Science, Discovery, Tech and Environment · 28 March 2026

Honshu Island, Japan’s largest island, hit by magnitude 6.2 earthquake off its east coast.

Exam-focused facts from the 28 March 2026 current affairs briefing.

Key facts

  • Honshu is Japan’s largest island with an area of 227,898 sq km and ranks as the world’s seventh-largest island.
  • The island lies between the Pacific Ocean (east) and the Sea of Japan (west).
  • Honshu hosts over 104 million people, more than 80% of Japan’s total population, making it the second-most populous island globally after Java.
  • Major Japanese cities on Honshu include Tokyo, Osaka, Hiroshima, Nagoya, Kyoto, and Yokohama.
  • Mount Fuji, Japan’s highest mountain and an active stratovolcano, and Lake Biwa, its largest lake, are located on Honshu.
  • The Central Trough, a central mountainous spine, dominates the island and contains most of Japan’s highest peaks.