NPR | Days After Oil Tanker Sinks, Large Slicks Observed In East China Sea NPR Days after an Iranian tanker sank off the coast of China, succumbing to a deadly collision and several explosions, satellites are taking note of what the tanker left behind: several large oil slicks, stretching for miles in the East China Sea. The ... Iranian tanker wreck leaves behind two oil slicks in East China Sea Sunk Iranian Oil Tanker Leave Behind Two Slicks China detects position of sunken oil tanker Sanchi |