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• 2003 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory

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  "The Alaska Volcano Observatory (AVO) monitors the more than 40 historically active volcanoes of the Aleutian Arc. Of these, 24 were considered monitored in real time with short-period seismic instrument networks as of the end of 2003 (figs. 1, 2) (Dixon and others, 2004). The AVO core monitoring program also includes daily analysis of satellite imagery, observation over flights, and compilation of pilot reports and reports from local residents and mariners. In 2003, AVO responded to eruptive activity or suspected volcanic activity at or near 10 volcanic centers (fig. 1; tables 1, 2): Wrangell, Redoubt, Iliamna, Augustine, Mageik, Veniaminof, Pavlof, Emmons Lake (Hague), Shishaldin, and Akutan volcanoes. In addition to responding to eruptive activity at Alaska volcanoes, AVO assisted in the dissemination of information for the Kamchatka Volcanic Eruption Response Team (KVERT) about the 2003 activity of 6 Russian volcanoes: Sheveluch, Klyuchevskoy, Bezymianny, Karym¬sky, Alaid, and Chikurachki volcanoes (fig. 22; tables 3, 4). Due to prevailing wind directions, erupting Kamchatkan, Kurile Island, and Alaskan volcanoes pose a serious potential threat to aircraft in the North Pacific (fig. 3). This report summarizes volcanic activity and AVO responses during 2003, as well as information on the reported activity at Russian volcanoes."

  United States. Department of the Interior; Geological Survey (U.S.)

  McGimsey, Robert G.; Neal, Christina, 1959-; Girina, Olga

  2005
• 2002 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory

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  "The Alaska Volcano Observatory (AVO) tracks activity at the more than 40 historically active volcanoes of the Aleutian Arc (fig. 1). As of December 31, 2002, 24 of these volcanoes are monitored with short-period seismometer networks (fig. 2). AVO's monitoring program also includes daily analysis of satellite imagery supported by occasional over flights and compilation of pilot reports, observations of local residents, and observations of mariners. In 2002, AVO responded to eruptive activity or suspect volcanic activity at 6 volcanic.centers in Alaska --Wrangell, the Katmai Group, Veniaminof, Shishaldin, Emmons Lake (Hague), and Great Sitkin volcanoes […]. In addition to responding to eruptive activity at Alaskan volcanoes, AVO also disseminated information on behalf of the Kamchatkan Volcanic Eruption Response Team (KVERT) about activity at 5 Russian.volcanoes--Sheveluch, Klyuchevskoy, Bezymianny, Karymsky, and Chikurachki. This report summarizes volcanic activity in Alaska and Kamchatka in 2002 and describes AVO's response. Only those reports or inquiries that resulted in a 'significant' investment of staff time and energy (somewhat arbitrarily defined as several hours or more for reaction, tracking, and follow-up) are included. AVO typically receives dozens of reports of steaming, unusual cloud sightings, or false eruption reports throughout the year. Most of these are resolved quickly and are not tabulated here as part of the response record. On rare occasions, AVO issues an information release to dispel rumors of volcanic activity. The phrase 'suspect volcanic activity' (SVA), used to characterize several responses, is unusual activity that is subsequently determined to be normal or enhanced fumarolic activity, weather-related phenomena, or other non-volcanic event."

  United States. Department of the Interior; Geological Survey (U.S.)

  McGimsey, Robert G.; Neal, Christina, 1959-; Girina, Olga
• 1999 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory

