Timeline

Heritage classified

Key figures

Origin and history

The Morne des Cadets Observatory was built in 1935 in Fonds-Saint-Denis, Martinique, to replace a first volcanological observatory created in 1903 after the devastating eruption of Pelee Mountain in 1902. This first observatory, with limited means, was used until 1925. The construction of the current building was decided after the eruption of 1929-1932, marking a modernization of the local scientific infrastructure.

The building, of a scientific architectural style typical of the 20th century, consists of a rectangular body with floors and a tower, as well as a second semi-entered circular building housing the monumental seismograph Quervin-Picard of 20 tons. The latter, still in place and functional, is a rare testimony of the seismological instrumentation of the era. The ensemble, registered with historical monuments in 2012, illustrates the evolution of volcanic monitoring techniques.

The observatory housed until 2019 the volcanological and seismic observatory of Martinique, the date on which the activities were transferred to a new neighbouring building. Since then, the old site, labeled "the 20th century heritage", has been abandoned, although protected for its historical and scientific value. Its architecture, combining functionality and robustness, reflects the challenges of monitoring natural risks in the West Indies.

The concrete construction of the observatory, shared with the Church of the Preacher, marks an important step in the architectural history of Martinique. This innovative material symbolized both modernity and resistance to local climatic and seismic conditions. The site remains a symbol of the resilience of Martinique to natural disasters.

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