Weekly Volcanic Report

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Rich

SI / USGS Weekly Volcanic Activity Report

  • Tue, 20 Oct 2020 23:29:14 -0600: Karymsky (Russia) - Report for 14 October-20 October 2020 - NEW - Smithsonian / USGS Weekly Volcanic Activity Report

    Pilots observed explosions at 1430 on 21 October at Karymsky with ash plumes that rose to 4 km (13,100 ft) a.s.l. and drifted SE. KVERT raised the Aviation Color Code to Orange (the second highest level on a four-color scale).

    Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

  • Tue, 20 Oct 2020 23:29:14 -0600: Klyuchevskoy (Russia) - Report for 14 October-20 October 2020 - NEW - Smithsonian / USGS Weekly Volcanic Activity Report

    KVERT reported that Strombolian activity at Klyuchevskoy was continuing during 9-16 October and a lava flow was advancing down the Apakhonchich drainage on the SE flank. A large bright thermal anomaly was identified in satellite images and during 8-9 October ash plumes drifted 270 km SE. The Aviation Color Code was raised to Orange (the second highest level on a four-color scale) on 8 October.

    Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

  • Tue, 20 Oct 2020 23:29:14 -0600: Villarrica (Chile) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    SERNAGEOMIN reported that explosions at Villarrica were recorded at 0534 and 0804 on 15 October and were each associated with long-period seismicity. The first explosion ejected incandescent material above the crater rim and deposited tephra on the E flank as far as 3 km. The second explosion ejected tephra 450 m. An explosion and long-period event were recorded at 1722 on 20 October; an ash plume rose 240 m above the vent and drifted S. POVI noted that the vent was 5-6 m in diameter at a depth of 150 m below the crater rim. The Alert Level remained at Yellow, the second lowest level on a four-color scale. ONEMI maintained an Alert Level Yellow (the middle level on a three-color scale) for the municipalities of Villarrica, Puc�n (16 km N), Curarrehue, and the commune of Panguipulli, and the exclusion zone for the public of 500 m around the crater.

    Sources: Oficina Nacional de Emergencia-Ministerio del Interior (ONEMI) ,Proyecto Observaci�n Villarrica Internet (POVI),Servicio Nacional de Geolog�a y Miner�a (SERNAGEOMIN)

  • Tue, 20 Oct 2020 23:29:14 -0600: Kerinci (Indonesia) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    PVMBG reported that on 17 October dense white, brown, and black ash plumes rose 100-800 m above Kerinci?s summit and drifted NE. White-and-brown plumes rose as high as 400 m and drifted NE and E during 18-19 October. The Alert Level remained at 2 (on a scale of 1-4), and the public was reminded to stay outside of the general 1-km radius from the summit and 4 km on the SSE flank.

    Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)

  • Tue, 20 Oct 2020 23:29:14 -0600: Dukono (Indonesia) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    Based on satellite and wind model data, the Darwin VAAC reported that during 15-17 and 19-20 October ash plumes from Dukono rose to 2.1-2.4 km (7,000-8,000 ft) a.s.l. and drifted SW, W, N, and E. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to remain outside of the 2-km exclusion zone.

    Source: Darwin Volcanic Ash Advisory Centre (VAAC)

  • Tue, 20 Oct 2020 23:29:14 -0600: Sheveluch (Russia) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    KVERT reported that a thermal anomaly over Sheveluch was identified in satellite images during 8-16 October. A plume of re-suspended ash drifted 310 km SE during 8-9 October. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).

    Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

  • Tue, 20 Oct 2020 23:29:14 -0600: Ebeko (Russia) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    Volcanologists in Severo-Kurilsk (Paramushir Island), about 7 km E of Ebeko, observed explosions during 8-12 and 14-15 October that sent ash plumes up to 3 km (10,000 ft) a.s.l. and drifted N, E, SE, and S. Ash fell in Severo-Kurilsk during 9-10 October. A thermal anomaly over the volcano was visible in satellite data on 12 October. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).

    Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

  • Tue, 20 Oct 2020 23:29:14 -0600: Kadovar (Papua New Guinea) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    Based on satellite data, the Darwin VAAC reported that on 18 October a discrete ash puff from Kadovar rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted W.

