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| Ghost Ships from WWII |
Helicopter footage from Japan's All Nippon
News (ANN) captured the 24 ships washed ashore on the western side of the
island of Iwo Jima, which is roughly 760 miles (1,200 kilometers) south of
Tokyo, after they were pushed up, along with the seabed, by the underwater
volcano Fukutoku-Okanoba.
U.S. forces sank the ships during the
Battle of Iwo Jima in 1945. One of the bloodiest battles in World War
II, the 36-day assault saw roughly 70,000 U.S. Marines fight around 20,000
Japanese soldiers hiding out in bunkers within the island's volcanic rocks. By
the end of the battle, 20,000 marines had been wounded and nearly 7,000 killed.
Almost all Japanese soldiers, save for 216 captured alive, were killed
in action.
The smashed, sea-bleached wrecks are the
remnants of transport vessels that were captured by the U.S. Navy and
deliberately scuttled in the aftermath of the battle. As Iwo Jima had no port,
the ships were sunk parallel to the shoreline to form a breakwater — shielding
both weapons and troops from oncoming waves as they were unloaded onto the
island, according to the US National Archives.
Fukutoku-Okanoba has been erupting underwater since August. Besides pushing the ships, and the seabed they are resting upon, into view, the seismic activity produced by the volcano has led to the emergence of a minor, crescent moon-shaped island from the sea. Formed from pumice and volcanic ash, the island is expected to vanish soon due to erosion, according to Setsuya Nakada, the director of the Japanese government's Center for Integrated Volcano Research.
Iwo Jima
is part of the Bonin Islands, a chain of roughly 30 subtropical islands in the
Pacific Ocean. Created by the subduction of the Pacific tectonic plate below
the Philippine Sea Plate, the island chain is prone to earthquakes and
volcanic eruptions, and it has been experiencing an uptick in seismic events in
recent weeks, according to Japan’s Meteorological Agency. For instance, on Oct.
7, a magnitude-5.9 tremor shook buildings across Tokyo and eastern Japan. And
another volcanic island in the chain, Nishinoshima, has been spewing gas and
lava since 2013.
Iwo Jima's
Mount Suribachi is the dormant vent of a still-active volcano and is
considered by some to be among the 10 most dangerous volcanoes in the world,
according to a list made by one astrophysicist. In fact, there's every
indication that the current spate of seismic activity could be building toward
an eruption.
"The
discolored sea area has spread to surrounding areas, which indicates that the
volcanic activity has not diminished yet," Nakada told the All Nippon News
channel. "There is a possibility of a big eruption on Iwo Jima."
Barring another eruption of Mount Suribachi or the sinking of the seabed that the ghost ships are resting upon, the once-sunken monoliths will likely remain on the island for some time to come. Iwo Jima is uninhabited and rarely visited by civilians — partly as a result of the enormous quantities of unexploded bombs and grenades left behind on the island — meaning that it is unlikely that the ships will be cut up for scrap or removed by Japanese authorities.
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