Mystery Atlas
Theory

Icequake Explanation

NOAA's 2005 conclusion that the Bloop's acoustic profile matches recordings of large Antarctic icequakes, ice-fracturing events in which massive ice sheets crack under their own stress, a sound source confirmed by comparison against a growing library of independently recorded icequake signatures.

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Related Mysteries

  • The Bloop

    Icequake Explanation attempts to explain The Bloop — NOAA's settled 2005 identification, reached by comparing the Bloop's acoustic profile against a growing library of independently recorded Antarctic icequake signatures.

Theories & Explanations

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What Was the Bloop?

What the Bloop was: the 1997 ultra-low-frequency ocean sound once linked to a giant sea creature, and NOAA's 2005 icequake identification.