A maar is a broad, low-

relief Relief is a sculptural method in which the sculpted pieces are bonded to a solid background of the same material. The term '' relief'' is from the Latin verb ''relevo'', to raise. To create a sculpture in relief is to give the impression that th ...

volcanic crater caused by a phreatomagmatic eruption (an explosion which occurs when

groundwater Groundwater is the water present beneath Earth's surface in rock and Pore space in soil, soil pore spaces and in the fractures of stratum, rock formations. About 30 percent of all readily available freshwater in the world is groundwater. A unit ...

comes into contact with hot

lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or ...

magma Magma () is the molten or semi-molten natural material from which all igneous rocks are formed. Magma is found beneath the surface of the Earth, and evidence of magmatism has also been discovered on other terrestrial planets and some natura ...

). A maar characteristically fills with water to form a relatively shallow crater lake which may also be called a maar. The name comes from a Moselle Franconian dialect word used for the circular lakes of the

Daun Daun is a town in the Vulkaneifel district in Rhineland-Palatinate, Germany. It is the district seat and also the seat of the ' of Daun. Geography Location The town lies in the , a part of the Eifel known for its volcanic history, geog ...

area of Germany. Notes: * According to German Wikipedia's ''"Maar"'' article, in 1544 in his book ''Cosmographia'', Sebastian Münster (1488–1552) first applied the word "maar" (as ''Marh'') to the Ulmener Maar and the

Laacher See Laacher See (), also known as Lake Laach or Laach Lake, is a volcanic caldera lake with a diameter of in Rhineland-Palatinate, Germany, about northwest of Koblenz, south of Bonn, and west of Andernach. It is in the Eifel mountain range, and ...

. See: Sebastian Münster, ''Cosmographia'' (Basel, Switzerland: Heinrich Petri, 1544)
p. 341.
From p. 341: ''"Item zwen namhafftiger seen seind in der Eyfel / einer bey de schloß Ulmen / und ein ander bey dem Closter züm Laich / die seind sere tieff / habe kein ynflüß aber vil außflüß / die nennet man Marh unnd seind fischreich."'' (Also two noteworthy lakes are in the Eifel, one by the Ulmen castle, and another by the monastery at Laich ; they are very deep ;

hey Hey or Hey! may refer to: Music * Hey (band), a Polish rock band Albums * ''Hey'' (Andreas Bourani album) or the title song (see below), 2014 * ''Hey!'' (Julio Iglesias album) or the title song, 1980 * ''Hey!'' (Jullie album) or the title ...

have no streams flowing in but many flowing out ; one calls them "maars" and

are rich in fish.) * In 1819, Johann Steininger (1794–1874), a secondary-school teacher from Trier, coined the term "maar" in its modern sense. See: Steininger, J., ''Geognostische Studien am Mittelrhein'' eological studies on the middle Rhein(Mainz, (Germany): Kupferberg, 1819). * In 1825,

George Julius Poulett Scrope George Julius Poulett Scrope FRS (10 March 1797 – 19 January 1876) was an English geologist and political economist as well as a Member of Parliament and magistrate for Stroud in Gloucestershire. While an undergraduate at Cambridge, thr ...

(1797–1876) introduced the term "maar" into English. See: Scrope, G.P., ''Considerations on Volcanoes'' (London, England: Philipps, 1825)
p. 166.
* Prof. Horst Noll, a geologist at the University of Köln (Cologne), Germany, said that the local term ''maar'' might even have derived from the Latin word ''mare'' (i.e. sea) and been introduced into local language during the Roman occupation of the West Eifel. See: Noll, H. (1967) "Maare und Maar-ähnliche Explosionskrater in Island. Ein Vergleich mit dem Maar-Vulkanismus der Eifel" (Maars and maar-like explosion craters in Iceland. A comparison with the maar-volcanism of the Eifel.), Special publication of the Geological Institute of the University of Köln, p. 1. * Wilhelm Meyer, ''Geologie der Eifel'' eology of the Eifel(Stuttgart, Germany: Schweizerbart'sche Verlagsbuchhandlung, 1986), p. 311. * Herbert Lutz and Volker Lorenz (2013
"Early volcanological research in the Vulkaneifel, Germany, the classic region of maar–diatreme volcanoes: the years 1774–1865."
On-line publication of Springer International Publishing, Berlin, Germany. *

states that the word "maar" derives from the Latin ''mare'' (sea), as does the German languag
Universal Lexikon
Maars range in size from across and from deep. Most maars fill with water to form natural lakes. Most maars have low rims composed of a mixture of loose fragments of volcanic rocks and rocks torn from the walls of the diatreme.

