Birth of an island in Japan: How an undersea volcanic eruption led to a fascinating event

Posted on:
Key Points

Many of these islands have been formed due to volcanic activities in the region.. Recently, in October 2023, an undersea volcano eruption led to the creation of a new island near Japan's Ogaswara island chain..

Reportedly, this is one of those rare events that gives a glimpse into how nature works and how such islands are created due to Earth's geology and seismic activity...

The new island, which has not been named yet, is about 100 meters in diameter and was created due to phreatomagmatic eruptions, which happen when magma comes into contact with seawater and creates explosive bursts of ash and steam...

Reportedly, the eruptions that led to the creation of this island started on October 21, 2023, about 1 kilometer off the coast of Iwoto island, which was formerly called Iwo Jima and became famous during World War II, as it witnessed one of the blodiest battles...

Fukashi Maeno, an associate professor at Tokyo Universitys earthquake research institute, said he had confirmed that phreatomagmatic eruptionsa type of explosive eruption that results from magma interacting with waterhad occurred about a kilometer off Iwoto, forming a landmass of about 100 meters in diameter, reported the Guardian...