IVS FEB RAS Geoportal. Volcanoes of Kurile-Kamchatka Island Arc. Stokap. Volcano description

Volcano Stokap. Facts


Name:	Stokap
GVP Number:	290060
Synonims:	Nishi-Hitokappu
Region:	Kuril Islands
Volcanic Zone:	Southern Kuriles
Coordinates:	44°50'22" N 147°20'40" E
Absolute Elevation:	1634 m
Status:	Active
Aviation Color Code:	GREEN
Location:	Stokap volcano is located in the middle of Iturup Island, southwest of Kosatka Bay
Type:	Stratovolcano
Composition:	andesites, andesite-basalts
Last known eruption:	Undated, but probable Holocene eruption

Description

Stokap volcano is a large stratovolcano, on top of which there are up to 8 - 10 domes, cones and craters, some of which are largely destroyed by explosions and erosion. Numerous lava flows poured from these centers, occupying the entire width of the Island from the Pacific Ocean to the Sea of Okhotsk over 16 km and an area of 135 square kilometers. The lavas of the Stokap volcano are composed of andesites and andesite basalts.

References

Горшков Г.С. Вулканизм Курильской островной дуги / Отв. ред. Рудич К.Н. М.: Наука. 1967. 288 с.

Potencial Hazard

Ash clouds, ash falls, hot avalanches and lahars are a potential hazard associated with explosive eruptions of this volcano. The volcano poses a potential hazard to international and local airlines passing in the Kuriles region, since the height of its ash emissions can reach 10 km above sea level, ash plumes and clouds can drift hundreds of kilometers from the volcano in different directions. In addition, the outflow of lava flows onto the slopes of the volcano and the surrounding area is possibly.

Related Resources

Active Volcanoes of Kamchatka and Kuriles