The city of Yokosuka plans to increase its stockpile of disaster relief supplies to a three-day supply per evacuee by fiscal year 2026. It will also newly establish a temporary helicopter landing zone to serve as a hub for receiving and distributing supplies. These measures aim to bolster disaster preparedness by addressing the vulnerabilities of the peninsula, which is surrounded by sea on three sides and has fragile lifeline infrastructure.
According to the city’s Crisis Management Division, the city’s preparations are based on a scenario involving a magnitude 7.0 earthquake from the Miura Peninsula fault group…
Yokosuka
Yokosuka is a major port city in Kanagawa Prefecture, Japan, historically significant as the location of the first modern naval arsenal and base established with French assistance in the late 19th century. Today, it remains a key strategic hub, hosting the U.S. Fleet Activities Yokosuka and Japan Maritime Self-Defense Force facilities. The city is also known for its blend of Japanese and American cultural influences, evident in its cuisine and the popular Yokosuka Mikasa Park, which features the preserved battleship *Mikasa* from the Russo-Japanese War.
Miura Peninsula
The Miura Peninsula is a scenic coastal region in Kanagawa Prefecture, Japan, extending south into the Pacific Ocean. Historically, it was a strategic area controlled by the Miura clan, a powerful samurai family, during the late Heian and Kamakura periods (12th–13th centuries). Today, it is known for its fishing ports, beaches, and historic sites like the ruins of Miura clan castles.
