Natural Sounds That Can Feel Like UFOs

Introduction

Reports of strange humming, chest pressure, ground vibration or a feeling that “something huge” is nearby often appear alongside UFO sightings. In some cases, witnesses assume the unusual sensation came from an unidentified craft. Yet nature produces powerful low-frequency sound waves on a routine basis. Storm systems, ocean waves, volcanic eruptions, earthquakes and meteors can all generate infrasound: acoustic energy below the normal range of human hearing. Under the right atmospheric conditions, these signals can travel hundreds or even thousands of kilometres, making their source difficult to identify. [noaa]psl.noaa.govrain, snow, storms, ocean surface. NOAA/K (…Read more… Physical Sciences Laboratory [CNRS News]news.cnrs.frinfrasound sound waves that nothing can stopCNRS NewsInfrasound, sound waves that nothing can stop18 Oct 2024 — Infrasound waves, very low-frequency acoustic waves below 20 hertz (H…

This does not mean that every UFO report can be explained by natural acoustics. However, natural infrasound provides a documented mechanism for some of the bodily sensations, distant rumbling and environmental unease that witnesses occasionally associate with unusual aerial events. The important point is that people may experience a real physical effect while completely misunderstanding where it originated.

Weather and Ocean Sources of Low-Frequency Sound

Among the most widespread natural sources of infrasound are storms and the oceans. Unlike ordinary thunder or crashing surf, these processes can create infrasonic waves that remain largely inaudible while travelling across enormous distances.

One of the best-studied examples is the microbarom, sometimes called the “voice of the sea”. Microbaroms are generated when ocean waves interact with one another during marine storms. The resulting pressure oscillations produce infrasonic signals typically around 0.1 to 0.5 hertz. Because atmospheric absorption is extremely low at these frequencies, the signals can propagate across continents and oceans. [AIP Publishing]pubs.aip.orgThe radiation of atmospheric microbaroms by oceanAIP PublishingThe radiation of atmospheric microbaroms by ocean wavesby R Waxler · 2006 · Cited by 119 — A large part of the atmospheric…

For someone experiencing such conditions on land, the source may be completely invisible. A witness might notice:

• A distant pulsating vibration.
• Pressure in the ears without an obvious sound.
• A low rumbling sensation that seems to come from the sky.
• Intermittent vibrations that appear detached from local weather.

Researchers monitoring global infrasound routinely detect microbaroms generated by ocean storms thousands of kilometres away. These signals are so persistent that they form part of the Earth’s background infrasonic environment. [Wiley Online Library]agupubs.onlinelibrary.wiley.comWiley Online LibraryGlobal Microbarom Patterns: A First Confirmation of the…by M De Carlo · 2021 · Cited by 27 — Microbaroms are atmos… [OUP Academic]academic.oup.comMicrobaroms propagate through the…Read more…

Severe weather can also create low-frequency atmospheric disturbances. Thunderstorms, tornado-producing systems and large-scale air-mass collisions generate infrasonic energy that may arrive long before visible weather reaches a location. Studies of tornadoes have found characteristic infrasonic signatures associated with storm development, raising the possibility that animals and, in some circumstances, people may respond to low-frequency cues before recognising the weather threat itself.

This matters for UFO reports because witnesses often describe a sequence in which they first feel unease, vibration or atmospheric pressure and only later notice unusual lights or objects. In some cases, the physical sensation may have a meteorological rather than extraterrestrial origin.

Earthquakes, Volcanoes and Meteor Entries

Natural disasters and atmospheric impacts can generate some of the strongest infrasound on Earth.

Earthquakes and volcanic eruptions

Earthquakes do not merely shake the ground. They can also couple energy into the atmosphere, producing infrasonic waves that travel away from the source. Researchers use these signals to study seismic events and their atmospheric effects. [PMC]pmc.ncbi.nlm.nih.govPMCInfrasonic Earthquake Detectability Investigated in Southern…by I Hamama · 2021 · Cited by 17 — In this study we will focus on all…

Volcanoes are even more dramatic infrasonic generators. Explosive eruptions rapidly expand gases and eject material into the atmosphere, creating powerful acoustic waves. The most energetic frequencies often fall within the infrasonic band between roughly 0.5 and 20 hertz. Modern volcano-monitoring systems routinely use infrasound arrays to detect eruptions and track explosive activity. [usgs.gov]usgs.govinfrasound volcano monitoringInfrasound for volcano monitoring | U.S. Geological Survey4 Oct 2024 — Introduction. Volcanic eruptions produce acoustic waves when volca… [usgs.gov]usgs.govRole of Infrasound in the USGS Eruption ResponseInfrasound is an important tools for volcanologists, allowing them to detect eruptions, l…

Historically, communities living far from an eruption have sometimes reported unexplained booming, distant vibrations or strange atmospheric disturbances before learning that a volcanic event had occurred elsewhere. Because infrasound can travel far beyond the visible plume, people may have no obvious visual clue connecting the sensation to the actual source.

