Mystery AtlasWestern Pacific Biotwang
A strange, metallic, multi-part underwater call first recorded near the Mariana Islands in October 2014 by autonomous hydrophone gliders; identified in a 2024 study as a vocalisation produced by Bryde's whales.
This is a knowledge-graph entry: what our data records about Western Pacific Biotwang and how it connects to the rest of the atlas. It does not have a full article of its own yet.
Connected to
How this topic links to the people, places, and ideas around it — drawn from our knowledge graph.
Related Mysteries
Western Pacific Biotwang is frequently compared to The Bloop — Both are unsettling deep-ocean sounds that circulated as unsolved mysteries before being formally identified — the Bloop as an icequake, the Biotwang as a Bryde's whale call.
Places
Western Pacific Biotwang occurred in Mariana Trench.
Organisations & Programmes
Western Pacific Biotwang was investigated by National Oceanic and Atmospheric Administration (NOAA) — NOAA-operated autonomous hydrophone gliders first recorded the call in 2014; the 2024 identification study combined this acoustic data with visual survey data.