ALASKA VOLCANO OBSERVATORY DAILY UPDATE
U.S. Geological Survey
Wednesday, June 18, 2014, 11:18 AM AKDT (Wednesday, June 18, 2014, 19:18 UTC)
SEMISOPOCHNOI VOLCANO
(VNUM #311060)
51°55'44" N 179°35'52" E,
Summit Elevation 2625 ft (800 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code:
YELLOW
The earthquake swarm at Semisopochnoi volcano that started on June 9 and escalated on June 12 continues. No eruptive activity is currently indicated and nothing was observed in mostly cloudy satellite images over the past day.
PAVLOF VOLCANO
(VNUM #312030)
55°25'2" N 161°53'37" W,
Summit Elevation 8261 ft (2518 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code:
ORANGE
The eruption of Pavlof Volcano continues. Seismic activity is steady and characterized by intermittent seismic events. The volcano has been obscured by weather in satellite images and web camera views over the past 24 hours.
SHISHALDIN VOLCANO
(VNUM #311360)
54°45'19" N 163°58'16" W,
Summit Elevation 9373 ft (2857 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code:
ORANGE
Low-level eruptive activity continues at Shishaldin. No activity was observed in mostly cloudy satellite images over the last 24 hours. Web camera views of the volcano are currently obscured by weather, however, views from late yesterday afternoon show a low-level plume from the summit.
VENIAMINOF VOLCANO
(VNUM #312070)
56°11'52" N 159°23'35" W,
Summit Elevation 8225 ft (2507 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code:
YELLOW
No activity was observed in partly cloudy satellite images and web camera views of Veniaminof in the last 24 hours.
OTHER ALASKA VOLCANOES
Other Alaska volcanoes show no signs of significant unrest: http://www.avo.alaska.edu/activity/
AVO scientists conduct daily checks of earthquake activity at all seismically-monitored volcanoes, examine web camera and satellite images for evidence of airborne ash and elevated surface temperatures, and consult other monitoring data as needed.
For definitions of Aviation Color Codes and Volcano Alert Levels, see: http://www.avo.alaska.edu/color_codes.php
FOR MORE INFORMATION ON ALASKA VOLCANOES: http://www.avo.alaska.edu
SUBSCRIBE TO VOLCANO ALERT MESSAGES by email: http://volcanoes.usgs.gov/vns/
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CONTACT INFORMATION:
John Power, Scientist-in-Charge, USGS
chris@usgs.gov (907) 786-7497
Jeff Freymueller, Coordinating Scientist, UAFGI
jeff.freymueller@gi.alaska.edu (907) 322-4085
The Alaska Volcano Observatory is a cooperative program of the U.S. Geological Survey, the University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys.