Great Sitkin (ORANGE/WATCH): No activity observed cloudy satellite and webcam views. Mostly clear except for the area we care about.
Associated Keywords:
Cloud cover: cloudy;

Shishaldin (YELLOW/ADVISORY): Lofted SO2 and steam plume seen in TROPOMI and satellite and webcam views. Weakly elevated surface temperatures (and cold steam) in a couple of overnight MIR views. WorldView-3 SWIR did not show any elevated temperatures in the vent, so it remains only warm, not hot.

WorldView-3 SWIR image

Associated Images:
shishaldin_brpk-20260131T033100Z.jpg
MidTrop-TROPOMI-2026_01_30_232313-Eastern%20Aleutians.png
375mAKSH-MIR-d20260131t1233336593Z-annotated.png
Screenshot 2026-01-31 at 10.14.52 AM.png

Associated Keywords:
Volcanic clouds: SO2 signal; steam/water;
Elevated surface temperatures: barely elevated;
Cloud cover: mostly clear;

Cleveland (GREEN/NORMAL): Moderately elevated surface temperatures in WorldView-3 SWIR and on daytime MIR view. Mostly capped by clouds the rest of the day in satellite and webcam views. No unusual, but a look into the crater.

WorldView-3 SWIR 2025-01-30

Associated Images:
Screenshot 2026-01-31 at 10.16.31 AM.png
cleveland_clco-20260131T010800Z.jpg
375mAKCL-MIR-d20260130t2339643390Z-annotated.png

Associated Keywords:
Volcanic clouds: steam/water;
Elevated surface temperatures: moderately elevated;
Cloud cover: partly cloudy;