What is The Hum? Scientists provide an update

For decades, people around the world have reported hearing The Hum. What is it? A new study helps narrow down possible answers. The post What is The Hum? Scientists provide an update first appeared on EarthSky. The science-journalism coverage adds useful context, while the strongest evidential footing still comes from the underlying data, papers or institutional documentation.

It is relevant because Earth science becomes stronger when local observations can be placed inside a broader physical pattern that spans time and geography. The planet operates as a coupled system in which atmospheric, oceanic, cryospheric and solid-Earth processes interact across timescales from days to millions of years. A measurement that captures one variable at one location and one moment has limited interpretive value until it is embedded in the longer series and wider spatial coverage that allow natural variability to be separated from forced change. The Hum might originate from human-made sources or nature. And now researchers at the University of Munich in Germany and the Norwegian University of Science and Technology in Norway have provided a scientific update on the mystery.

And science writer Idun Haugan has written about the phenomenon and the new study in the June 2, 2026, Norwegian SciTech News. Idun Haugan on Tuesday, June 2, 2026, Longtail News (@longtail-news. bsky. social) 2026-06-03T11: 03: 10.

As noted in Haugan’s article, the first known cases were in Bristol, England, in the 1970s. Two percent of the population could hear it, with frequencies between 32 and 80 Hertz.

The Hum World Map and Database Project In 2012, Glen MacPherson in Canada started the The World Hum Map and Database Project. He became so interested in the sound phenomenon that he started the interactive The World Hum Map and Database Project in 2012, which collects data from places and people where.

The broader interest lies in linking the observation to climatic, geophysical or environmental dynamics that extend well beyond the immediate event or location. Earth science is unusual in that its most important questions operate on timescales that no single research career can observe directly, making the archival record, whether in ice, sediment, rock or satellite data, as important as any new measurement. Results that can be embedded in that record, and that either confirm or challenge the patterns it reveals, carry disproportionate scientific weight.

Research fellows and a postdoc have conducted a study of 28 people in Germany who experience hearing an unexplained buzzing or humming. Bristol is where the earliest reports of The Hum came from in the 1970s.

Because this item comes through EarthSky as science journalism, it should be treated as contextual reporting rather than primary evidence. Good science reporting can identify why a result matters, connect it to the wider literature and make technical work readable, but the decisive evidence remains in the original paper, dataset, mission release or technical record. That distinction is especially important when a story is later repeated by aggregators, because repetition increases visibility, not evidential strength.

The next step is to place the result inside longer time series and to compare it with independent instruments and independent sites. Earth system observations gain most of their interpretive power from network density and temporal depth, not from any single measurement however precise. Model simulations that assimilate the new data will help clarify whether the observation fits comfortably within known natural variability or represents a shift that existing models do not reproduce.

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