Ibusuki volcanic field - Quiz
Ibusuki volcanic field
  • 1. In which Japanese prefecture is the Ibusuki volcanic field located?
A) Oita
B) Kumamoto
C) Kagoshima
D) Fukuoka
  • 2. The Ibusuki volcanic field is located on which peninsula?
A) Nishi-Matsura Peninsula
B) Kunisaki Peninsula
C) Satsuma Peninsula
D) Osumi Peninsula
  • 3. Geologically, the Ibusuki volcanic field is usually regarded as part of which caldera?
A) Kirishima Caldera
B) Ata South Caldera
C) Kikai Caldera
D) Aira Caldera
  • 4. How much volcanic material is estimated to be contained in the Ibusuki volcanic field?
A) 12 km3
B) 54 km3
C) 100 km3
D) 32 km3
  • 5. When did Mount Kaimon last erupt?
A) 2090 BCE
B) 10000 BCE
C) 885 CE
D) 4800 years ago
  • 6. The present Ikeda Caldera was formed how many years ago?
A) 4800 years ago
B) 2800 years ago
C) 885 years ago
D) 6000 years ago
  • 7. Which of these is a stratovolcano within the Ibusuki volcanic field?
A) Tsujinodake
B) Washiodake
C) Kasagadake
D) Mount Kaimon
  • 8. Approximately how many hot springs are located within 5 km of the sea at the southeastern tip of the Satsuma Peninsula?
A) 100
B) 1200
C) 450
D) 800
  • 9. What is the generating capacity of the Yamagawa Binary Power Station?
A) 2500 kW
B) 1000 kW
C) 4990 kW
D) 10000 kW
  • 10. The volcanism in the Ibusuki field is associated with the subduction of which plate under the Eurasian Plate?
A) Philippine Sea Plate
B) Australian Plate
C) North American Plate
D) Pacific Plate
  • 11. Which fault scarp limits the north western sector of the Ibusuki volcanic zone?
A) Onkadobira fault scarp
B) Ata fault scarp
C) Satsuma fault scarp
D) Kagoshima fault scarp
  • 12. How many years ago was the Nabeshimadake lava dome formed?
A) 4800 years ago
B) 2,800 years ago
C) 6000 years ago
D) 885 years ago
  • 13. Which major earthquake caused seismic activation of local faults in the Ibusuki area?
A) 1995 Kobe earthquake
B) 1923 Great Kanto earthquake
C) 2016 Kumamoto earthquake
D) 2011 Tōhoku earthquake
  • 14. What kind of volcanic structure is Mizunashi?
A) Lava dome
B) Maar
C) Stratovolcano
D) Cinder cone
  • 15. What is the status of the Ibusuki volcanic field regarding eruptive intervals?
A) Currently experiencing high eruption frequency
B) Has been dormant for over 1 million years
C) Longest period between eruptions for the last 4000 years
D) Erupts exactly every 1000 years
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