Sunday, Mar 15, 2026 | 4 months ago · VNThe United States Geological Survey (USGS) issued a report for Katmai on 15 March 2026 (local). The alert level remained at "Normal" (level 1 on a 4-level scale). The aviation alert level remained at …The United States Geological Survey (USGS) issued a report for Katmai on 15 March 2026 (local). The alert level remained at "Normal" (level 1 on a 4-level scale). Source: United States Geological Survey (USGS)Current Alerts:Observatory alert level: "Normal" (level 1 on a 4-level scale)"Green" (level 1 on a 4-level scale)Ada…Read more