日本发布特别警报，可能出现数十年一遇大规模灾害

Group 1 - The core viewpoint of the article highlights the imminent threat posed by Typhoon "Shalang," which is expected to approach Japan's Izu Islands, with warnings of potentially unprecedented large-scale disasters [2][6] - The Japan Meteorological Agency has issued special warnings for strong winds and massive waves, indicating that the region may experience severe damage not seen in decades [2][6] - The potential consequences include building collapses due to strong winds, widespread flooding from giant waves, landslides, and river flooding, prompting authorities to urge local residents to pay close attention to evacuation information and seek safe locations [6]