USGS / CV-GEO TRANSECT

Fogo Island Topographic Road Corridors & Hazard Analyzer

Ilha do Fogo, Cabo Verde (14°56′N 24°23′W)
Active Corridor:
>14%
TOPOGRAPHIC MAP — ILHA DO FOGO (STRATOVOLCANO) Pico do Fogo: 2,829 m
São Filipe (0-110m) Mosteiros Cova Figueira Ponta Verde Chã das Caldeiras (1,740m) ▲ Pico do Fogo 2,829m 0.0 km
VOLCANIC GEOGRAPHY
Stratocone (2,829m)
Bordeira Caldera Rim (~1km cliff)
Chã Depression (1,700m)
Active Transit Corridor
Coordinate Grid: WGS84 Universal Transverse Mercator 26N
Total Corridor Length 34.2 km Winding mountain alignment
Net Elevation Drop -1,680 m Caldera to Coastal Shelf
Max Road Grade 19.4% Exceeds standard 8% transit max
Severe Switchbacks 28 curves Radius < 25m blind hairpins
TRANSECT SCRUBBER TELEMETRY KM 12.4 / 34.2
Elevation
1,240 m
Instant Gradient
-16.2%
Turn Radius
18 m (Sharp)
TERRAIN CLASSIFICATION & RISK PROFILE
Escarpment Descent: Extreme Brake Fade & Loss of Control Hazard

Road cuts down steep volcanic basalt flank with unreinforced gravel-shoulder runoffs and precipitous slope drops exceeding 45 degrees.

TOPOGRAPHIC INFERENCE: Fogo's single active volcanic cone rises abruptly out of the Atlantic to nearly 3,000 meters across just 2
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