USGS Volcano Notice for Aviation - DOI-USGS-AVO-2025-07-01T19:23:31+00:00

(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	(20250701/1941Z)
(3) Volcano:	Iliamna (VNUM #313020)
(4) Current Color Code:	GREEN
(5) Previous Color Code:	UNASSIGNED
(6) Source:	Alaska Volcano Observatory
(7) Notice Number:	2025/A406
(8) Volcano Location:	N 60 deg 1 min W 153 deg 5 min
(9) Area:	Cook Inlet-South Central
(10) Summit Elevation:	10016 ft (3053 m)
(11) Volcanic Activity Summary:	Repairs to the seismic network were completed last week and there is now sufficient data available to monitor activity at Iliamna Volcano. The Aviation Color Code and Volcano Alert Level are being changed to GREEN/NORMAL from UNASSIGNED/UNASSIGNED.
(12) Volcanic cloud height:	NA
(13) Other volcanic cloud information:	NA
(14) Remarks:	Iliamna Volcano is located on the western side of lower Cook Inlet in the Lake Clark National Park. Iliamna is a snow-covered stratovolcano which rises 10,020 feet above sea level. Although steam plumes occur on its eastern flanks, there has been no historic volcanic activity at Iliamna. Iliamna is located 225 km (140 miles) southwest of Anchorage and 113 km (70 miles) southwest of Homer.
(15) Contacts:	Matt Haney, Scientist-in-Charge, USGS mhaney@usgs.gov (907) 786-7497 Jessica Larsen, Acting Coordinating Scientist, UAF jflarsen@alaska.edu (907) 378-5460
(16) Next Notice:	A new VAN/VONA will be issued if conditions change significantly or alert levels are modified.