ALASKA VOLCANO OBSERVATORY DAILY UPDATE
U.S. Geological Survey
Thursday, July 18, 2013, 11:59 AM AKDT (Thursday, July 18, 2013, 19:59 UTC)

PAVLOF VOLCANO (VNUM #312030)
55°25'2" N 161°53'37" W, Summit Elevation 8261 ft (2518 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

Seismic activity remains very low. Cloudy satellite observations show no evidence of elevated surface temperatures over the past 24 hours. No ash or gas emissions have been detected in satellite data and cloudy web camera images or reported by pilots. Observers in the field report lava flows down the north-northwest flank of Pavlof and a recently repaired seismic station on the north side shows signals associated with these flows.

VENIAMINOF VOLCANO (VNUM #312070)
56°11'52" N 159°23'35" W, Summit Elevation 8225 ft (2507 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Nearly continuous low-level volcanic tremor has been ongoing. Weather has prevented clear views of the volcanno in Satellite data during the past 24 hours. Available data indicate an ongoing low-level eruption characterized by effusion of lava and emission of minor amounts of ash and steam.

CLEVELAND VOLCANO (VNUM #311240)
52°49'20" N 169°56'42" W, Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

Nothing unusual was observed in cloudy satellite images over the past 24 hours. AVO has received no other reports of activity at the volcano.

VOLCANO INFORMATION ON THE INTERNET: http://www.avo.alaska.edu
RECORDING ON THE STATUS OF ALASKA'S VOLCANOES (907) 786-7478

CONTACT INFORMATION:

John Power, Scientist-in-Charge, USGS
jpower@usgs.gov (907) 786-7497

Jeff Freymueller, Coordinating Scientist, UAFGI
jeff.freymueller@gi.alaska.edu (907) 378-7556

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.

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