Johnson City compared with all land on Earth

The area around Johnson City scores 50 of 100 today: lower combined natural hazard than 50% of the land on Earth.

Ten pillars (0–100)

SSP5-8.5 2085 stress test

Under the SSP5-8.5 stress test for 2085, the combined score is 42 of 100.

This cell's combined hazard score is 49.5; its strongest pillar is air quality at 80.9 and its weakest is wind at 20.3. Flood. Flood pillar 28.3, safer than 12% of land cells and level with 32%; modelled hundred-year river flood depth 0.95 m. Source: WRI Aqueduct Floods (vintage: WRI Aqueduct Floods v2 (historical baseline, 100-year RP)); ERA5 (vintage: ERA5 reanalysis 1991-2020). Wind. Wind pillar 20.3, safer than 20% of land cells; tropical storm passes nearby 1.8 storms/decade. Source: IBTrACS (vintage: v04r01); NOAA Storm Prediction Center (vintage: 1950-2024). Earthquake. Earthquake pillar 59.1, safer than 18% of land cells and level with 82%; large earthquakes nearby since the start of the century before last 0 events/century. Source: USGS ComCat (vintage: ComCat M≥6.5 1900–2025, M≥5 1973–2025); USGS Slab2 (vintage: Slab2, March 2018). Wildfire. Wildfire pillar 53.3, safer than 53% of land cells; satellite fire detections 0.0049 detections/km²/yr. Source: NASA FIRMS (vintage: MODIS C6.1 2001-2024, vegetation fires, confidence >= 30); NASA FIRMS VIIRS (vintage: VIIRS NOAA-20 2020-2024, vegetation fires, nominal or high confidence); ERA5 Fire Weather Index (vintage: 1991-2020). Air quality. Air quality pillar 80.9, safer than 81% of land cells; fine-particle air pollution 6.3 µg/m³. Source: Washington University SatPM2.5 (vintage: 2020-2024 annual mean). Coverage: Every pillar has data for this cell. This is a statistical summary of public hazard data, a research estimate, not advice about any property or decision.

Terra scores ~10 km hexagonal cells from public global datasets — it is area analysis, not a property assessment. Tornado history covers the United States only; flood hazard is modeled at ~1 km and ignores local defenses; hurricane records before 1966 and wildfire records before 2001 are incomplete. Where data is missing or coarse for your area, Terra says so instead of guessing.

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