| (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
| (2) Issued: | (20120302/2017Z) |
| (3) Volcano: | Kanaga (CAVW# 1101-11-) |
| (4) Current Color Code: | GREEN |
| (5) Previous Color Code: | yellow |
| (6) Source: | Alaska Volcano Observatory |
| (7) Notice Number: | 2012/A4 |
| (8) Volcano Location: | N 51 deg 55 min W 177 deg 9 min |
| (9) Area: | Aleutians Alaska |
| (10) Summit Elevation: | 4288 ft (1307 m) |
| (11) Volcanic Activity Summary: | The level of unrest at Kanaga Volcano has declined to background levels and AVO is reducing the Aviation Color Code and Volcano Alert Level to Green/Advisory. A brief period of elevated seismicity and an associated minor ash emission were detected on February 18. A minor increase in seismicity also occurred on February 24, but had no confirmed associated ash emission. Since then the level of unrest has declined to background levels. |
| (12) Volcanic cloud height: | Unknown |
| (13) Other volcanic cloud information: | Unknown |
| (14) Contacts: | John Power, Scientist-in-Charge, USGS jpower@usgs.gov (907) 786-7497 Steve McNutt, Coordinating Scientist, UAF steve@giseis.alaska.edu (907) 474-7131 |
| (15) Next Notice: | A new VONA will be issued if conditions change significantly or alert levels are modified. While a VONA is in effect, regularly scheduled updates are posted at http://www.avo.alaska.edu |
