Chachadake [Tiatia]

Chachadake [Tiatia] (Japan) is a stratovolcano. It rises to 1,772 m above sea level. The GVP records 4 confirmed eruptions in the Holocene, the latest in 1981.

Elevation: 1,772 m
Last eruption: 1981
Confirmed eruptions: 4
Max VEI: 4
Country: Japan
Location: 44.35° N, 146.25° E
Region (GVP): Kuril Volcanic Arc
GVP type: Stratovolcano
Tectonic setting: Subduction zone / Intermediate crust (15-25 km)
Main rock type: Basalt / Picro-Basalt

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Other volcanoes and strong earthquakes within 300 km

Eruption history

VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.

Start	End	VEI	Vent and dating
10 June 1981	25 June 1981	2	Observations: Reported
20 July 1978	—	2	Observations: Reported
14 July 1973	28 July 1973	4	NNW and SSE flanks · Observations: Reported
16 August 1812	—	2	Observations: Reported

Data: Global Volcanism Program, Smithsonian Institution (#290030)