Tragic collapse

When Indonesia's Anak Krakatau volcano erupted on 22 December, 2018, the southwest part of the volcano collapsed into the ocean, causing a massive tsunami. Move the slider to compare satellite images taken in May 2018 and March 2019.

Aerial photograph of the Anak Krakatau volcano in Indonesia before the erruption.
Taken in May 2018.
Aerial photograph of the Anak Krakatau volcano in Indonesia after the erruption.
Taken in March 2019.

Credit: Orbital Horizon/Copernicus Sentinel Data 2019/Gallo Images via Getty