Insufficient Context: Which Ocean Was Affected?

The provided source text does not mention any event or phenomenon affecting a specific ocean. Without additional context—such as a pollution incident, climate anomaly, geological event, or human activity—it is impossible to identify which ocean is being referenced.

What Would Help

• Name of the event (e.g., "Deepwater Horizon spill," "2011 Tōhoku tsunami," "El Niño 2023")
• Geographic location or coordinates
• Time period
• Source document or article

Major Oceans for Reference

• Pacific Ocean
• Atlantic Ocean
• Indian Ocean
• Southern (Antarctic) Ocean
• Arctic Ocean

Please provide the missing context for a precise answer.