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Posts Tagged ‘Cold Bay’

Pavlof rests, for now!

Posted by feww on March 31, 2016

Pavlof ash eruption blankets large area


Pavlof volcano, as seen from Cold Bay, showing deposits of March 27-28 eruption. Photo by Candace Shaack.

Date: March 29, 2016 9:06 AM
Photographer/Creator: Candace, Shaack
URL: http://www.avo.alaska.edu/images/image.php?id=93861

Alert Level: WATCH
Current Aviation Color Code: ORANGE

The eruption of Pavlof Volcano has greatly diminished in intensity over the past day… Seismic activity remains elevated at levels above background and over the past 24 hours has been characterized by occasional short-duration tremor bursts, likely associated with the low-level ash emissions.

Although the intensity of the eruption has diminished, it is possible for conditions to change at any time and more significant ash emissions may resume with little to no warning. —AVO

KILAUEA VOLCANO (VNUM #332010)
19°25’16” N, 155°17’13” W, Summit Elevation 4,091 ft (1,247 m)
Alert Level: WATCH
Current Aviation Color Code: ORANGE

Activity Summary: Kīlauea continues to erupt in a relatively steady fashion at both the summit, where there is a circulating lava lake, and from its East Rift Zone, where surface lava flows are active northeast of the Puʻu ʻŌʻō vent. The East Rift Zone lava flow currently poses no threat to nearby communities. Earthquake rates and seismic tremor are at background levels. —HVO

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Alaska Flights Grounded amid Continued Activity at Pavlof

Posted by feww on June 5, 2014

VOLCANIC HAZARD
SCENARIO 07
.

Regional Airline Cancels Alaska Flights

Plumes of smoke, steam and ash from Pavlof continue to reach heights  of about 7,500m (24,000 feet),  according to Alaska Volcano Observatory (AVO).

Meantime, PenAir, a regional airline, canceled flights from Anchorage to  Cold Bay and Dutch Harbor on the Aleutian Islands on Wednesday.

pavlof 3jun14
Pavlof eruption with lava fountaining, early June 3, 2014, as viewed from Cold Bay. Photo credit: AVO/ Robert Stacy.

So far, no ash has reached any of local communities, according to AVO.

LAST ACTIVITY REPORT: ALASKA VOLCANO OBSERVATORY

Thursday, June 5, 2014 5:16 AM AKDT (Thursday, June 5, 2014 13:16 UTC)
UPDATED by FIRE-EARTH at 13:35UTC

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

Two strong explosions were recorded in seismic data early this morning (10:05 and 10:45 UTC; 02:05 and 02:45 AKDT) at Pavlof. Lightning was detected by the WWLLN system but there is no indication of higher altitude ash in satellite data. Meteorological cloud tops are up to 29,000 ft. ASL and winds are to the west-southwest.

Wednesday, June 4, 2014 12:14 PM AKDT (Wednesday, June 4, 2014 20:14 UTC)

The eruption of Pavlof Volcano continues. Seismicity remains stable and unchanged in the past 24 hours. Persistent elevated surface temperatures were observed in satellite images. FAA web camera views yesterday afternoon showed a towering steam plume above the vent and lower-level ash from pyroclastic flow activity on the north flank. Wind direction has shifted in the past 24 hours to a more westerly direction and recent satellite views show a plume rich in SO2 gas, steam, and minor ash extending variably between 30 and 100 km downwind and passing over Cold Bay. There have been no reports of ash fall in Cold Bay or any other community. Incandescence from lava fountaining was visible in early morning web camera images, however low-level weather clouds obscure more recent views.

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

Related Links

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Second Alaska Volcano Erupts

Posted by feww on May 16, 2013

Pavlof ejects ash and steam, as lava flows down its NW flank

Pavlof Volcano, the second Volcano in the Aleutians to become active, began erupting on Monday and was still spewing clouds of ash and steam on Wednesday, the Alaska Volcano Observatory (AVO) said.

The volcano has been emitting intermittent dark clouds of ash and steam rising up to 20,000 feet a.s.l. and drifting in a northeasterly direction, the observatory said.

  • Mt Cleveland, the other currently active Alaskan volcano, has been erupting intermittently since 2011.
  • Volcanic ash from Pavlof and other Alaska volcanoes could pose a threat to air traffic in the region.

Pavlof Activity: Color Code ORANGE  – Alert Level WATCH

  • PAVLOF VOLCANO (CAVW #1102-03-) 55°25’2″ N 161°53’37” W
  • Summit Elevation:  2,518 m (8261 ft)

pavlof
Pavlof Volcano in eruption. View is from the southwest in Cold Bay. Lava fountaining is visible near the summit, and steam and ash clouds rise from the northwest flank where a lava flow advances down the slope. May 14, 2013 11:26 AM AKDT. Credit: Rachel Kremer/AVO

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

The following report is mirrored from AVO

ALASKA VOLCANO OBSERVATORY DAILY UPDATE
Wednesday, May 15, 2013 12:40 PM AKDT (May 15, 2013 20:40UTC)

PAVLOF VOLCANO (CAVW #1102-03-)
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. Elevated seismic activity persists and a steam and ash cloud are visible in web camera images rising occasionally up to about 20,000 ft. above sea level. A diffuse ash plume was reported late last night at an altitude of 15,000 above sea level and extending downwind to the northeast for up to 100 miles before dissipating. A recent pilot report today indicated a dark ash cloud extending east-northeast at an altitude of 20,000 above sea level. National Weather Service issued a Sigmet yesterday that remains active today.

Residents of Cold Bay, located 37 miles southwest of the volcano, observed incandescent glow at the summit during the night. Pilot reports and photographs from yesterday afternoon indicate that the lava flow extending down the northwest flank is still active and has generated debris-laden flow deposits, presumably from interaction of hot lava with the snow and ice on the flank.

CLEVELAND VOLCANO (CAVW #1101-24-)
52°49’20” N 169°56’42” W, Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Elevated surface temperatures continued at Cleveland Volcano over the past 24 hours. No explosions have been detected by regional infrasound data. There has been no further information about the lava flow.

Sudden explosions of blocks and ash are possible with little or no warning. Ash clouds, if produced, could exceed 20,000 feet above sea level. If a large ash-producing event occurs, nearby seismic, infrasound, or volcanic lightning networks should alert AVO staff quickly. However, for some events, a delay of several hours is possible. Cleveland Volcano does not have a local seismic network and is monitored using only distant seismic and infrasound instruments and satellite data.

AVO will continue to monitor these volcanoes and issue additional information as available.

Code Definitions
ORANGE Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, OR eruption is underway with no or minor volcanic-ash emissions [ash-plume height specified, if possible].

WATCH: Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, OR eruption is underway but poses limited hazards.

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

Posted in Global Disaster watch, global disasters, global disasters 2013, Significant Event Imagery, significant events, significant geophysical disturbances, Volcanic Activity Report, volcanic eruption, volcano, volcano alert | Tagged: , , , , , , , | Leave a Comment »