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AVO IMAGE DATABASE
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Caption:Active fumaroles on the north flank of Chiginagak volcano. Photo taken by Robert Dreeszen from his cabin at the outlet on Lower Ugashik Lake, approximately 50 kilometers (30 miles) north of the volcano. View is to the south.
Date:July 15, 2014 12:10 AM
Photographer:Dreeszen, Robert
ChiginagakFumarolic activity
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Caption:Composite false-color Landsat-8 satellite image from July 14, 2014 produced by combining the shortwave infrared (SWIR1), near infrared (NIR), and blue (visible) wavelength data. This color combination enhances the visualization of vegetation, exposed rocks, and snow (light blue). This is a rare partly cloudy satellite image and some of the volcanic features are indicated. No evidence of increased surface temperatures in response to the increased number of volcanic earthquakes that began in early June 2014.
Date:July 14, 2014 11:00 PM
Photographer:
SemisopochnoiVolcano
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Caption:This image shows Landsat-8 shortwave-infrared data (2.2 micron wavelength; colored areas show hot ground) and thermal-infrared data (shows cloud cover in white), both overlain on the Cleveland imagery in GoogleEarth Pro. Landsat image acquired on July 13, 2014. This data shows the summit crater at Cleveland remains quite hot. The slight coloration on the flank is not indicative of warm temperatures but is a data-processing artifact.
Date:July 13, 2014 8:45 AM
Photographer:Schneider, Dave
ClevelandCaldera/crater, Volcano
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Caption:This image shows Landsat-8 shortwave-infrared data (2.2 micron wavelength; colored areas show hot ground) and thermal-infrared data (shows cloud cover in white), both overlain on the Cleveland imagery in GoogleEarth Pro. Landsat image acquired on July 13, 2014. This data shows the summit crater at Cleveland remains quite hot. Note: the slight coloration on the flank is not indicative of warm temperatures but is a data-processing artifact.
Date:July 13, 2014 8:45 AM
Photographer:Schneider, Dave
ClevelandCaldera/crater, Volcano
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Caption:View of Shishaldin from AVO geophysical monitoring site SSLS on the southwest flank of the volcano. During a maintenance visit to Unimak Island in late June, good weather allowed the crew a good look at this active volcano. The upper flanks of the volcano are darkened by ash erupted over the last several months during low-level lava fountaining and small explosions deep in the summit crater. On some days, a plume of steam and gas can be seen in the AVO web camera images.
Date:June 28, 2014 9:04 PM
Photographer:Ketner, Dane
ShishaldinCaldera/crater, Cinder cone, Tephra
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Caption:View of Shishaldin from AVO geophysical monitoring site SSLS southwest of the volcano, on June 28, 2014. The upper flanks of the volcano are darkened by ash erupted over the last several months during low-level lava fountaining and small explosions deep in the summit crater. On some days, a plume of steam and gas can be seen in the AVO web camera images.
Date:June 28, 2014 7:45 PM
Photographer:Ketner, Dane
ShishaldinCaldera/crater, Cinder cone, Tephra
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Caption:View of Shishaldin from geophysical monitoring site BRPK southeast of the volcano. During a maintenance visit to Unimak Island in late June, good weather allowed the crew a good look at this active volcano. Here you can see a small puff of steam emerging from the summit crater. The upper flanks of the volcano are darkened by ash erupted over the last several months during low-level lava fountaining and small explosions deep in the summit crater. On some days, a plume of steam and gas can be seen in the AVO web camera images.
Date:June 28, 2014 3:36 PM
Photographer:Ketner, Dane
ShishaldinCaldera/crater, Cinder cone, Steam, Tephra
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Caption:Composite satellite image of Pavlof Volcano showing the extent of the lava flows on the northeast flank. The base image was collected by the Worldview-2 satellite on May 9, 2014 (prior to the onset of eruptive activity) and is overlain (in color) with a Landsat-8 thermal infrared image collected early in the morning on June 24, 2014. The thermal infrared sensor measured the heat given off by the still-warm lava flow. The length of the longest branch of the lava flow is about 5 km (3 miles). Note that the lava flow appears to have traveled under the ice on the upper flank of the volcano.
Date:June 24, 2014 8:15 AM
Photographer:Schneider, Dave
PavlofLava flow, Volcano
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Caption:Pair of satellite images of Unimak Island on June 21, 2014. On the left a NOAA AVHRR image showing strongly elevated surface temperatures at the summit of Shishaldin Volcano, consistent with ongoing low-level eruptive activity in the summit crater. On the right, from about 6 hours later, is a visible image of the island from a different satellite. Shishaldin is visible but there is no obvious sign of activity. A number of other volcanoes are visible as well. These are the kinds of images AVO scientists examine daily to evaluate the state of Alaska's 52 historically active volcanoes. For more information, explore our web site: www.avo.alaska.edu.
