The biggest volcanic explosion this century.

The article discusses the largest volcanic eruption of this century, which occurred in the Kingdom of Tonga. The eruption of the submerged Hunga volcano resulted in tsunamis that affected the Indian and Pacific oceans, destroyed parts of the seabed, and severed communication cables. The eruption was unexpected, as underwater volcanoes are not well-monitored. The article emphasizes the need for better mapping and monitoring of underwater volcanoes to reduce future risks. [Extracted from the article]