Can Earthquakes Sound Like UFOs Overhead?

Introduction

People sometimes report a deafening boom overhead, look into the sky expecting an aircraft or meteor, and instead find nothing at all. These incidents have often become folded into UFO folklore because the sound appears to come from above and may be accompanied by little or no obvious ground movement. However, geology provides an important alternative explanation. Small, very shallow earthquakes can produce audible booming sounds, and a long-standing family of mysterious regional noises known as Seneca Guns has, in at least some cases, been linked to natural Earth processes rather than anything in the sky.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

This does not mean every unexplained boom has a single cause. Scientists emphasise that “Seneca Guns” is a descriptive label rather than the name of one proven phenomenon. Some reports are now attributed to shallow earthquakes, others to atmospheric events such as sonic booms, and some remain unexplained because there was insufficient evidence to identify a source. For anyone investigating alleged UFO noises, Earth-generated booms are therefore an important possibility to consider before assuming an aerial origin.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

What earthquake booms sound like

Although earthquakes are usually associated with shaking, witnesses have long reported hearing them as well. Descriptions commonly include:

The reason is that very shallow earthquakes can generate high-frequency vibrations that reach the surface efficiently enough to become audible. If the earthquake occurs only a few kilometres—or even less than two kilometres—below ground, nearby observers may hear a boom even when the shaking is weak or barely noticeable. Deeper earthquakes generally lose these higher-frequency vibrations before they reach the surface, making audible sounds much less common.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

Because humans are poor at locating the direction of low-frequency sounds, these booms often seem to come from the sky rather than beneath the ground. That perceptual effect helps explain why witnesses sometimes search overhead for aircraft or unidentified objects despite the source being geological.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

The mystery of Seneca Guns

The term Seneca Guns refers to unexplained booming sounds reported for centuries around Seneca Lake in New York’s Finger Lakes region. Similar reports have also been documented along parts of the Atlantic coast, particularly in North Carolina, South Carolina and Virginia, although the name’s historical origin remains uncertain.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

Historical descriptions are remarkably consistent. Witnesses describe sudden detonations resembling heavy artillery, often without storms, visible explosions or nearby aircraft. The sounds may rattle windows, be heard across many kilometres, and then cease without any obvious source.

The phenomenon became well known in nineteenth-century literature, with writers including James Fenimore Cooper referring to mysterious “lake guns”. Local traditions variously attributed the sounds to spirits, distant battles or unknown natural forces long before aviation existed. These accounts demonstrate that the reports predate modern UFO culture by many generations.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

Modern scientific opinion is more cautious than folklore. Rather than treating Seneca Guns as a single unexplained mystery, researchers regard the label as covering several different kinds of booming events that may have different causes in different locations.

How ground events seem airborne

One reason earthquake booms become associated with UFO reports is that they often violate everyday expectations.

Normally, people expect:

• Aircraft to produce sounds from above.
• Earthquakes to produce shaking from below.

Shallow earthquakes blur that distinction. A loud acoustic wave may arrive before the brain registers subtle ground motion, or the shaking may be so weak that only the boom is noticed. Without an obvious visual source, observers naturally scan the sky.

Atmospheric conditions can reinforce this illusion. Calm air, temperature inversions and local topography may affect how sound travels, making its origin difficult to judge. Even experienced observers can misidentify the direction of low-frequency sounds.[U.S. Geological Survey]usgs.govU.S. Geological Survey Sonic Booms | U.S. Geological SurveyU.S. Geological Survey Sonic Booms | U.S. Geological Survey

The result is a familiar pattern in witness reports: a loud explosion, no visible aircraft, no obvious damage, and speculation about something passing overhead when the actual source may have been beneath the surface.

Historical examples linking booms and earthquakes

Several well-documented earthquakes included reports of audible booming or roaring sounds.

