Choco, August 2026: delivering shelter where the crane cannot reach

The quake that struck where access was already hard

On 10 August 2026, a magnitude 7.4 earthquake with its epicentre in Choco killed 335 people and caused damage across one of Colombia's most remote regions. The event was more than 100 km deep, spreading the shaking across a wide area that includes municipalities reachable only by poor road or by river.

In that setting the bottleneck is neither will nor money. It is the last mile. A rainforest camp is built from whatever comes down a narrow track, and every cubic metre in the convoy competes with water, food and medicine.

Why transported volume decides the camp

A rigid 14 m² cabin travels assembled: it occupies its full volume and cannot be stacked efficiently. A foldable module travels flat. At 400 mm folded height, the same lorry capacity carries several times the number of units, which means fewer trips down the same track.

There is a second effect, less obvious and more important on broken ground: the module opens on site with hand tools. No crane, no concrete platform, no welding. In a municipality where the bridge is down and generators are scarce, that difference decides whether a housing block is delivered in a week or in a month.

Humid climate: the quiet enemy

Choco is among the wettest regions on the continent. There, insulation is not a marketing luxury: it is what stops the interior waking up in condensation and mould appearing in week three. A 50 mm or 75 mm panel with a rock wool or PU core on a galvanised frame keeps the inner surface above dew point with cross ventilation.

• Lift the unit 15–20 cm off the ground on supports, never directly on soil.
• Leave a gravel strip around the perimeter so run-off does not wash the base.
• Face windows to the prevailing wind and provide an overhang on the rain side.
• Check fixings and seals at six months; in rainforest that is the one routine that prevents leaks.

The seismic dimension of the shelter itself

Aftershocks follow a main shock, and a camp has to survive them. A light steel frame with sandwich panels has an advantage here: little mass to convert into lateral force, and bolted connections that tolerate movement without brittle collapse.

Our X-series unit is rated by the factory to Grade 9 seismic resistance on the Chinese intensity scale and to 200 km/h wind resistance. It is a useful reference, but read it precisely: that is intensity, not moment magnitude, and real behaviour also depends on foundation and anchoring.

Reference specification

Production capacity up to 300 units per day, lead time 10–20 working days.

One detail usually forgotten: taking it down

Camps are not permanent. When families move into permanent housing, hundreds of units remain. A module designed to fold more than 100 times can be recovered, stored and redeployed at the next emergency; a cabin nailed to the ground becomes rubble. In a seismically active region, that reuse is not an environmental argument — it is preparedness budget.

Colombia already knows the next earthquake will not announce itself. The useful question is not whether there will be another, but how many folded units can be held ready and how fast they reach the last mile.