Geography and Archipelago

Provinces, Islands and Topography

45 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 45 questions

  1. What is the highest mountain peak in Indonesia, rising to 4,884 meters above sea level with equatorial glaciers in Papua?
  2. Which biogeographical boundary line, mapped in 1859, runs between Bali and Lombok, separating Asian ecozone fauna from Australasian species?
  3. What is the largest volcanic lake in the world, formed by a massive supervolcanic eruption roughly 74,000 years ago in North Sumatra?
  4. Through how many standard time zones does the Indonesian archipelago span from west to east?
  5. Which major strait separates the islands of Sumatra and Java, connecting the Java Sea to the Indian Ocean?
  6. In which province is the new planned capital city of Indonesia, Ibu Kota Nusantara (IKN), situated?
  7. What is the highest active volcano on the island of Java, situated in the Bromo Tengger Semeru National Park?
  8. Which Indonesian island group located in eastern Indonesia was historically known worldwide as the 'Spice Islands' due to nutmeg and cloves?
  9. Which Indonesian strait between Borneo and Sulawesi is a critical deep-water international shipping route for ultra-large maritime vessels?
  10. How did the historic Djuanda Declaration of 13 December 1957 fundamentally transform Indonesia's sovereign maritime territorial boundaries?
  11. Which massive caldera volcano in West Nusa Tenggara produced the most powerful volcanic eruption in recorded human history in April 1815?
  12. What is the highest peak on the island of Sumatra, rising to 3,805 meters within a national park known for Sumatran tigers?
  13. How many administrative provinces does the Republic of Indonesia officially comprise following the 2022 regional expansions in Papua?
  14. Which Indonesian island is shared politically among three sovereign nations: Indonesia, Malaysia, and Brunei?
  15. What unique geographical shape characterizes the island of Sulawesi, with four long mountainous peninsulas separated by deep gulfs?
  16. Which deep sea trench located south of Java and Sumatra marks the subduction zone where the Indo-Australian Plate plunges beneath the Sunda Plate?
  17. Which archipelago province situated between Sumatra and Kalimantan is Indonesia's leading producer of tin and includes Belitung island?
  18. What is the longest river in Indonesia, flowing over 1,140 kilometers through West Kalimantan on the island of Borneo?
  19. Which active volcano in Karangasem is the highest peak in Bali at 3,031 meters and holds supreme spiritual significance as the site of the mother temple Pura Besakih?
  20. What is the highest mountain peak in Central Java, standing at 3,428 meters as an isolated stratovolcano?
  21. What is the highest mountain peak in the province of West Java, reaching an elevation of 3,078 meters above sea level?
  22. What is the name of the highest mountain in South Sulawesi, rising to 3,478 meters in the Latimojong mountain range?
  23. Which mountain summit, standing at 2,278 meters in the Schwaner Mountain Range on the border of West and Central Kalimantan, is the highest peak in Indonesian Borneo?
  24. What is the highest mountain peak in the Maluku archipelago, rising to 3,027 meters within Manusela National Park on Seram Island?
  25. Which active volcano in East Java erupted explosively in February 2014, coating the cities of Yogyakarta, Solo, and Kediri in dense ash fall?
  26. Which stratovolcano in the Karo Highlands of North Sumatra resumed violent eruptive activity in August 2010 after remaining dormant for over 400 years?
  27. Which famous volcano in West Java near Bandung is named after its distinct profile resembling an overturned boat according to the Sangkuriang legend?
  28. Which volcanic complex in East Java is globally famous for its intensely acidic turquoise crater lake and nocturnal electric-blue sulfur fires?
  29. Which volcanic caldera in northeastern Bali features a large crescent-shaped crater lake and was designated a UNESCO Global Geopark in 2012?
  30. Which twin active stratovolcanoes overlook the town of Tomohon in North Sulawesi, frequently releasing volcanic ash columns over Minahasa?
  31. Which active island volcano situated in the Sangihe Islands of North Sulawesi has historically caused devastating lahars and tsunami hazards?
  32. Which conical island stratovolcano dominates the historic northern Maluku island of Ternate, rising directly from the sea to an elevation of 1,715 meters?
  33. Which mountain range runs the entire length of the western spine of Sumatra for approximately 1,700 km, housing dozens of active volcanoes?
  34. Which major right-lateral strike-slip geological fault traverses the entire length of Sumatra, creating significant earthquake risks parallel to the subduction trench?
  35. Which active strike-slip fault in Central Sulawesi was responsible for the devastating earthquake, liquefaction, and submarine tsunami that struck Palu Bay in September 2018?
  36. Which active geological fault line extends roughly 29 km east-west across the northern margin of the Bandung basin in West Java?
  37. Which active river-valley fault line south of Yogyakarta ruptured during the devastating magnitude 6.3 earthquake on 27 May 2006?
  38. Which prominent tectonic fault zone extends from the Bird's Head Peninsula of Papua westward across the Molucca Sea, marking major strike-slip plate boundaries?
  39. Which ultra-deep tectonic freshwater lake in South Sulawesi reaches a maximum depth of 590 meters, making it the deepest lake in Indonesia?
  40. What is the largest tectonic freshwater lake by surface area on the island of Sulawesi, covering approximately 560 square kilometers?
  41. Which large oligotrophic tectonic lake in Central Sulawesi covers roughly 323 square kilometers and is celebrated for its annual migration of endemic yellow eels (sidat)?
  42. Which sprawling tropical lake in Papua, situated at the foot of the Cyclops Mountains near Jayapura, is renowned for traditional bark cloth paintings and stilt villages?
  43. Which scenic caldera lake in West Sumatra is surrounded by steep volcanic walls and reached via the famous Kelok 44 winding road?
  44. Which immense river in Papua, discharging into the Pacific Ocean near Cape D'Urville, is nicknamed the 'Amazon of Indonesia' due to its vast volume and dense rainforest basin?
  45. Which major river, flowing past Banjarmasin, is associated with the Muara Kuin floating market?

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