{"noticeTitle":"ALASKA VOLCANO OBSERVATORY INFORMATION STATEMENT","noticeHtml":"\u003Cbr\/\u003E\n \u003Ccenter\u003E\n \u003Cp class=\u0022text-center\u0022\u003E\n \u003Cb\u003EALASKA VOLCANO OBSERVATORY INFORMATION STATEMENT\u003C\/b\u003E\u003Cbr\/\u003E\n \u003Cb\u003EU.S. Geological Survey\u003C\/b\u003E\u003Cbr\/\u003E\n \u003Cb\u003ESaturday, August 8, 2026, 11:03 AM AKDT (Saturday, August 8, 2026, 19:03 UTC)\u003C\/b\u003E\n \u003C\/p\u003E\n \u003C\/center\u003E\n \u003Cbr\/\u003E\n \u003Cb\u003EILIAMNA\u003C\/b\u003E (VNUM #313020)\u003Cbr\/\u003E60\u00b01'55\u0022 N 153\u00b05'30\u0022 W, Summit Elevation 10016 ft (3053 m)\u003Cbr\/\u003ECurrent Volcano Alert Level: NORMAL\u003Cbr\/\u003ECurrent Aviation Color Code: GREEN\u003Cbr\/\u003E\u003Cbr\/\u003E\u003Cspan name=\u0022synopsis\u0022\u003E\u003Cb\u003ESummary:\u003C\/b\u003E An avalanche signal observed in seismic and pressure sensor data. No volcanic activity. \u003C\/span\u003E\u003Cbr\/\u003E\u003Cbr\/\u003E\u003Cspan name=\u0022summary\u0022\u003E\u003Cp\u003EAVO detected seismic and pressure sensor signals associated with a large avalanche on the eastern flank of Iliamna Volcano this morning at 7:57 am AKDT (15:57 UTC). Avalanche events are somewhat common at this volcano.  Avalanches of similar seismic duration and amplitude occurred previously on May 22, 2016, June 21, 2019 and June 6, 2023.  The seismic signals from the avalanche were observed on monitoring networks throughout the Cook Inlet and as distant as the Katmai region 250 km (155 miles) away. We have not received any visual observations of the slide location or extent. The avalanche is not considered to be indicative of volcanic unrest.  \u003C\/p\u003E\u003C\/span\u003E\u003Cbr\/\u003E\u003Cbr\/\u003E\u003Cp\u003EIliamna volcano is located on the western side of lower Cook Inlet in Lake Clark National Park. It is a snow-covered stratovolcano which rises 3046 meters (9,993 feet) above sea level. Although steam plumes occur on its eastern flanks, there has been no historical volcanic activity at Iliamna. Iliamna is located 215 kilometers (130 miles) southwest of Anchorage and 100 kilometers (60 miles) northwest of Homer.\u003C\/p\u003E\u003Cbr\/\u003E\u003Cbr\/\u003E \n \u003Cbr\/\u003E\u003Cbr\/\u003E\n \u003Cb\u003ECONTACT INFORMATION:\u003C\/b\u003E\u003Cbr\/\u003E\u003Cbr\/\u003E\n \u003Cp\u003EMatt Haney, Scientist-in-Charge, USGS mhaney@usgs.gov (907) 786-7497\u003C\/p\u003E\u003Cp\u003ERonni Grapenthin, Acting Coordinating Scientist, UAFGI, rgrapenthin@alaska.edu (907) 378-5460\u003C\/p\u003E\u003Cbr\/\u003E\u003Cbr\/\u003E\u003Cp\u003EContact AVO: \u003Ca href=\u0022https:\/\/avo.alaska.edu\/contact\u0022\u003Ehttps:\/\/avo.alaska.edu\/contact\u003C\/a\u003E\u003C\/p\u003E\u003Cp\u003EThe Alaska Volcano Observatory is a cooperative program of the U.S. Geological Survey, the University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys.\u003C\/p\u003E","sentUtc":"2026-08-08","obs":"avo","noticeId":"DOI-USGS-AVO-2026-08-08T17:55:14+00:00","noticeUrl":"https:\/\/volcanoes.usgs.gov\/hans2\/view\/notice\/DOI-USGS-AVO-2026-08-08T17:55:14+00:00","noticeData":"https:\/\/volcanoes.usgs.gov\/vsc\/api\/hansApi\/notice\/DOI-USGS-AVO-2026-08-08T17:55:14+00:00"}