He was then sent on commission to the south of Peru in order to provide assistance to the population as a result of the terrible earthquake that occurred on August 13, 1868.

That same year he was sent to Saint Thomas to take charge of the Marañón transport, which towed the monitor Manco Cápac bound for Callao from New Orleans.

[1] In May 1875, he accidentally occupied the command of Chalaco carrying out the drilling of the coast from Callao to Loa to install the submarine cable and by July, he returned to the Unión.

[3] After maintenance work on his ship, which lasted three months, he accompanied the monitor Huáscar and Miguel Grau on raids along the Chilean coast.

On December 8, 1879, Portal left the command of the Unión and went on to serve in the batteries of Callao, until August 1880, when he became captain of the port of Pisco.

After the Chilean occupation, he was left without employment After the war ended and the process of National Reconstruction [es] began as he was appointed general agent and sub-administrator of the Lake Titicaca steamships in 1888.