Grozny Volcano - John Seach


(Etorofu Yake-Yama)

Iturup Island, Kurile Islands, Russia

45.026 N, 147.922 E
summit elevation 1211 m

Grozny Volcano is located in central Iturup Island, Kurile Islands. It consists of two volcanoes - Ivan Grozny and Tebenkov.

The volcano contains a lava dome called Etorofu-Yake-yama.

2013 Eruption
Ash emissions 6000 ft altitude extending east were reported on 30th March 2013.

2012 Eruption
An eruption occurred at Grozny volcano on 16th August 2012. An ash plume reached an altitude of 1.2 km and ashfall was reported at Kurilsk, 25 km from the volcano.

2009 Earthquake
A magnitude 5.1 earthquake hit 12 km SE of the volcano on 26th July 2009.

1989 Eruption
On 3-4 May 1989 explosions of gas and black ash occurred at the volcano. On 8th May an explosion sent ash to a height of 1600 m above the summit in 8 minutes. Residents of Goryachie Kluchi village were alerted to the danger of further eruptions. On 19th June an explosion sent ash to a height of 2 km. Field observations on 16th September showed sulphur-encrusted fissures on the dome. Two mud flows (4-6 m wide) which extended 1.5-2 km down the dome's N side had destroyed areas of thick vegetation (bushes and bamboo).

1973 Eruption
There was one weak explosion at Grozny volcano at the beginning of 1973.

Grozny Volcano Eruptions

2013, 2012, 1989, 1973, 1973, 1970, 1968