past week. Cleveland DOAS has observed SO2 over the past week ranging from 0-1200 t/day. Notes by Claire Puleio (cepuleio@alaska.edu) and Ronni Grapenthin Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454424 _______________________________________________ Avo_ops mailing list -- avo_ops@list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave@list.avo.alaska.edu