The 1886 Charleston earthquake in South Carolina (approximately magnitude 6.9) was accompanied by widespread descriptions of roaring and booming as seismic waves crossed the region. During the weeks of aftershocks that followed, many witnesses reported loud detonations accompanying smaller tremors.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

During the 1811–1812 New Madrid earthquake sequence in the central United States, contemporary accounts likewise described artillery-like sounds before or during major shocks. While eyewitness descriptions from the period cannot always distinguish sound from shaking, they show that audible earthquakes have been recognised for centuries.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

Modern instrumental observations support these historical accounts. During earthquake swarms near Spokane, Washington, and Mammoth Mountain, California, USGS researchers documented very shallow earthquakes that coincided with booming or rumbling sounds reported by nearby residents and scientists in the field. In some cases, observers heard the sounds even when they felt little or no shaking.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

Why not every mysterious boom is an earthquake

Although earthquakes explain some cases, they do not explain them all.

The USGS notes that most unexplained booms investigated ultimately turn out to be more ordinary events, including:

Distinguishing among these possibilities requires seismic records, timing and sometimes weather or aviation data. For example, sonic booms travel through the atmosphere rather than through rock, producing different timing patterns on seismic instruments. Bright fireballs accompanying a boom may indicate a meteor, while frost quakes occur during intense cold when freezing groundwater fractures soil and rock.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

The key point is that a loud unexplained boom, by itself, is not diagnostic of any single phenomenon.

Are Seneca Guns finally explained?

There is no universal solution to the mystery.

The USGS continues to state that while many unexplained booms have plausible explanations, not every historical report has been conclusively resolved. Evidence from western North America strongly suggests that some mysterious booms are generated by very shallow earthquakes, but this cannot automatically be extended to every location traditionally associated with Seneca Guns.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

More recently, researchers studying Seneca Lake identified numerous large craters in the lakebed and found evidence consistent with methane and other gases escaping from sediments. They proposed that exceptionally large gas releases could create explosive surface bursts capable of producing cannon-like reports, potentially explaining at least some of the classic Seneca Lake incidents. This remains a location-specific hypothesis rather than a complete explanation for every historical “Seneca Guns” report elsewhere.[Popular Mechanics]popularmechanics.comPopular Mechanics Massive Booms Shook the East Coast for over 300 YearsScientists Finally Found the Source of the Sonic Explosions.June 2, 2026 — For over 300 years, mysterious booming sounds—known locally as…Published: June 2, 2026

The current evidence therefore points towards multiple mechanisms operating under the same traditional name.

What this means for UFO sound reports

Within the broader subject of alleged UFO noises, earthquake booms and Seneca Guns provide an important reminder that unfamiliar sounds do not necessarily originate in the sky.

A witness who hears a sudden explosion with no visible aircraft may reasonably conclude that something passed overhead, especially if there is little noticeable shaking. Yet geological processes, atmospheric acoustics and regional natural phenomena can create precisely that impression.

For investigators, the most reliable approach is to compare reports with seismic data, weather conditions, aviation activity and any evidence of meteors or industrial blasting before attributing the sound to an unidentified aerial phenomenon. The existence of genuine Earth-generated booms shows that unusual acoustics alone are not evidence of an extraordinary object overhead.[U.S. Geological Survey]usgs.govOpen source on usgs.gov.

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Endnotes

1. Source: usgs.gov
Link:https://www.usgs.gov/programs/earthquake-hazards/earthquake-booms-seneca-guns-and-other-sounds

2. Source: usgs.gov
Link:https://www.usgs.gov/faqs/what-are-those-booms-i-sometimes-hear-or-during-earthquake

3. Source: usgs.gov
Link:https://www.usgs.gov/faqs/how-does-usgs-tell-difference-between-earthquake-and-a-sonic-boom

4. Source: usgs.gov
Title: U.S. Geological Survey Sonic Booms | U.S. Geological Survey
Link:https://www.usgs.gov/programs/earthquake-hazards/sonic-booms

