Klyuchevskoy, Kamchatka : A strong gas-steam activity of the volcano continues.

Klyuchevskoy, Kamchatka : A strong gas-steam activity of the volcano continues.

A moderate activity of the volcano continues. Ongoing activity could affect low-flying aircraft.

A strong gas-steam activity of the volcano continues. Satellite data by KVERT showed a weak thermal anomaly over the volcano on 05 and 08 March; the volcano was quiet or obscured by clouds in the other days of week.

Klyuchevskoy (also spelled Kliuchevskoi) is Kamchatka’s highest and most active volcano. Since its origin about 6000 years ago, the beautifully symmetrical, 4835-m-high basaltic stratovolcano has produced frequent moderate-volume explosive and effusive eruptions without major periods of inactivity. It rises above a saddle NE of sharp-peaked Kamen volcano and lies SE of the broad Ushkovsky massif. More than 100 flank eruptions have occurred during the past roughly 3000 years, with most lateral craters and cones occurring along radial fissures between the unconfined NE-to-SE flanks of the conical volcano between 500 m and 3600 m elevation. The morphology of the 700-m-wide summit crater has been frequently modified by historical eruptions, which have been recorded since the late-17th century. Historical eruptions have originated primarily from the summit crater, but have also included numerous major explosive and effusive eruptions from flank craters.

March 15, 2016. Klyuchevskoy, Kamchatka :

56.06 N, 160.64 E;
Elevation 15580 ft (4750 m)
Aviation Color Code is YELLOW

Sources : Kvert , Gvp.

Photo : Yu. Demyanchuk. IVS FEB RAS, KVERT

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