Get the headline facts of the official 2025 Nankai Trough estimate (probability, worst-case casualties/loss, intensity-7 reach, tsunami) with sources. Start here to understand the scale; then call official_hazard_maps for a specific address.

Geocode a Japanese address and return links to the OFFICIAL government hazard maps that hold the exact per-address values (predicted intensity, tsunami inundation, your municipal map). This server does not compute those itself; it bridges you to the authoritative source.

Classify a building's seismic standard (旧耐震 / 新耐震 / 2000 wooden standard) from a build year and structure the USER provides, with risk context. This is NOT a safety verdict; direct the user to a professional 耐震診断 via taishin_subsidy_guide.

Route the user to subsidised/often-free seismic diagnosis (耐震診断) and retrofit (耐震補強) programs via the national directory, and explain the support framework. Amounts vary by municipality, so this routes and explains; it never quotes a figure.

Explain what a JMA seismic intensity level (5弱–7) actually means for people and buildings, using the official 気象庁 scale. The Nankai scenario projects up to intensity 7 across 10 prefectures.

Convert a Japanese address to coordinates (lat/lon) and parse the prefecture/municipality, via the official GSI geocoder. Utility used by official_hazard_maps; call it directly when you only need coordinates.