News: Anak Krakatau recently erupted in Indonesia, leading to cancellation of flights at Jakarta’s Soekarno-Hatta International Airport.

Key Features

• Location: Sunda Strait, between Java and Sumatra, Indonesia.
• Type: Stratovolcano (composite volcano).
• Ring of Fire: Part of the Pacific Ring of Fire.
• Meaning: “Anak Krakatau” means Child of Krakatau.
• Emergence: Rose from the sea in 1927.
• 2018 Eruption: Southwestern flank collapsed, triggering a tsunami.

Stratovolcano

• Formed by alternating layers of lava, ash and volcanic materials.
• Usually found near subduction zones.
• Has steep slopes due to viscous/sticky lava.
• More likely to produce explosive eruptions because gases get trapped in viscous magma.