A skyquake is a phenomenon where a loud booming sound is reported to originate from the sky. The sound may cause noticeable vibration in a building or across a particular area. Those who experience skyquakes typically do not have a clear explanation for what caused them and they are perceived as mysterious. They have been heard in several locations around the world, including the banks of the river

Ganges The Ganges ( ) (in India: Ganga ( ); in Bangladesh: Padma ( )). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international river to which India, Bangladesh, Nepal and China are the riparian states." is ...

, Marwadi/Marawadi (मरवड़ी/मराड़ी) village in

Himachal Pradesh Himachal Pradesh (; ; "Snow-laden Mountain Province") is a state in the northern part of India. Situated in the Western Himalayas, it is one of the thirteen mountain states and is characterized by an extreme landscape featuring several peaks ...

, the East Coast and inland

Finger Lakes The Finger Lakes are a group of eleven long, narrow, roughly north–south lakes located south of Lake Ontario in an area called the ''Finger Lakes region'' in New York, in the United States. This region straddles the northern and transitional ...

of the United States, the city of Hudson, Wisconsin, the

Magic Valley The Magic Valley is a region in south-central Idaho constituting Blaine, Camas, Cassia, Gooding, Jerome, Lincoln, Minidoka, and Twin Falls counties. It is particularly associated with the agricultural region in the Snake River Plain located ...

in South Central Idaho of the United States, Colombia, Southern Canada, as well as areas of the

North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea, epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the ...

, Japan,

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...

, Australia,

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...

, Drogheda,

Bettystown Bettystown (), previously known as Betaghstown and transliterated to ''Beattystown/Bettystown'', is a village in an area known as East Meath within County Meath, Ireland. Together with the neighbouring villages of Laytown and Mornington it c ...

Slane Slane () is a village in County Meath, in Ireland. The village stands on a steep hillside on the left bank of the River Boyne at the intersection of the N2 ( Dublin to Monaghan road) and the N51 (Drogheda to Navan road). As of the 2016 cen ...

Dundalk Dundalk ( ; ga, Dún Dealgan ), meaning "the fort of Dealgan", is the county town (the administrative centre) of County Louth, Ireland. The town is on the Castletown River, which flows into Dundalk Bay on the east coast of Ireland. It is h ...

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

Pune Pune (; ; also known as Poona, ( the official name from 1818 until 1978) is one of the most important industrial and educational hubs of India, with an estimated population of 7.4 million As of 2021, Pune Metropolitan Region is the largest i ...

Ambala Ambala () is a city and a municipal corporation in Ambala district in the state of Haryana, India, located on the border with the Indian state of Punjab and in proximity to both states capital Chandigarh. Politically, Ambala has two sub-are ...

The Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the ...

, Bengaluru, Tierra del Fuego

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...

, Jakarta and

West Java West Java ( id, Jawa Barat, su, ᮏᮝ ᮊᮥᮜᮧᮔ᮪, romanized ''Jawa Kulon'') is a province of Indonesia on the western part of the island of Java, with its provincial capital in Bandung. West Java is bordered by the province of Banten ...

(),

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...

Tampico Tampico is a city and port in the southeastern part of the state of Tamaulipas, Mexico. It is located on the north bank of the Pánuco River, about inland from the Gulf of Mexico, and directly north of the state of Veracruz. Tampico is the fifth ...

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

on , Central Java on (), Bandung of

on , and recently, the 6-hour skyquake heard from several cities in

East Java East Java ( id, Jawa Timur) is a Provinces of Indonesia, province of Indonesia located in the easternmost hemisphere of Java island. It has a land border only with the province of Central Java to the west; the Java Sea and the Indian Ocean bord ...

( Batu, Malang, and Surabaya) on .

Local names

Names (according to area) are: *

Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...

: Barisal GunsT.D. LaTouche, "On the Sounds Known as Barisal Guns", Report (1890-8) of the annual meeting By British Association for the Advancement of Science, Issue 60, pp. 800. *

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...

: "bombes de mer", "canons de mer". *

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

: ''dentuman'' (lit: "clatter") or ''suara tembakan meriam'' (lit: "the sound of

cannon A cannon is a large- caliber gun classified as a type of artillery, which usually launches a projectile using explosive chemical propellant. Gunpowder ("black powder") was the primary propellant before the invention of smokeless powder ...

fire"). *

: "brontidi", "marina", "balza", "lagoni", "bomba", "rombo", "boato", "bonnito", "mugghio", "baturlio", "tromba", "rufa"., * Japan: "uminari" (literally, "cries from the sea") *

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

and

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...

: "mistpoeffers", "zeepoeffers", "zeedoffers", "mistbommen", "gonzen", "balken", "onderaardse geruchten". *

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

and

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

: "retumbos" *

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

: "Guns of the Seneca" around Seneca Lake and

Cayuga Lake Cayuga Lake (,,) is the longest of central New York's glacial Finger Lakes, and is the second largest in surface area (marginally smaller than Seneca Lake) and second largest in volume. It is just under long. Its average width is , and it is ...

