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Calderas

Shikotsu

Shikotsu (Japan) is a caldera. It rises to 1,320 m above sea level. The GVP records 41 confirmed eruptions in the Holocene, the latest in 1981.

Elevation
1,320 m
Last eruption
1981
Confirmed eruptions
41
Max VEI
5
Country
Japan
Location
42.69° N, 141.38° E
Region (GVP)
Northeast Japan Volcanic Arc
GVP type
Caldera
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Main rock type
Andesite / Basaltic Andesite

Show on the timeline GVP entry ↗

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.

StartEndVEIVent and dating
27 February 1981 27 February 1981 1 Tarumai · Observations: Reported
12 December 1978 11 May 1979 1 Tarumai (SE foot of summit dome) · Observations: Reported
14 May 1978 17 May 1978 1 Tarumai (SE foot of summit dome) · Observations: Reported
19 November 1954 14 February 1955 1 Tarumai · Observations: Reported
2 May 1954 2 May 1954 1 Tarumai · Observations: Reported
14 September 1953 14 September 1953 1 Tarumai · Observations: Reported
28 July 1951 28 July 1951 2 Tarumai · Observations: Reported
29 January 1951 29 January 1951 2 Tarumai · Observations: Reported
2 July 1944 2 July 1944 1 Tarumai · Observations: Reported
15 November 1936 26 November 1936 1 Tarumai · Observations: Reported
19 April 1936 19 April 1936 1 Tarumai · Observations: Reported
1 December 1933 14 December 1933 2 Tarumai (east-west summit fissure) · Observations: Reported
11 October 1931 24 October 1931 1 Tarumai · Observations: Reported
6 September 1928 10 February 1929 1 Tarumai · Observations: Reported
7 January 1928 7 January 1928 2 Tarumai · Observations: Reported
19 October 1926 30 October 1926 2 Tarumai · Observations: Reported
16 February 1923 23 August 1923 1 Tarumai · Observations: Reported
6 July 1921 6 July 1921 1 Tarumai · Observations: Reported
17 July 1920 23 July 1920 1 Tarumai · Observations: Reported
4 May 1919 4 May 1919 2 Tarumai · Observations: Reported
13 June 1918 31 July 1918 1 Tarumai · Observations: Reported
30 April 1917 12 May 1917 2 Tarumai (east-west summit fissure) · Observations: Reported
11 January 1909 22 April 1909 3 Tarumai · Observations: Reported
17 August 1894 17 August 1894 2 Tarumai · Observations: Reported
8 February 1894 8 February 1894 2 Tarumai · Observations: Reported
3 September 1887 8 October 1887 2 Tarumai · Observations: Reported
13 April 1886 28 April 1886 2 Tarumai · Observations: Reported
4 January 1885 26 March 1885 2 Tarumai · Observations: Reported
7 October 1883 5 November 1883 2 Tarumai · Observations: Reported
8 February 1874 16 February 1874 3 Tarumai · Observations: Reported
8 September 1867 — 2 Tarumai · Observations: Reported
2 July 1804 2 July 1817 3 Tarumai · Observations: Reported
19 August 1739 31 August 1739 5 Tarumai · Observations: Reported
1707 ± 30 years — 2 Eniwa (crater 3) · Correlation: Tephrochronology
23 September 1667 26 September 1667 5 Tarumai · Observations: Reported
1550 ± 75 years — 2 Eniwa (crater 2) · Isotopic: 14C (calibrated)
1500 ± 150 years — 2 Eniwa (crater 1) · Isotopic: 14C (calibrated)
c. 50 BCE — 3 Tarumai · Correlation: Tephrochronology
100 BCE ± 100 years — 2 Eniwa volcano (east side of summit) · Isotopic: 14C (calibrated)
c. 550 BCE — 5 Tarumai · Isotopic: 14C (uncalibrated)
c. 6,950 BCE — 5 Tarumai · Isotopic: 14C (uncalibrated)

Data: Global Volcanism Program, Smithsonian Institution (#285040)