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Kusatsu-Shiranesan: eruption history
Elevation2,165 m
TypeStratovolcano
Confirmed eruptions28#14 of 105 in country
Latest eruption2018-01-23
Largest VEI4
Location36.62, 138.53
Eruptions per century (since 1500)
0
0
0
3
17
1
By VEI
13
9
3
1
Eruptions (latest first, up to 60)
| Start | VEI | End | Area |
|---|---|---|---|
| 2018-01-23 | 1 | 2018 | Motoshiranesan |
| 1983-07-26 | 1 | 1983 | Yu-gama, Kara-gama |
| 1982-10-26 | 1 | 1982 | Kara-gama, Yu-gama |
| 1976-03-02 | 1 | 1976 | NE corner of Mizu-gama Crater |
| 1958-12-31 | 1 | – | Yu-gama |
| 1942-02-02 | 1 | – | Fissure east and south of Yu-gama |
| 1941-01-19 | 1 | 1941 | |
| 1940-04-07 | 1 | 1940 | |
| 1939-02-16 | 1 | 1939 | Yu-gama |
| 1938-07-17 | 1 | 1938 | Yu-gama |
| 1937-11-27 | 1 | 1938 | Yu-gama |
| 1934-07-02 | 2 | – | |
| 1932-10-01 | 3 | 1932 | NE part of Yu-gama, SE outer rim |
| 1927-12-29 | 2 | 1927 | N Yu-gama & S outer rim (in 1927, not 1928) |
| 1925-01-22 | 2 | 1925 | Northern part of Yu-gama |
| 1905-10-16 | 2 | 1905 | Yu-gama |
| 1902-07-15 | 1 | 1902 | North side of Yumi-ike |
| 1900-10-01 | 1 | 1900 | NE part of Yu-gama |
| 1897-07-08 | 2 | 1897 | NE part of Yu-gama |
| 1882-08-06 | 2 | 1882 | Yu-gama, NE end of Kara-gama |
| 1805-07-02 | 2 | – | Yu-gama |
| 1470 | – | – | |
| 50 | 2 | – | Yu-gama |
| 550 BCE | 3 | – | Yu-gama |
| 1120 BCE | 4 | – | Moto-Shirane |
| 3750 BCE | 2 | – | Shirane |
| 6270 BCE | – | – | |
| 6550 BCE | 3 | – | Shirane |
Nearby volcanoes
| Volcano | Distance | Eruptions |
|---|---|---|
| Shiga | 8 km | 0 |
| Asamayama | 24 km | 129 |
| Harunasan | 33 km | 3 |
| Myokosan | 48 km | 10 |
| Niigata-Yakeyama | 55 km | 20 |
| Akagisan | 60 km | 0 |
| Yokodake | 62 km | 2 |
| Hiuchigatake | 77 km | 2 |
Eruption records from the Smithsonian Global Volcanism Program; older eruptions may be missing. VEI = Volcanic Explosivity Index (0–8). For current alerts, check the official agency.