At the end of the Civil War, and despite the fact that it was recognized that no crimes of blood had been attributed to him, Alarcón was shot in Alicante along with Aquilino Barrachina  and other socialists of Pego on 11 April 1940.
Ao finalizar a guerra civil, e a pesar de que se recoñeceu que non tiña atribuídos delitos de sangue, Alarcón foi fusilado en Alacant xunto a Aquilino Barrachina e outros socialistas de Pego o 11 de abril de 1940.