AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
About Alaska's Volcanoes | Hazards from Alaska's Volcanoes | Map & Alphabetical List | Interactive Map | Eruption Search | Volcano Search 
You are here: Home > Volcano Information

Koniuji reported activity



Event Name : Koniuji 5800 yBP

Start: 5800 (± 3100 Years) Years BP Ar/Ar

Lava flow: BibCard
Eruption Type:Effusive
Eruption Product: basaltic andesite BibCard

Description: From Jicha (2009): "One of the numerous thin basaltic andesitic flows that form a steep cliff of the western shoreline gave a 40Ar/39Ar plateau age of 5.8+/-3.1 ka (Table 1 [in original text])."

"Following subaerial basaltic andesitic effusions at ~15 ka, a series of thin basaltic andesitic flows formed the western and central sector of the island at ~5.8 ka."

Contact AVO Privacy Accessibility Information Quality FOIA
URL: www.avo.alaska.edu/volcanoes/activity.php
Page modified: March 30, 2017 14:36
Contact Information: AVO Web Team

twitter @alaska_avo
facebook alaska.avo
email Receive volcano updates by email: USGS VNS

This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.

Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.