Etymology

Maar lakes and dry maars

''Maar lakes'', also referred to simply as ''maars'', occur when

precipitation In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, sleet, snow, ice pellets, graupel and hail. ...

fills the funnel-shaped and usually round hollow of the maar depression formed by volcanic explosions. Examples of these types of maar are the three maars at Daun in the Eifel mountains of

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...

. A ''dry maar'' results when a maar lake dries out, becomes aggraded or silted up. An example of the latter is the Eckfelder Maar. Near Steffeln is the Eichholzmaar (also called the ''Gussweiher'') which has dried out during the last century and is being renaturalised into a maar. In some cases the underlying rock is so porous that maar lakes are unable to form. After winters of heavy snow and rainfall many dry maars fill partially and temporarily with water; others contain small

bogs A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials often mosses, typically sphagnum moss. It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and muskeg; a ...

or often artificial ponds that, however, only occupy part of the hollow.

Distribution

The largest known maars are found at Espenberg on the Seward Peninsula in northwest Alaska. These maars range in size from in diameter and a depth up to . These eruptions occurred in a period of about 100,000 years, with the youngest (the Devil Mountain Maar) occurring about 17,500 years ago. Their large size is due to the explosive reaction that occurs when

comes into contact with

permafrost Permafrost is ground that continuously remains below 0 °C (32 °F) for two or more years, located on land or under the ocean. Most common in the Northern Hemisphere, around 15% of the Northern Hemisphere or 11% of the global surface ...

. Hydromagmatic eruptions are increasingly explosive when the ratio of water to magma is low. Since permafrost melts slowly, it provides a steady source of water to the eruption while keeping the water to magma ratio low. This produces the prolonged, explosive eruptions that created these large maars. Examples of the Seward Peninsula maars include North Killeak Maar, South Killeak Maar, Devil Mountain Maar and Whitefish Maar. Maars occur in western North America, Patagonia in South America, the Eifel region of

(where they were originally described), and in other geologically young volcanic regions of Earth. Elsewhere in Europe, La Vestide du Pal in the

Ardèche Ardèche (; oc, Ardecha; frp, Ardecha) is a department in the Auvergne-Rhône-Alpes region of Southeastern France. It is named after the river Ardèche and had a population of 328,278 as of 2019.Kilbourne Hole and

Hunt's Hole Kilbourne Hole is a maar volcanic crater, located west of the Franklin Mountains of El Paso, Texas, in the Potrillo volcanic field of Doña Ana County, New Mexico. Another maar, Hunt's Hole, lies just two miles south of Kilbourne Hole. Kil ...

, in southern

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...

near

El Paso, Texas El Paso (; "the pass") is a city in and the seat of El Paso County in the western corner of the U.S. state of Texas. The 2020 population of the city from the U.S. Census Bureau was 678,815, making it the 23rd-largest city in the U.S., the ...

, are maars. The Crocodile Lake in Los Baños in the Philippines was originally thought of as a volcanic crater is also a maar. The notorious,

carbon dioxide Carbon dioxide ( chemical formula ) is a chemical compound made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature. In the air, carbon dioxide is t ...

-saturated Lake Nyos in northwestern

Cameroon Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the ...

is another example. An excellent example of a maar is Zuñi Salt Lake in

, a shallow saline lake that occupies a flat-floored crater about across and deep. Its low rim is composed of loose pieces of

basalt Basalt (; ) is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90 ...

ic lava and wall rocks (

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicat ...

, shale,

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms w ...

) of the underlying diatreme, as well as random chunks of ancient crystalline rocks blasted upward from great depths. Maars in

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...

are found in the

Wells Gray-Clearwater volcanic field The Wells Gray-Clearwater volcanic field, also called the Clearwater Cone Group, is a potentially active monogenetic volcanic field in east-central British Columbia, Canada, located approximately north of Kamloops. It is situated in the Carib ...

of east-central

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, for ...

and in kimberlite fields throughout Canada. A notable field of maars is found in the

Pali-Aike Volcanic Field The Pali-Aike volcanic field is a volcanic field along the Argentina–Chile border. It is part of a family of back-arc volcanoes in Patagonia, which formed from processes involving the collision of the Chile Ridge with the Peru–Chile Trench. ...

in Patagonia, South America. and in the Sudanese Bayuda Volcanic Field. The

Auckland volcanic field The Auckland volcanic field is an area of monogenetic volcanoes covered by much of the metropolitan area of Auckland, New Zealand's largest city, located in the North Island. The approximately 53 volcanoes in the field have produced a diverse a ...

in the urban area of

Auckland Auckland (pronounced ) ( mi, Tāmaki Makaurau) is a large metropolitan city in the North Island of New Zealand. The most populous urban area in the country and the fifth largest city in Oceania, Auckland has an urban population of about I ...

