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Eruption of Pavlof Continues

Posted by feww on June 4, 2014

VOLCANIC HAZARD
SCENARIO 07
.

Pavlof Eruption Ongoing, Conditions Could Worsen Rapidly: AVO

Intense activity at Pavlov Volcano prompted the authorities to issue a red alert on Monday, the first in five years. The alert level has since been changed to “ORANGE.”

Plume of smoke and ash reached as high as 7,500 meters on Tuesday; however, seismic activity has decreased over the past 12 hours to much lower levels than that of Monday, Alaska Volcano Observatory (AVO) reported.

“Recent satellite data and web camera views of the eruption plume indicate that there are now two distinct parts of the plume. The part of the plume that reaches high above the volcano appears to be mainly steam and gas with minor ash present, extending south of the volcano. Additionally, pyroclastic flow activity on the north flank is producing diffuse ash emissions that result in areas of hazy air, with variable concentrations of ash below 10,000 ft.”

Ongoing pyroclastic and lahar activity have created hazardous conditions on the north flank and north side drainages heading on the volcano, said AVO, adding that large, more ash-rich plumes could develop with little or no warning.

Pavlof -AVO - 2jun14
Lava fountaining from the summit vent on Pavlof. View is from the southwest. Ash and steam clouds rise up to about 20,000 ft. ASL. Date: June 2, 2014 11:36 AM. Photo credit: AVO/ R. Kremer

Volcano: Pavlof (VNUM #312030)

Current Volcano Alert Level: WATCH
Previous Volcano Alert Level: WARNING

Current Aviation Color Code: ORANGE
Previous Aviation Color Code: RED

Issued: Tuesday, June 3, 2014, 5:54 PM AKDT (20140604/01:54UTC)
Source: Alaska Volcano Observatory (AVO)
Notice Number: 2014/A8
Location: N 55 deg 25 min, W 161 deg 53 min
Elevation: 8261 ft (2,518 m)
Area: Alaska Peninsula, Alaska

Alerts at Other Alaska Volcanoes

  • Shishaldin: Color Code: ORANGE/ Alert Level WATCH
  • Cleveland: Color Code YELLOW / Alert Level ADVISORY
  • Veniaminof: Color Code YELLOW / Alert Level ADVISORY

Pavlof location map
Index map showing location of Pavlof volcano and other Alaska Peninsula volcanoes.  Credit: Janet Schaefer/AVO

Cleveland location map
Location of Cleveland volcano and other Aleutian volcanoes with respect to nearby cities and towns.  Credit: Janet Schaefer/AVO

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