The culprit could be among thousands of ships that passed through the area in the past year, authorities said.
The cargo ship Rotterdam Express, was anchored closest to where the pipeline ruptured and appeared to have made unusual movements leading up to the break.
Amplify Energy, which runs the pipeline, did not report the leak until a ship first noticed a potential spill.
Huntington Beach officials said an offshore oil production operation leaked some 126,000 gallons of oil into the ocean.
Video showed the Coast Guard hoisting the man from the vessel into a helicopter to be taken to the hospital in critical condition.
The bundle of cocaine was turned in by a "Good Samaritan," police said.
Ship-tracking software showed Taiwan Coast Guard vessels sailing into the Pacific on Tuesday and Wednesday, but no U.S. Coast Guard ships were detected nearby.
"This is the largest illicit drug offload in Coast Guard history. It's historic," USCG Vice Admiral Steven Poulin said.
"We have oil recovery operations happening on the water and oil recovery happening on the beach," a Coast Guard spokesman said.
The cutter was working on a 72-day-patrol in the Caribbean Sea in order to perform counter-drug and migration operations.
It is Reza Baluchi's third attempt in seven years. This time around, he was reportedly foiled by a combination of rough weather and missing equipment.
The incoming storm, which is expected to pass the island chain later this week, brought an end to 157 consecutive days of China Coast Guard patrols.
The Chinese government vessels sailed into the territorial sea around the disputed East China Sea islets on Wednesday morning.
The Coast Guard called the journey from Florida back to Cuba "dangerous and unforgiving" in warning Cuban-Americans against making the trip back.
The agency's warning came as social media posts circulated about boaters preparing to sail to Cuba in a bid to deliver supplies.
Japan has reported unprecedented levels of Chinese coast guard activity in June near the disputed Senkaku Islands in the East China Sea.
On Friday, the Coast Guard returned to the water to continue the search for a man who went overboard.
"This situation had the potential to become much worse, in a hurry," Public Affairs Specialist 1st Class Nate Littlejohn of the 17th Coast Guard District told Newsweek.
"The decision to suspend a search is always difficult and is made after careful consideration of all the facts," the Coast Guard stated.
"I mean come on, man. Is the sun getting to you?" President Joe Biden asked a graduating class of Coast Guard cadets after they failed to laugh at his joke on Wednesday.
Kelsey Jackson took the giant float out to the ocean at Fort Morgan Beach, in Alabama, when disaster struck.
The Coast Guard and San Diego lifeguards confirmed that the panga was a smuggling boat.
The Monday incident was the third encounter in the last month where Iranian fast-attack boats sped toward American ships.
Iran denounced the U.S. Navy on Tuesday, saying it employed "provocative and aimless shooting," after a Coast Guard cutter fired warning shots at Revolutionary Guard vessels.
The National Weather Service issued a Special Marine Warning Thursday for the coastal waters from Louisiana's Port Fourchon to the lower region of the Atchafalaya River.
Wind and waves caused the commercial ship to flip over in the Gulf of Mexico on Tuesday. The U.S. Coast Guard has been searching for 12 missing people south of Port Fourchon, Louisiana.
Representatives of the two governments are scheduled to sign a document on Friday signaling their intent to cooperate further on maritime security in the face of China's growing gray-zone activities.
The U.S. Coast Guard is searching for 16 people who have gone missing off the coast of Florida after traveling in two separate boats from the Bahamas and Cuba.
The two men and a woman, who are Cuban nationals, are said to have survived on the Bahamian island by eating rats and coconuts.
The attack victim was rescued by a specialist U.S. Coast Guard helicopter crew and flown to the capital city of Juneau, where emergency medical services were waiting.