5. Source: waterdata.usgs.gov
Link:https://waterdata.usgs.gov/nwis/inventory?agency_cd=USGS&site_no=04232505

6. Source: waterdata.usgs.gov
Link:https://waterdata.usgs.gov/nwis/inventory/?agency_cd=USGS&site_no=425027076564401

Published: October 22, 2025

7. Source: usgs.gov
Link:https://www.usgs.gov/data/acoustic-doppler-current-profiler-data-seneca-owasco-and-skaneateles-lakes-central-new-york

8. Source: usgs.gov
Title: Recovering Project Platform from Seneca Lake, NY | U.S. Geological Survey
Link:https://www.usgs.gov/media/images/recovering-project-platform-seneca-lake-ny

9. Source: pubs.usgs.gov
Link:https://pubs.usgs.gov/publication/70048204

10. Source: usgs.gov
Title: flood june 1972 seneca lake inlet watkins glen new york
Link:https://www.usgs.gov/publications/flood-june-1972-seneca-lake-inlet-watkins-glen-new-york
Published: june 1972

11. Source: earthquake.usgs.gov
Link:https://earthquake.usgs.gov/education/topics.php?topicID=50

12. Source: usgs.gov
Link:https://www.usgs.gov/search?keywords=sonic+boom

13. Source: earthquake.usgs.gov
Link:https://earthquake.usgs.gov/education/all.php

14. Source: usgs.gov
Link:https://www.usgs.gov/search?keywords=Seneca+Lake

15. Source: earthquake.usgs.gov
Link:https://earthquake.usgs.gov/education/listen/

16. Source: usgs.gov
Title: Earthquake Hazards
Link:https://www.usgs.gov/programs/earthquake-hazards/science/faqs?page=5

17. Source: pubs.usgs.gov
Link:https://pubs.usgs.gov/fs/1996/0096/index.html

18. Source: usgs.gov
Title: seneca river lake sturgeon release
Link:https://www.usgs.gov/media/images/seneca-river-lake-sturgeon-release

19. Source: usgs.gov
Link:https://www.usgs.gov/search?keywords=Seneca+River

20. Source: popularmechanics.com
Title: Popular Mechanics Massive Booms Shook the East Coast for over 300 Years
Link:https://www.popularmechanics.com/science/a71454379/seneca-lake-mysterious-booms/

Published: June 2, 2026

Additional References

21. Source: sciencefocus.com
Title: Mystery ‘skyquakes’ are ripping through the world
Link:https://www.sciencefocus.com/planet-earth/mystery-skyquakes-are-ripping-through-the-world-and-nobody-knows-why

Published: April 12, 2026

22. Source: youtube.com
Link:https://www.youtube.com/watch?v=P6_a314KiZo

23. Source: youtube.com
Title: The Unsolved Mystery of ‘Skyquakes’ | Unexplained Loud Sounds Baffle Scientists
Link:https://www.youtube.com/watch?v=BCaHFn5n7Wc

24. Source: youtube.com
Title: Scientists Finally Know What Caused the Sonic Booms on the US East Coast
Link:https://www.youtube.com/watch?v=FkQfLqm240E

25. Source: youtube.com
Title: The Sky Just BOOMED… But No One Knows Why
Link:https://www.youtube.com/watch?v=j7QOQ1IKYes

26. Source: strangesounds.org
Link:https://strangesounds.org/mystery-booms-and-rumblings/earthquake-booms-seneca-guns

Published: January 6, 2026

27. Source: nps.gov
Title: Artillery Sounds Heard By Lewis and Clark (U.S. National Park Service)
Link:https://www.nps.gov/articles/000/artillery-sounds-heard-by-lewis-and-clark.htm

28. Source: livescience.com
Link:https://www.livescience.com/agu-seneca-guns-cause.html

29. Source: sciencedirect.com
Title: Ground vibrations produced by surface and near-surface explosions
Link:https://www.sciencedirect.com/science/article/abs/pii/S0003682X13000571

30. Source: coastalreview.org
Title: Seneca Guns? Mysterious Boom Rattles Coast | Coastal Review
Link:https://coastalreview.org/2019/03/seneca-guns-mysterious-boom-rattles-coast/