A technical study detailed the magnitude of an ancient massive landslide that transformed the physiognomy of the northern area and poses new challenges for urban planning with the displacement of Cerro Hermitte.
Recent geological research in the province of Chubut has revealed significant data about the historical instability of the terrain in the Golfo San Jorge basin.
According to technical reports, the displacement of Cerro Hermitte reached a distance of 1,500 meters from its original position to the east, a phenomenon classified as a “paleolandslide” of massive proportions that has marked the current morphology of Comodoro Rivadavia.
This earth movement was not a minor event, but a translation of large magnitude rock blocks that slid towards the coast.
Experts point out that this type of geological processes explain the stepped configuration of the relief in the northern sector of the city and highlight the complexity of the subsoil on which various neighborhoods and critical infrastructures are settled.
Dynamics of an ancient phenomenon: displacement of Cerro Hermitte
The phenomenon of the displacement of Cerro Hermitte is part of a context of long-term geomorphological processes.
Studies indicate that the displaced block separated from the main relief due to faults in the sedimentary strata, which, under specific moisture and pressure conditions, acted as sliding planes.
This 1.5-kilometer displacement is one of the most significant records in the region and allows specialists to better understand the risks of mass removal that still persist in the area.
The importance of this finding transcends the academic realm. The precise identification of these geological “traces” is fundamental for territorial planning.
By understanding that much of the hill structure is not fixed rock in situ, but material that has migrated, authorities and developers can make more precise decisions about where and how to build, avoiding areas of potential instability.
Impact on safety and urban planning
The confirmation of this massive displacement highlights the vulnerability of the slopes in Comodoro Rivadavia, a city historically affected by soil movements and cracks in its main roads.
The analysis of the displacement of Cerro Hermitte serves as a critical reminder of the dynamic nature of the Patagonian coastal terrain.
Currently, geologists continue to monitor the area to determine if there are residual movements or if extreme climatic conditions, such as intense rainfall, could reactivate ancient fault planes in these displaced blocks.
The safety of road and residential infrastructure largely depends on this accurate reading of the region’s geological past.



