8 Russian volcanoes at Orange & Yellow elevated alerts
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Video and web-cam here
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Issued: 20121212/2326Z
Volcano: Plosky Tolbachik (CAVW #1000-24-)

Aviation Color Code: ORANGE
Volcano Location: 55.83 N, 160.39 E
Area: Kamchatka, Russia
Summit Elevation : 10118.8 ft (3085 m)
Height of ash plume : 9840 ft (3 km) a.s.l.
Time and method of ash plume height determination: 20121212/2320Z – Video data
Distance of ash plume of the volcano: 31 mi (50 km)
Direction of ash plume or ash cloud drift from the volcano: Nord-East
Time and method of ash plume observation: 20121212/2320Z – Video data
Eruption is continuing
Remarcs: Gas-steam plume, probably containing ash, raises up to 3 km a.s.l. and extending to the north-east of the vents at Tolbachinsky Dol. Ongoing activity could affect low-flying aircraft.
PLOSKY TOLBACHIK VOLCANO (CAVW #1000-24-)
55.83 N, 160.39 E; Elevation 10119 ft (3085 m)
Aviation Color Code is ORANGE
Strong seismicity of the volcano was registered. A magnitude of volcanic tremor was 6 mcm/s. Explosive-effusive eruption continues: lava flows continues to effusing from the Southern fissure on Tolbachinsky Dol. A gas-steam plume containing small amount of ash rose up to 3 km a.s.l. and extending to the north-east of the volcano. A gigantic thermal anomaly is noting at satellite images in the northern area of Tolbachinsky Dol.