Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Shikotsu
Tarumai volcano is a small stratovolcano constructed on the SE rim of the 13 x 15 km Shikotsu caldera. The summit of Tarumai contains a small 1.5-km-wide caldera that was formed during two of Hokkaido's largest historical eruptions, in 1667 and 1739. It is capped by a flat-topped summit lava dome that grew in 1909. Tarumai has been Hokkaido's most active volcano in historical time. Two other Holocene post-caldera volcanoes occur at Shikotsu, Fuppushi (adjacent to Tarumai) and Eniwa, on the opposite side of the caldera. Photo by Ichio Moriya (Kanazawa University).
Volcano Number:285040
Volcano Name:Shikotsu
Country:Japan
Volcano Type:Caldera
Last Eruption:1979
Elevation:1320m
Tectonic Setting:Subduction zone / Continental crust (> 25 km)
Pop. within 5km:130474
Pop. within 10km:130474
Pop. within 30km:316816
Pop. within 100km:3096376
Latitude:42.688
Longitude:141.38



Eruption Data from the Global Volcanism Program of the Smithsonian Institution
Volcano Number Volcano Name Eruption Number Activity Type Explosivity Index Max Explosivity Index Modifier Activity Area Activity Unit Start Evidence Method Start Date End Date
285040 Shikotsu 17604 Confirmed Eruption 1 Tarumai Historical Observations 1918/6/13 1918/7/31
285040 Shikotsu 17605 Confirmed Eruption 2 Tarumai Historical Observations 1919/5/4 1919/5/4
285040 Shikotsu 17606 Confirmed Eruption 1 Tarumai Historical Observations 1920/7/17 1920/7/23
285040 Shikotsu 17607 Confirmed Eruption 1 Tarumai Historical Observations 1921/7/6 1921/7/6
285040 Shikotsu 17608 Confirmed Eruption 1 Tarumai Historical Observations 1923 1923/8/23
285040 Shikotsu 17609 Confirmed Eruption 2 Tarumai Historical Observations 1926/10/19 1926/10/30
285040 Shikotsu 17610 Confirmed Eruption 2 Tarumai Historical Observations 1928/1/7 1928/1/7
285040 Shikotsu 17611 Confirmed Eruption 1 Tarumai Historical Observations 1928/9/6 1929/2/10
285040 Shikotsu 17612 Confirmed Eruption 1 Tarumai Historical Observations 1931/10/11 1931/10/24
285040 Shikotsu 17613 Confirmed Eruption 2 Tarumai (east-west summit fissure) Historical Observations 1933/12/1 1933/12/14
285040 Shikotsu 17614 Confirmed Eruption 1 Tarumai Historical Observations 1936/4/19 1936/4/19
285040 Shikotsu 17615 Confirmed Eruption 1 Tarumai Historical Observations 1936/11/15 1936/11/26
285040 Shikotsu 17616 Confirmed Eruption 1 Tarumai Historical Observations 1944/7/2 1944/7/2
285040 Shikotsu 18604 Confirmed Eruption 5 Tarumai Ta-d tephra Radiocarbon (uncorrected) -6950
285040 Shikotsu 18605 Confirmed Eruption 5 Tarumai Ta-c1, Ta-c2 tephras Radiocarbon (uncorrected) -550
285040 Shikotsu 18606 Confirmed Eruption 2 Eniwa volcano (east side of summit) Radiocarbon (corrected) -100
285040 Shikotsu 18607 Confirmed Eruption 3 Tarumai Ta-c3 tephra Tephrochronology -50
285040 Shikotsu 18608 Confirmed Eruption 2 Eniwa (crater 1) Radiocarbon (corrected) 1500
285040 Shikotsu 18609 Confirmed Eruption 2 Eniwa (crater 2) Radiocarbon (corrected) 1550
285040 Shikotsu 18610 Confirmed Eruption 5 Tarumai Ta-b tephra Historical Observations 1667/9/23 1667/9/26