, Seneca guns in the Southeast US *

Latin America Latin America or * french: Amérique Latine, link=no * ht, Amerik Latin, link=no * pt, América Latina, link=no, name=a, sometimes referred to as LatAm is a large cultural region in the Americas where Romance languages — languages derived f ...

and

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

: "cielomoto" *elsewhere: "fog guns", "mistpouffers", "waterguns" They have been reported from an Adriatic island in 1824;

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...

and

Victoria Victoria most commonly refers to: * Victoria (Australia), a state of the Commonwealth of Australia * Victoria, British Columbia, provincial capital of British Columbia, Canada * Victoria (mythology), Roman goddess of Victory * Victoria, Seychelle ...

in Australia;

; frequently on calm summer days in the Bay of Fundy, Canada; Lough Neagh in

Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...

;

Scotland Scotland (, ) is a Countries of the United Kingdom, country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a Anglo-Scottish border, border with England to the southeast ...

;

Passamaquoddy Bay Passamaquoddy Bay (french: Baie de Passamaquoddy) is an inlet of the Bay of Fundy, between the U.S. state of Maine and the Canadian province of New Brunswick, at the mouth of the St. Croix River. Most of the bay lies within Canada, with its w ...

New Brunswick New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. It is the only province with both English and ...

;

Cedar Keys Cedar may refer to: Trees and plants *''Cedrus'', common English name cedar, an Old-World genus of coniferous trees in the plant family Pinaceae * Cedar (plant), a list of trees and plants known as cedar Places United States * Cedar, Arizona ...

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

; Franklinville, New York in 1896; and northern

Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...

in the

. Their sound has been described as being like distant but inordinately loud thunder while no clouds are in the sky large enough to generate lightning. Those familiar with the sound of cannon fire say the sound is nearly identical. The booms occasionally cause shock waves that rattle plates. Early white settlers in North America were told by the native Haudenosaunee

Iroquois The Iroquois ( or ), officially the Haudenosaunee ( meaning "people of the longhouse"), are an Iroquoian-speaking confederacy of First Nations peoples in northeast North America/ Turtle Island. They were known during the colonial years to ...

that the booms were the sound of the

Great Spirit The Great Spirit is the concept of a life force, a Supreme Being or god known more specifically as Wakan Tanka in Lakota,Ostler, Jeffry. ''The Plains Sioux and U.S. Colonialism from Lewis and Clark to Wounded Knee''. Cambridge University Pres ...

continuing his work of shaping the earth. The terms "mistpouffers" and "Seneca guns" both originate in Seneca Lake, NY, and refer to the rumble of

artillery Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during siege ...

fire. James Fenimore Cooper, author of ''

The Last of the Mohicans ''The Last of the Mohicans: A Narrative of 1757'' is a historical romance written by James Fenimore Cooper in 1826. It is the second book of the ''Leatherstocking Tales'' pentalogy and the best known to contemporary audiences. '' The Pathfinder ...

,'' wrote "

The Lake Gun "The Lake Gun" is a satirical short story by James Fenimore Cooper first published in 1850. The short story was commissioned by George E. Wood for $100, and published in a miscellany titled ''The Parthenon''. It was reprinted in ''Specimens of Ame ...

" in 1850, a short story describing the phenomenon heard at Seneca Lake, which seems to have popularized the terms.

Hypotheses

Their origin has not been positively identified. They have been explained as: *

Coronal mass ejection A coronal mass ejection (CME) is a significant release of plasma and accompanying magnetic field from the Sun's corona into the heliosphere. CMEs are often associated with solar flares and other forms of solar activity, but a broadly accept ...

CMEs often generate shock waves similar to what happens when an aircraft flies at a speed higher than the speed of sound in Earth's atmosphere (

sonic boom A sonic boom is a sound associated with shock waves created when an object travels through the air faster than the speed of sound. Sonic booms generate enormous amounts of sound energy, sounding similar to an explosion or a thunderclap to ...

). The solar wind's equivalent of a sonic boom can accelerate protons up to millions of miles per minute—as much as 40 percent of the speed of light. *

Meteor A meteoroid () is a small rocky or metallic body in outer space. Meteoroids are defined as objects significantly smaller than asteroids, ranging in size from grains to objects up to a meter wide. Objects smaller than this are classified as mi ...

s entering the atmosphere causing sonic booms. *Gas: **Gas escaping from vents in the Earth's surface. **With lakes,

bio gas Biogas is a mixture of gases, primarily consisting of methane, carbon dioxide and hydrogen sulphide, produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste and food waste. It is a ...

from decaying vegetation trapped beneath the lake bottoms suddenly bursting forth. This is plausible, since

and Seneca Lake are two large and deep lakes. **Explosive release of less volatile gases generated as limestone decays in underwater caves. *Military aircraft creating sonic booms (though this origin cannot explain occurrences before supersonic flight started). *Shallow earthquakes can generate sound waves with little ground vibration. The "booming" sound is heard only in a localized area around the epicenter. *Underwater caves collapsing, and the air rapidly rising to the surface. * Possible resonance from solar and/or earth magnetic activity inducing sounds. * Volcanic eruptions * Avalanches, either natural or human-made for

avalanche control Avalanche control or avalanche defense activities reduce the hazard avalanches pose to human life, activity, and property.Atmospheric ducting where distant

thunder Thunder is the sound caused by lightning. Depending upon the distance from and nature of the lightning, it can range from a long, low rumble to a sudden, loud crack. The sudden increase in temperature and hence pressure caused by the lightning pr ...

or other sounds are propagated across long distances due to travel through distinct atmospheric layers.

References

{{reflist Unidentified sounds Earth mysteries

Local names

Hypotheses

See also

References