|(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)|
|(3) Volcano:||Tanaga (VNUM #311080)|
|(4) Current Color Code:||GREEN|
|(5) Previous Color Code:||UNASSIGNED|
|(6) Source:||Alaska Volcano Observatory|
|(7) Notice Number:||2021/A175|
|(8) Volcano Location:||N 51 deg 53 min W 178 deg 8 min|
|(10) Summit Elevation:||5925 ft (1806 m)|
|(11) Volcanic Activity Summary:||Communication with two seismic stations has been reestablished. With four local seismic stations active, the Alaska Volcano Observatory can resume locating earthquakes and detect unrest at Tanaga. The Aviation Color Code is now GREEN and the Volcano Alert Level is now designated as NORMAL.
Any eruptive activity or unrest may also still be detected in regional infrasound networks, through detection of lightning, and/or monitoring of satellite images.
|(12) Volcanic cloud height:||Unknown|
|(13) Other volcanic cloud information:||Unknown|
|(15) Contacts:||Aaron Wech, Acting Scientist-in-Charge, USGS
email@example.com (907) 786-7497
Jessica Larsen, Acting Coordinating Scientist, UAF
firstname.lastname@example.org (907) 322-4085
|(16) Next Notice:|
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