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 The Medvezhia (Moyorodake in Japanese) volcano complex (including Medvezhii, Srednii, Kudryavy or Men’shoi Brat volcano) is one of the Kurile's most active volcanoes. It is located on the NE end of Iturup Island, Kurile Islands. It is remarkable for its high temperature fumaroles.
Medvezhia volcano has 2 overlapping calderas, 14 x 18 and 10 x 12 km in diameter, which were formed more than 10,000 years ago, and a row of 4 stratovolcanoes close to each other along a E-W line on the eastern side of the complex (from E to W): Medvezhii volcano, the highest and located outside the western caldera, Srednii, Tukap, and Kudriavy volcanoes.
All historic activity has been from Kudryavy volcano (Moyoro-dake in Japanese), which is younger than 2000 years only. Besides Kudryanvy, only Tukap volcano has active fumaroles.
Another vent of recent, but not historically observed activity is the Menshoi Brat lava dome inside the caldera.
somma volcano 1125 m / 3,691 ft Kurile Islands, Russia, 45.39°N / 148.84°E Aktueller Status: normal / ruhend (1 von 5)| BerichteMedvezhia Vulkan-B cherAusbrüche des Medvezhia:1999, 1958, 1883, 1778 Typische Aktivität:explosive & effusive Letzte Erdbeben in der Nähe
Letzte Satellitenbilder  Medvezhia volcano news & updates:Wed, 2 Aug 2017, 12:05
The Institute of Volcanology and Geodynamics (Russian Academy of Natural Science) reported that during the morning of 31 July volcanologists working on Kudryavy, a stratovolcano of the Medvezhia volcanic complex, noted a sharp increase in the volume of vapor-and-gas emissions, with a plume rising more than 1 km. ...mehrThe emissions rose from a new crater, Malysh, that was formed after the 1999 phreatic eruption. A significant increase in temperature (an average of 100 degrees Celsius) was measured at fumarolic sites, and new high-temperature areas were noted. Crusts of native sulfur at the boundaries of high-temperature areas were melting and burning. Two people at the top of the volcano and workers at the main base camp (3.5 km S) self-evacuated. [ less] [ alles lesen] Thu, 26 Mar 2015, 17:39 Satellite images showed a weak thermal anomaly over Kudryavy, a stratovolcano of the Medvezhia volcanic complex, on 18 March.
Thu, 18 Dec 2014, 15:48 The alert level (Aviation Color Code) was again lowered to green, because activity at Kudriavy, a stratovolcano of the Medvezhia volcanic complex, had not increased since 1 December. Tue, 2 Dec 2014, 10:33
The Moyorodake-Kudryavy and Chirinkotan volcanoes were placed on yellow alert by SVERT on 27 Nov, as an increase in degassing was observed at both. Recent satellite image shows steam plumes drifting from the volcanoes. ...mehrAt the moment, 4 of the Kuriles volcanoes are on yellow alert. The other two are Chirpoi since September, Sinarka since 12 Nov. [ less] [ alles lesen] Thu, 17 Jan 2013, 18:11 A thermal anomaly was detected over Kudriavy, a stratovolcano of the Medvezhia volcanic complex, on 11 January. Strong steam-and-gas plumes were also observed.
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