Meteors and bolides

Meteor entries provide another important comparison with UFO reports because they combine unusual visual phenomena with powerful acoustic effects.

When a meteoroid enters Earth’s atmosphere at high speed, it creates shock waves that generate infrasound. Large fireballs and bolides can produce signatures detectable across huge regions. Scientists use infrasonic monitoring networks to identify and analyse atmospheric entries, including both natural meteors and returning spacecraft. [ResearchGate]researchgate.netResearch Gate Meteor Generated Infrasound: Theory and ObservationResearchGateMeteor Generated Infrasound: Theory and ObservationJanuary 1, 2010 — The meteoroid entry into the Earth's atmosphere generate…Published: January 1, 2010

For witnesses, the experience can be confusing. A bright object crosses the sky. Minutes later, distant booms, vibrations or pressure waves arrive. The delay occurs because light reaches observers almost instantly, while sound travels much more slowly.

In UFO history, some reports involving luminous aerial objects followed by delayed rumbling, shaking or mysterious booms have later been linked to meteor events. Even when the object itself remains unidentified by the witness, the combination of visual spectacle and unusual low-frequency effects can create a powerful impression that something extraordinary passed overhead.

How Distant Natural Sources Can Mislead Witnesses

The most important feature of infrasound is not simply that it exists. It is that it behaves differently from ordinary sound.

Low-frequency waves have extremely long wavelengths and interact with the atmosphere in unusual ways. Winds and temperature layers can refract, channel or duct these waves over great distances. Scientists studying infrasound propagation emphasise that atmospheric conditions strongly affect where signals are detected and how they are perceived. [usgs.gov]usgs.govThe spatio-temporal variability of these parameters…Read more… [arXiv]arxiv.orgarXivA Review of Infrasound and Seismic Observations of Sample Return Capsules since the End of the Apollo Era in Anticipation of the OSI…

As a result, people may encounter three misleading situations:

The source is far away.

A witness feels vibration or pressure but assumes the source must be nearby. In reality, the signal may have originated hundreds of kilometres away from an ocean storm, eruption or meteor.

The source direction is unclear.

Unlike ordinary sounds, infrasonic waves can be difficult to localise. People often struggle to identify where they are coming from, encouraging speculation about hidden or airborne causes.

The sensation arrives without an obvious sound.

Some individuals perceive low-frequency energy more as bodily vibration or environmental presence than as a recognisable noise. This can create the impression of an unseen object or force operating nearby.

These characteristics help explain why natural infrasound sometimes appears in discussions of UFO-related sensations. Witnesses may accurately report a genuine physical experience while incorrectly attributing it to the unusual light, aircraft or aerial object they happened to notice at the same time.

Why Natural Explanations Remain Relevant to UFO Reports

Natural infrasound does not solve the UFO question. Many reports contain details that cannot be reduced to low-frequency acoustics alone, and in most cases there is no direct measurement proving that infrasound was present during a particular sighting.

What natural sources do provide is a documented pathway from ordinary geophysical events to extraordinary subjective experiences. Ocean storms can generate a constant planetary background of infrasonic energy. Severe weather can produce low-frequency atmospheric disturbances. Volcanoes, earthquakes and meteors can create powerful pressure waves detectable across vast areas. [ResearchGate]researchgate.netResearch Gate Meteor Generated Infrasound: Theory and ObservationResearchGateMeteor Generated Infrasound: Theory and ObservationJanuary 1, 2010 — The meteoroid entry into the Earth's atmosphere generate…Published: January 1, 2010 [OUP Academic]academic.oup.comMicrobaroms propagate through the…Read more… [Wikipedia]WikipediaOpen source on wikipedia.org.

When witnesses report strange humming, vibration, pressure or an inexplicable feeling that something immense is nearby, those sensations do not automatically point toward an unknown craft. Sometimes the explanation may lie in a storm beyond the horizon, an ocean system hundreds of kilometres away, a distant eruption, or a meteor that crossed the atmosphere long before anyone realised what they had seen.

Amazon book picks

Further Reading

Books and field guides related to Natural Sounds That Can Feel Like UFOs. Use these as the next step if you want deeper reading beyond the article.

Book

Springer Handbook of Acoustics

By Thomas Rossing

Covers sound propagation and low-frequency acoustic effects.

See on Amazon

Book

Rocks from Space

By O. Richard Norton

Relevant to meteor-generated booms and atmospheric entries.

See on Amazon

Book

Meteorology Today

By C. Donald Ahrens, Robert Henson

Explains storms, atmospheric waves and weather-generated sound phenomena.

See on Amazon

Book

National Audubon Society Field Guide to North American Weather

By David McWilliams Ludlum

Helps readers identify atmospheric events mistaken for unusual phenomena.

See on Amazon

Browse more on Amazon: Springer of Acoustics books Rocks from Space Meteorology Today

As an Amazon Associate I earn from qualifying purchases.

Endnotes

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Additional References

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