[WorldUrbanLegend] 52-hertz whale


 The 52-Hertz whale, also known as the 52 Blue whale, is a whale of an unknown species that is known for emitting a unique sound at the frequency of 52 hertz. This frequency is much higher than the frequencies of the whale species most similar to it, such as the blue whale (10–39Hz) and the fin whale (20Hz). The sound of this whale has been consistently detected in various locations since the late 1980s, and it is currently known as the only individual emitting a sound at this frequency. However, it has never been directly observed, and its sound can only be detected using underwater acoustic sensors. This whale is often referred to as "the loneliest whale in the world," and since 2010, occasional records have been found of a second whale emitting sounds at the same frequency.

Musically, the frequency of 52 Hertz corresponds to G#1, the 12th lowest key on a standard piano, or the position of the 4th finger on the lowest string (E1) of a double bass.

The sound of the 52 Hertz whale has acoustic characteristics of a whale's calls, but its frequency is unique. Its sound pattern is unlike that of blue whales or fin whales, as it emits higher frequency, shorter, and more frequent sounds. The call has various intervals, durations, and sequences, but its frequency and distinct pattern make it easily identifiable. Since 1992, the whale's sound has slightly lowered to closer to 50 Hertz, which may indicate growth or maturity.

The movement of the 52 Hertz whale does not seem related to the presence or movement of other whale species. It follows a migration route similar to that of the blue whale but aligns more closely with that of the fin whale in terms of timing. This whale is detected in the Pacific Ocean between August and December, and is rarely detected outside of this range between January and February. It travels from the northern Aleutian Islands and Kodiak Island to the southern coast of California, covering 30 to 70 kilometers per day. The total distance traveled in a season can range from a minimum of 708 km to a maximum of 11,062 km.



Scientists at the Woods Hole Oceanographic Institution have been unable to identify the species of this whale and have suggested the possibility of it being a mutation or a hybrid of the blue whale and another species. Some hearing-impaired individuals have even reached out to the research team, wondering if the whale itself may be hearing-impaired.

The whale's unique high-frequency sound does not appear to negatively impact its survival. It seems to be healthy and maturing well. However, its call is detected only once per season, which has led to its nickname as "the loneliest whale in the world." In 2010, a second whale emitting sounds at 52 Hertz was detected off the coast of California.

The 52 Hertz whale was first detected by the Woods Hole Oceanographic Institution team in 1989, and was again detected in 1990 and 1991. After the end of the Cold War in 1992, the U.S. Navy declassified some of the recording data and technical specifications of the SOSUS sonar system, making them available for oceanic research. As of 2014, this whale continues to be detected annually.

This whale has appeared in various films and TV programs or inspired them. The Taiwanese film 52Hz, I Love You used the whale as a metaphor for loneliness. In 2021, the documentary film The Loneliest Whale: The Search for 52 was released, covering the journey of scientists searching for the whale.

The 52 Hertz whale has also inspired music. BTS's song Whalien 52 connects the whale to the feelings of alienation in adolescence. The British folk duo Catherine Roberts and Shaun Leyman released the song 52 Hertz about the whale.

In 2020, Japanese novelist Machida Sonoko released the novel 52-Hertz Whales, using the whale as a metaphor for the random meetings of lonely people. This novel was adapted into a film in 2024.

The 52 Hertz whale is an emblem of loneliness and perseverance, moving and inspiring many through various artistic works.

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