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  "The Alaska Volcano Observatory (AVO) monitors 41 historically active volcanoes along the Aleutian Arc (fig. 1a). Twenty are seismically monitored and for the rest, the AVO monitoring program relies mainly on daily analysis of satellite images, pilot reports, and observations of local residents and ship's crews. In 1999, AVO responded to eruptive activity or suspect volcanic activity at 7 volcanic centers (tables 1 & 2; fig. 1a): Wrangell, Shrub mud volcano, Iliamna, Veniaminof, Pavlof, Shishaldin, and Vsevidof volcanoes. Of these, in 1999, AVO had real-time, continuously recording seismic networks at Iliamna, and Shishaldin. The phrase 'suspect volcanic activity' (SVA), used to characterize several responses, is an eruption report or report of unusual activity that is subsequently determined to be normal or enhanced fumarolic activity, weather-related phenomena, or a non-volcanic event. In addition to responding to eruptive activity at Alaska volcanoes, AVO also disseminated information for the Kamchatkan Volcanic Eruption Response Team (KVERT) about the 1999 activity of four Russian volcanoes: Sheveluch, Klyuchevskoy, Bezimianny, and Karymsky volcanoes (fig. 14; table 4). This report summarizes volcanic activity and SVA in Alaska during 1999 and the AVO response, as well as information on the reported activity at the Russian volcanoes."

  United States. Department of the Interior; Geological Survey (U.S.)

  McGimsey, Robert G.; Neal, Christina, 1959-; Girina, Olga
• 1998 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory

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  "The Alaska Volcano Observatory (AVO) monitors the more than 40 historically active volcanoes of the Aleutian Arc. Of these, 20 are monitored with short-period seismic instrument networks as of the end of 1998 (fig. 1 a,b). The AVO core monitoring program also includes daily analysis of satellite imagery, overflights, compilation of pilot reports and observations from local residents and ship crews. In 1998, AVO responded to eruptive activity or suspected volcanic activity at or near 7 volcanic centers (fig. 1 a,b; tables 1, 2); Shrub mud volcano, Augustine, Becharof Lake near Ukinrek Maars, Chiginagak, Shishaldin, Akutan, and Korovin. In addition to responding to eruptive activity at Alaska volcanoes, AVO assisted in the dissemination of information for the Kamchatkan Volcanic Eruption Response Team (KVERT) about the 1998 activity of 4 Russian volcanoes--Sheveluch, Klyuchevskoy, Bezymianny, and Karymsky (fig. 10; table 3). Due to prevailing wind directions, Kamchatkan volcanoes pose a serious threat to aircraft in the North Pacific (fig. 11). This report summarizes volcanic activity and AVO responses during 1998, as well as information on the reported activity at Russian volcanoes."

  United States. Department of the Interior; Geological Survey (U.S.)

  McGimsey, Robert G.; Neal, Christina, 1959-; Girina, Olga
• 2001 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory

  Show summary     Open resource [pdf]     (open full abstract)

  "The Alaska Volcano Observatory (AVO) monitors the more than 40 historically active volcanoes of the Aleutian Arc. Of these, 22 are monitored with short-period seismic instrument networks as of the end of 2001 (fig. 1 a,b). The AVO core monitoring program also includes daily analysis of satellite imagery, observation overflights, compilation of pilot reports and reports from local resi¬dents and mariners. In 2001, AVO responded to eruptive activity or suspected volcanic activity at or near 8 volcanic centers (fig. 1 a,b; tables 1, 2); Snowy and Kukak of the Kamai Group, Pavlof, Frosty, Shishaldin, Makushin, Okmok, Cleveland, and Great Sitkin volcanoes. In addition to responding to eruptive activity at Alaskan volcanoes, AVO assisted in the dissemi¬nation of information for the Kamchatka Volcanic Eruption Response Team (KVERT) regarding the 2001 activity of 5 Russian volcanoes--Sheveluch, Klyuchevskoy, Bezymianny, Karymsky, and Avachinsky volcanoes (fig. 21; table 3). Due to prevailing wind directions, erupting Kamchatkan and Alaskan volcanoes pose a serious threat to aircraft in the North Pacific (fig. 3). This report summarizes volcanic activity and AVO responses during 2001, as well as information on the reported activity at Russian volcanoes."

  United States. Department of the Interior; Geological Survey (U.S.)

  McGimsey, Robert G.; Neal, Christina, 1959-; Girina, Olga