154 reactions · 107 shares | Redoubt Volcano (Alaska) erupted 26 years ago this week, with eruptions continuing into June of 1990. Here is a fixed wing fly-by of the volcano, including a tipped wing look down into the crater, taken during an eruption on January 14, 1990. The video is from the Alaska Volcano Observatory archives. #usgs #avo #alaskavolcanoobservatory #volcanoes #redoubt #geology | USGS Volcanoes | Facebook

59K views · 1.7K reactions | Research, monitoring, communication....

AVO/USGS Volcanic Activity Notice Volcano: Shishaldin (VNUM #311360) Current Volcano Alert Level: WATCH Previous Volcano Alert Level: WARNING Current Aviation Color Code: ORANGE Previous Aviation Color Code: RED Issued: Tuesday, October 3, 2023, 10:36 AM AKDT The explosive ash eruption of Shishaldin Volcano that started this morning at 5:50 AKDT (13:50 UTC) has ended. Clear webcam views show steaming at the volcano's summit. The Aviation Color Code is being lowered to ORANGE and the Volcano Aler

UPDATE: The Alaska Volcano Observatory says the most likely outcome for Mt. Spurr is an eruption similar to what occurred in 1953 and 1992. | Alaska's News Source

1.1K views · 29 reactions | Shishaldin began erupting overnight prompting the Alaska Volcano Observatory to upgrade to a warning. The eruption continues to intensify, with a growing ash cloud that could be more than 20k feet above sea level. | Alaska's Weather Source | Facebook

🚨 SHISHALDIN VOLCANO ALERT RAISED – AUGUST 25, 2025 🚨 The Alaska Volcano Observatory has raised Shishaldin’s alert level to ADVISORY (YELLOW) after a surge in seismic tremors, infrasound, and sulfur dioxide gas. Steaming from the summit has intensified. These are the same signals recorded before the 2023 eruption that disrupted international flights. Shishaldin erupts with little warning. Flight paths and communities near Unimak Island are now on alert. #Shishaldin #AlaskaVolcano #VolcanoAlert