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  2. 1883 eruption of Krakatoa - Wikipedia

    en.wikipedia.org/wiki/1883_eruption_of_Krakatoa

    The third explosion has been reported as the loudest sound in history. [6] [7] [8]: 602 [4]: 79 The loudness of the blast heard 160 km (100 mi) from the volcano has been calculated to have been 180 dB. [9] Each explosion was accompanied by tsunamis estimated to have been over 30 metres (98 feet) high in places.

  3. Chrysler Air-Raid Siren - Wikipedia

    en.wikipedia.org/wiki/Chrysler_Air-Raid_Siren

    The operator's job was to start the engine and bring it up to operating speed, then to pull and release the transmission handle to start the wailing signal generation. The Chrysler Air Raid Siren produced the loudest sound ever achieved by an air raid siren. [1]

  4. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    The Sea Train is the name given to a sound recorded on March 5, 1997, on the Equatorial Pacific Ocean autonomous hydrophone array. The sound rises to a quasi-steady frequency. According to the NOAA, the origin of the sound is most likely generated by a very large iceberg grounded in the Ross Sea, near Cape Adare. [10

  5. This is the loudest recorded sound in the history of Earth - AOL

    www.aol.com/news/loudest-recorded-sound-history...

    The post This is the loudest recorded sound in the history of Earth appeared first on BGR. To call sound an important part of human life would be an understatement. It’s so important, that MIT ...

  6. Long-range acoustic device - Wikipedia

    en.wikipedia.org/wiki/Long-range_acoustic_device

    A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control , which has caused permanent hearing damage , having an extremely high decibel capacity (up to 160 dB measured at one ...

  7. The Loudest Sound Ever Heard - Wikipedia

    en.wikipedia.org/wiki/The_Loudest_Sound_Ever_Heard

    When asked about the band's long independent status, Hindalong confirmed that this creative freedom allowed The Loudest Sound Ever Heard to be recorded with no commercial goal in mind, but simply because the Choir enjoyed creating music together. [15] [11] This would be the final Choir album to be completely financed by Michaels. [10]

  8. Jet noise - Wikipedia

    en.wikipedia.org/wiki/Jet_noise

    In aeroacoustics, jet noise is the field that focuses on the noise generation caused by high-velocity jets and the turbulent eddies generated by shearing flow. Such noise is known as broadband noise and extends well beyond the range of human hearing (100 kHz and higher).

  9. Settings A-Z - AOL Help

    help.aol.com/settings

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.