285040 Shikotsu 18611 Confirmed Eruption 2 Eniwa (crater 3) Tephrochronology 1707
285040 Shikotsu 18612 Confirmed Eruption 5 Tarumai Ta-a tephra Historical Observations 1739/8/19 1739/8/31
285040 Shikotsu 18613 Confirmed Eruption 3 Tarumai Historical Observations 1804 1817
285040 Shikotsu 18614 Confirmed Eruption 2 Tarumai Historical Observations 1867/9/8
285040 Shikotsu 18615 Uncertain Eruption 2 Tarumai 1871/12/25 1871/12/28
285040 Shikotsu 18616 Confirmed Eruption 3 Tarumai Historical Observations 1874/2/8 1874/2/16
285040 Shikotsu 18617 Confirmed Eruption 2 Tarumai Historical Observations 1883/10/7 1883/11/5
285040 Shikotsu 18618 Confirmed Eruption 2 Tarumai Historical Observations 1885/1/4 1885/3/26
285040 Shikotsu 18619 Confirmed Eruption 2 Tarumai Historical Observations 1886/4/13 1886/4/28
285040 Shikotsu 18620 Confirmed Eruption 2 Tarumai Historical Observations 1887/9/3 1887/10/8
285040 Shikotsu 18621 Confirmed Eruption 2 Tarumai Historical Observations 1894/2/8 1894/2/8
285040 Shikotsu 18622 Confirmed Eruption 2 Tarumai Historical Observations 1894/8/17 1894/8/17
285040 Shikotsu 18623 Confirmed Eruption 3 Tarumai Historical Observations 1909/1/11 1909/4/22
285040 Shikotsu 18624 Confirmed Eruption 2 Tarumai (east-west summit fissure) Historical Observations 1917/4/30 1917/5/12
285040 Shikotsu 18625 Uncertain Eruption 1 ? Tarumai Historical Observations 1947/10/15 1947/10/15
285040 Shikotsu 18626 Confirmed Eruption 2 Tarumai Historical Observations 1951/1/29 1951/1/29
285040 Shikotsu 18627 Confirmed Eruption 2 Tarumai Historical Observations 1951/7/28 1951/7/28
285040 Shikotsu 18628 Confirmed Eruption 1 Tarumai Historical Observations 1953/9/14 1953/9/14
285040 Shikotsu 18629 Confirmed Eruption 1 Tarumai Historical Observations 1954/5/2 1954/5/2
285040 Shikotsu 18630 Confirmed Eruption 1 Tarumai Historical Observations 1954/11/19 1955/2/14
285040 Shikotsu 18631 Confirmed Eruption 1 Tarumai (SE foot of summit dome) Historical Observations 1978/5/14 1978/5/17
285040 Shikotsu 18632 Confirmed Eruption 1 Tarumai (SE foot of summit dome) Historical Observations 1978/12/12 1979/5/11
285040 Shikotsu 18633 Confirmed Eruption 1 Tarumai Historical Observations 1981/2/27 1981/2/27
Emissions Data from the Global Volcanism Program of the Smithsonian Institution No emissions data found for this volcano.


Data from the Earthchem Portal
Sorry. No data exist for this volcano in the EarthChem Portal.


Data from the SESAR Database


Data from the MaGa Database
Location: Tarumae (View Details at MaGa DB)
Description: Mt. Tarumae is an active volcano located on the shores of Lake Shikotsu in Western Hokkaido.Tarumae consists of a crater 1.5 km in diameter formed between 1667 and 1739, with an andesitic lava dome in its center, formed during the 1909 eruption. The dome is 450 m in diameter and 150m inheight, and persistently degasses through strong fumarolic activity in the summit area.
Hazard Description: not reported
Type: soil_diffuse_emission
Region: Hokkaido Prefecture, Japan
Country: Japan
Volcanic Complex: Tarumae
Gas Flux Data:
Measurement Name Detail Specie Flux Std. Dev. Unit of Measure
Tarumae_01012001 Detail CO2 6 0 Mg/d