Astonupuri is a stratovolcano with two historic eruptions in 1812 and 1932. Both eruptions were small (VEI = 1 and 2, respectively).
The southern Kurile Islands consist of Kunashir, Iturup, Urup, Chirppi, and Broutona islands.
The volcanoes that make the islands are:
1. Golovnin | 6. Bogatyr Ridge | 11. Demon |
2. Mendeleev | 6.1 Unnamed | 11.1. Ivao Group |
2.1.Smirnov | 7. Grozny Group | 11.2 Rudakov |
3. Tiatia | 8. Baransky | 11.3. Tri Sestry |
4. Berutarube | 9. Chirip | 12. Kolokol Group |
4.1. Lvinaya Past | 9.1. Golets-Tornyi Group | 13. Unnamed |
5. Astonupuri | 10. Medvezhia |