Date:June 21, 2014 12:00 AM
Photographer:Neal, Christina
Dutton, Frosty, Gilbert, Isanotski, Roundtop, Shishaldin, WestdahlLava fountaining, Stratovolcano, Volcano
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Caption:View of Pavlof on June 9, 2014, as seen from Cold Bay, 35 miles to the southwest of the volcano. There is no sign of any significant ash production from the volcano, consistent with diminishing activity seen in seismic and satellite data. However, the summit poking above the clouds is clearly darkened with recent ashfall. AVO continues to see elevated surface temperatures, likely related to new lava flows on the northwest flank. Photo courtesy of James Gibson.
Date:June 9, 2014 12:00 AM
Photographer:Gibson, James
PavlofStratovolcano
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Caption:Possible ash cloud from Cleveland, generated by explosions on June 5, 2014. Cloud is about 140 km (89 mi) southwest of the volcano. NOAA-16 Thermal Infrared BTD image, 08:04:09 UTC (00:04:09 AKDT on June 5, 2014).
Date:June 5, 2014 8:04 AM
Photographer:Schneider, Dave
ClevelandEruption cloud/ plume/ column
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Caption:Pavlof in eruption, with lava fountaining and ash plume, early hours of June 4, 2014. View from Cold Bay. Photo courtesy of Robert Stacy.
Date:June 4, 2014 12:25 AM
Photographer:Stacy, Robert
PavlofEruption cloud/ plume/ column, Lava flow, Lava fountaining, Tephra
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Caption:Pavlof in eruption, with lava fountaining and ash plume, early hours of June 4, 2014. View from Cold Bay. Photo courtesy of Robert Stacy.
Date:June 4, 2014 12:25 AM
Photographer:Stacy, Robert
PavlofEruption cloud/ plume/ column, Lava flow, Lava fountaining, Tephra
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Caption:Pavlof in eruption, with lava fountaining and ash plume, early hours of June 4, 2014. View from Cold Bay. Photo courtesy of Robert Stacy.
Date:June 4, 2014 12:25 AM
Photographer:Stacy, Robert
PavlofEruption cloud/ plume/ column, Lava flow, Lava fountaining, Tephra
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Caption:Aerial view of Veniaminof, June 3, 2014. Photo courtesy of Paul Horn, AK Fish and Game.
Date:June 3, 2014 3:11 PM
Photographer:Horn, Paul
VeniaminofSteam
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Caption:Aerial view of Pavlof's eruption, June 3, 2014. Photo courtesy of Paul Horn, AK Fish and Game.
Date:June 3, 2014 2:34 PM
Photographer:Horn, Paul
PavlofEruption cloud/ plume/ column, Lava flow, Lava fountaining, Tephra
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Caption:Aerial view of Pavlof's eruption, June 3, 2014. Photo courtesy of Paul Horn, AK Fish and Game.
Date:June 3, 2014 2:31 PM
Photographer:Horn, Paul
PavlofEruption cloud/ plume/ column, Lava flow, Lava fountaining, Tephra
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Caption:Photograph of Pavlof erupting as seen from 28,000 feet at about 4 p.m. June 2, 2014.
Date:June 3, 2014 2:00 PM
Photographer:Wetzel, Tarek
PavlofEruption cloud/ plume/ column, Volcano
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Caption: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 3, 2014 1:02 AM
Photographer:Kremer, Rachel
PavlofEruption cloud/ plume/ column, Lava fountaining
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Caption:Photo of Pavlof lava fountaining, early hours of June 3, 2014, viewed from Cold Bay. Photo courtesy of Robert Stacy.
Date:June 3, 2014 12:00 AM
Photographer:Stacy, Robert
PavlofEruption cloud/ plume/ column, Lava flow, Lava fountaining
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Caption:Pavlof eruption with lava fountaining, early June 3, 2014, as viewed from Cold Bay. Photo courtesy of Robert Stacy.
Date:June 3, 2014 12:00 AM
Photographer:Stacy, Robert
PavlofEruption cloud/ plume/ column, Lava fountaining, Steam, Tephra
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Caption:Animation of webcam images from the FAA Cold Bay NE webcam, 2 June 2014 1800 - 3 June 2014 0630.
Date:June 3, 2014 12:00 AM
Photographer:FAA ColdBay NE
PavlofEruption cloud/ plume/ column, Lava fountaining, Tephra
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Caption:Photo of Pavlof's ash cloud shifting towards Cold Bay, on the evening of June 3, 2014. Photo courtesy of Robert Stacy.
Date:June 3, 2014 12:00 AM
Photographer:Stacy, Robert
PavlofEruption cloud/ plume/ column, Tephra
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Caption:Pavlof in eruption, 2014. Photo courtesy of William Yi, USCG.
Date:June 2, 2014 11:11 PM
Photographer:Yi, William
PavlofEruption cloud/ plume/ column
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Caption:Pavlof in eruption, 2014. Photo courtesy of William Yi, USCG.
Date:June 2, 2014 11:01 PM
Photographer:Yi, William
PavlofEruption cloud/ plume/ column
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Page modified: May 14, 2014 14:08
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