Underwater Rock Blasting


Etermar has performed various underwater rock blasting operations.

It has its own specialised modern drilling equipment, which was adapted and developed to work on its vessels, with hydraulic systems for wave compensation, as well as specialised seismic wave and shock wave measuring equipment.

Technical staff includes qualified personnel licenced to handle explosive substances with extensive experience in this field.

Porto de Vitória

Port of Vitória - Espírito Santo, Brazil | Rock Blasting

In underwater rock blasting, ETERMAR is a pioneer in using non-electric detonation technology, electronic detonators using dynamite and emulsion explosives, and using shock wave dispersion barriers to protect marine life and surrounding infrastructures.

Porto de Vitória

Port of Vitória - Espírito Santo, Brazil | Rock Blasting