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USGS Volcano Notice for Aviation - DOI-USGS-AVO-2023-12-19T11:32:50-09:00
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| (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
| (2) Issued: | (20231219/2101Z) |
| (3) Volcano: | Kanaga (VNUM #311110) |
| (4) Current Color Code: | YELLOW |
| (5) Previous Color Code: | GREEN |
| (6) Source: | Alaska Volcano Observatory |
| (7) Notice Number: | 2023/A1742 |
| (8) Volcano Location: | N 51 deg 55 min W 177 deg 9 min |
| (9) Area: | Aleutians |
| (10) Summit Elevation: | 4288 ft (1307 m) |
| (11) Volcanic Activity Summary: |
A small explosion was detected at Kanaga Volcano overnight at 22:31 AKST Dec 18 (07:31 UTC Dec. 19), and AVO is increasing the Aviation Color Code to YELLOW and the Volcano Alert Level to ADVISORY. The event was detected in local infrasound and seismic data and was followed by elevated earthquake seismicity that is ongoing. No ash emisions have been observed in partly cloudy satellite images. |
| (12) Volcanic cloud height: | Unknown |
| (13) Other volcanic cloud information: | Unknown |
| (14) Remarks: | |
| (15) Contacts: | Matt Haney, Scientist-in-Charge, USGS mhaney@usgs.gov (907) 786-7497 David Fee, Coordinating Scientist, UAFGI dfee1@alaska.edu (907) 378-5460 |
| (16) Next Notice: | A new VAN will be issued if conditions change significantly or alert levels are modified. While a VAN is in effect, regularly scheduled updates are posted at |