Berkman ultimately published 29 issues of '' The Blast . '' The sensational July 1916 Preparedness Day Bombing of the San Francisco Preparedness Day Parade — a terrorist attack which killed 8 and wounded more than 40 others — took place while Berkman was already publishing '' The Blast '' in that same city . The editorial location of the semi-monthly anarchist magazine combined with its inflammatory name proved irresistible to local authorities , who raided the paper 's offices on July 29 , 1916 without a search warrant . No evidence was located on the premises and there were no arrests made
Preparedness Day Bombing
Preparedness Day Bombing
The Blast (magazine)