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Shishaldin reported activity

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EVENT SPECIFIC INFORMATION

Event Name : Shishaldin 2017/12

Start:November 2017 ± 14 DaysObserved
Stop:January 2018 ± 30 DaysObserved

Seismicity with no confirmed eruption: BibCard
Eruption Type:Not an eruption.
Other""

Description: On December 6, 2017, citing increased seismic and infrasound activity at Shishaldin over the past few weeks, AVO raised the Aviation Color Code and Volcanic Alert Level from GREEN/NORMAL to YELLOW/ADVISORY. These observations represent a departure from normal background activity at Shishaldin, but do not necessarily indicate that an eruption will occur.

AVO lowered the Aviation Color Code and Volcano Alert Level to GREEN/NORMAL on February 7, 2018, citing declining seismicity and infrasound activity over the previous month.

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

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