(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
(2) Issued: | (20170709/1524Z) |
(3) Volcano: | Bogoslof (VNUM #311300) |
(4) Current Color Code: | ORANGE |
(5) Previous Color Code: | RED |
(6) Source: | Alaska Volcano Observatory |
(7) Notice Number: | |
(8) Volcano Location: | N 53 deg 55 min W 168 deg 2 min |
(9) Area: | Aleutians |
(10) Summit Elevation: | 492 ft (150 m) |
(11) Volcanic Activity Summary: | No further ash emissions have occurred at Bogoslof Volcano since the explosion on Saturday, 08 July at 10:15 AKDT (18:15 UTC) and seismicity remains low. We are therefore lowering the Aviation Color Code to ORANGE and the Alert Level to WATCH. Additional ash-producing eruptions could occur at any time, however, with no detectable precursors. |
(12) Volcanic cloud height: | Not applicable |
(13) Other volcanic cloud information: | Not applicable |
(14) Remarks: | |
(15) Contacts: | Chris Waythomas, Acting Scientist-in-Charge, USGS chris@usgs.gov (907) 786-7497 Pavel Izbekov, Acting Coordinating Scientist, UAF GIpavel@gi.alaska.edu (907) 322-4085 |
(16) Next Notice: |