Blast rocks Caspian Sea near coast of Azerbaijani capital

AT SEA, AZERBAIJAN - JULY 04: (----EDITORIAL USE ONLY â MANDATORY CREDIT - "MINISTRY OF EMERGENCY SITUATIONS OF AZERBAIJAN / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) A strong explosion occurred in the Caspian Sea near the coast of Azerbaijan's capital city of Baku, Azerbaijan on July 04, 2021. It was reported that the eruption that occurred in the Caspian Sea at night was caused by a mud volcano. (Photo by Ministry of Emergency Situations/Anadolu Agency via Getty Images)