Acoustic

Detail from Tableau synoptic des traits physionomiques
Detail from Tableau synoptic des traits physionomiques by Alphonse Bertillon, 1909.
Sierra Sounds
Sierra National Forest, California,
A local of Merced, California heard a story from a friend about some creatures making "horrific, intimidating sounds" somewhere in the Sierra National Park, and convinced the friend to show him the location. He visited the site where this took place on multiple occasions, often with a local journa…
Am Fear Liath Mòr
Ben Macdui, Scotland,
Also known as the 'Big Grey Man', Am Fear Liath Mòr is an experience hikers have reported on Ben Macdui, a remote mountain in the Cairngorms of Scotland. Mountaineers have for decades , often when hiking alone, reported something which sounded as though "someone was walking after [them] but taking …
Explosion over New Hampshire
Nashua, New Hampshire,
Residents of New Hampshire reported a loud boom in the sky which rattled houses, while calls were also made to police in Massachusetts by people reporting that the ground was shaking . There were over 880 reports on a citizen science report website of people reporting mild shaking . The day after t…