    Source: Darwin Volcanic Ash Advisory Centre (VAAC)

  • Tue, 20 Oct 2020 23:29:14 -0600: Reventador (Ecuador) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    IG reported that a high level of activity continued to be recorded at Reventador during 14-20 October. Gas, steam, and ash emissions, observed sometimes multiple times a day with the webcam or reported by the Washington VAAC, rose as high as 1 km above the summit crater and drifted NE, NW, and W. Crater incandescence and incandescent blocks rolling down the flanks were observed almost nightly; blocks rolled 600 m down the SE flank during 17-18 October. The 400-m-long lava flow on the NE flank remained active but did not advance.

    Source: Instituto Geof�sico-Escuela Polit�cnica Nacional (IG)

  • Tue, 20 Oct 2020 23:29:14 -0600: Aira (Japan) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    JMA reported that during 14-20 October incandescence from Minamidake Crater (at Aira Caldera?s Sakurajima volcano) was visible nightly. A small eruption was recorded on 13 October. During an overflight that same day scientists observed lava at the bottom of the crater. The Alert Level remained at 3 (on a 5-level scale).

    Source: Japan Meteorological Agency (JMA)

  • Tue, 20 Oct 2020 23:29:14 -0600: Semeru (Indonesia) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    PVMBG that gray-and-white ash plumes rose 200-1,000 m above Semeru?s summit and drifted S and W during 16-17 October. The Alert Level remained at 2 (on a scale of 1-4).).

    Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)

  • Tue, 20 Oct 2020 23:29:14 -0600: Pavlof (United States) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    AVO reported that no seismic tremor at Pavlof had been recorded during the previous two weeks, nor had eruptive activity or unusual surface temperatures been observed in satellite and webcam images. The Volcano Alert Level and Aviation Color Code were lowered to Normal and Green, respectively, on 14 October.

    Source: US Geological Survey Alaska Volcano Observatory (AVO)

  • Tue, 20 Oct 2020 23:29:14 -0600: Suwanosejima (Japan) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    JMA reported nighttime incandescence and intermittent eruptive activity at Suwanosejima?s Ontake Crater during 9-16 October. Four explosions were recorded during 12-14 October; an explosion at 0100 on 13 October ejected bombs 400 m from the crater and an explosion at 0313 on 14 October produced an ash plume that rose 1.2 km above the crater rim. Ashfall was periodically reported in Toshima village, 4 km SSW. The Alert Level remained at 2 (on a 5-level scale).

    Source: Japan Meteorological Agency (JMA)

  • Tue, 20 Oct 2020 23:29:14 -0600: Sangay (Ecuador) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    IG reported a high level of activity at Sangay during 14-20 October. Seismicity was characterized by explosions, harmonic tremor, long-period earthquakes, and signals indicating emissions. Weather clouds often prevented visual observations of the volcano, but the Washington VAAC and IG webcams recorded daily ash plumes that rose 570-2,100 m above the summit and drifted NW and W. One small secondary lahar was reported on 16 October.

    Source: Instituto Geof�sico-Escuela Polit�cnica Nacional (IG)

  • Tue, 20 Oct 2020 23:29:14 -0600: Westdahl (United States) - Report for 14 October-20 October 2020 - Smithsonian / USGS Weekly Volcanic Activity Report

    AVO reported that the seismic network at Westdahl has been re-established, again allowing seismic unrest at the volcano to be monitored. The Volcano Alert Level and Aviation Color Code were changed from Unassigned to Normal and Green, respectively, on 15 October.

    Source: US Geological Survey Alaska Volcano Observatory (AVO)


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Updated: March 12, 2011 — 12:36 pm

The Author

Rich Fleetwood

Rich is the founder of SurvivalRing, now in it's 20th year, author of multimedia CDs and DVDs, loves the outdoors, his family, his geeky skill-set, and lives in rural Missouri, just a few miles from the Big Muddy. Always ready to help others, he shares what he learns on multiple blogs, social sites, and more. With a background in preparedness and survival skills, training with county, state, and national organizations, and skills in all areas of media and on air experience in live radio and television, Rich is always thinking about the "big picture", when it comes to helping individuals and families prepare for life's little surprises.

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