Unification Theory of Lithosphere-Atmosphere-Ionosphere Coupling via Acoustic-Gravity Waves (LAIC-AGW) and Quantitative Pre- and Post-Seismic Anomaly Verification Using Ultra-Dense IoT Weather Sensor Networks

<jats:p>The objective of this study is to establish and validate the Unified Theory of Lithosphere-Atmosphere-Ionosphere Coupling via Acoustic-Gravity Waves (LAIC-AGW v3.2). By directly coupling real-time time-series big data (28,879 records of barometric pressure P, temperature T, and relative humidity RH) obtained from an ultra-dense crowdsourced IoT weather station array (Netatmo) across Japan with earthquake focal mechanism moment tensors M_ij, we quantitatively capture pre-seismic thermal and micro-barometric anomalies as well as post-seismic atmospheric wave propagations. Netatmo observational parameters fulfill distinct physical roles: (1) Barometric Pressure (P) measures micro-barometric residual anomalies \Delta P (AGWs) generated when crustal movements drive the atmospheric boundary layer; (2) Temperature (T) and Relative Humidity (RH) detect thermodynamic anomalies from latent heat transport linked to radon ionization prior to earthquakes; (3) By applying cubic spline interpolation to resample raw Netatmo observations (P, T, RH) collected at ~20-minute intervals onto a uniform 1-minute time grid and feeding them into Bolton's (1980) thermodynamic state equations, we derive the equivalent potential temperature \theta_e at 1-minute intervals. To eliminate synoptic-scale weather noise (such as Baiu fronts and typhoons), we formulate the Two-Stage Spatial Residual (\delta \theta_e = \theta_e - \bar{\theta}_{nation}) and Local Peak Anomaly Ratio (LPAR). Strict blind prediction evaluation executed at 1 hour before rupture (T_0 - 1 hour) across four major events (2016 Fukushima M7.4, 2018 Osaka M6.1, 2018 Hokkaido M6.7, and 2026 Kumamoto M7.1) combined with a Typhoon 18 control scenario demonstrated 100.0% Precision, 100.0% Recall, and 0.0% False Positive Rate across three Popperian falsifiability gates. Furthermore, we articulate the scientific trajectory of why and how we arrived at this unified framework, establish a 15-patent-claim framework, and propose two practical technological solutions: (1) Smart City &amp; Infrastructure Early Mitigation Networks (automated train pre-deceleration and factory suspension) and (2) Global LAIC Digital Twin Platforms, shifting earthquake disaster management from reactive alerts to proactive, pre-seismic risk mitigation providing 2 to 6 hours of practical lead time.</jats:p>