, New Zealand has several maars, including the readily accessible Lake Pupuke in the North Shore suburb of Takapuna. One of the most notable craters misidentified as a maar is

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

Meteor Crater Meteor Crater, or Barringer Crater, is a meteorite impact crater about east of Flagstaff and west of Winslow in the desert of northern Arizona, United States. The site had several earlier names, and fragments of the meteorite are offi ...

; for many years this was thought to be of volcanic rather than meteoric origin.

Germany

Eifel maars

In the Volcanic Eifel there are about 75 maars. These include water-filled maar lakes, but the great majority are dry maars. Both types, lake-filled maars and dry maars, are typical of the Volcanic Eifel. The last eruptions took place at least 11,000 years ago and many maars in the Eifel are clearly older. For this reason many are very heavily eroded and their shapes and volcanic features are not as obvious as those of more recent or even active maars elsewhere in the early. Nevertheless, the maars of the Eifel are well preserved.

= Water-filled maars of the Eifel

= Dry maars of the Eifel

In the Eifel and Volcanic Eifel there are numerous dry maars: * Mosbrucher Weiher (4 km SE of Kelberg) * Booser Doppelmaar (W of Boos; near Kelberg) * Dreiser Weiher (W of Dreis-Brück, N of

) * Dürres Maar (SW of

Gillenfeld Gillenfeld is an '' Ortsgemeinde'' – a municipality belonging to a ''Verbandsgemeinde'', a kind of collective municipality – in the Vulkaneifel district in Rhineland-Palatinate, Germany. It belongs to the ''Verbandsgemeinde'' of Daun, whos ...

) * Duppacher Weiher (near

Duppach Duppach is an '' Ortsgemeinde'' (a municipality), part of a group of municipalities called the ''Verbandsgemeinde'' of Gerolstein, which is located in the town of Gerolstein'' in the Vulkaneifel district of the state of Rhineland-Palatinate, G ...

, NW of Gerolstein) * Geeser Maar (E of Gerolstein, N of Gees) * Eckfelder Maar (near Eckfeld) * Eigelbacher Maar (near Kopp, county of

; maar basin: c. 1200 m × 1200 m) * Hitsche Maar (NW of the Dürre Maar, smallest Eifel maar; Ø = 60 m) * Immerather Risch (

Middle Low German Middle Low German or Middle Saxon (autonym: ''Sassisch'', i.e. " Saxon", Standard High German: ', Modern Dutch: ') is a developmental stage of Low German. It developed from the Old Saxon language in the Middle Ages and has been documented i ...

: ''risch'' = reed bed; N of the Immerather Maar) * Gerolsteiner Maar (NE of Gerolstein) * Schalkenmehrener Maar E (of Schalkenmehren) * Schönfelder Maar (SW of Stadtkyll-Schönfeld) * Steffelner Laach or "Laach Maar" (near Steffeln) * Dehner Maar (near Reuth) * Walsdorfer Maar ("Schilierwiese"; S of Walsdorf; maar basin: c. 1150 m × 1000 m) * Wollmerather Maar (near

Wollmerath Wollmerath is an ''Ortsgemeinde'' – a Municipalities of Germany, municipality belonging to a ''Verbandsgemeinde'', a kind of collective municipality – in the Cochem-Zell Districts of Germany, district in Rhineland-Palatinate, Germany. It belong ...

)

= Broader use of the term ''maar''

= The following volcanic features are often colloquially referred to as a "maar" or "maar lake", although they are not, strictly speaking, maars: *

Windsborn Crater Lake Windsborn Crater Lake (german: Windsborn-Kratersee) is a water-filled volcanic crater in the Eifel mountains in Germany. It is located near Bettenfeld in the county of Bernkastel-Wittlich and in the state of Rhineland-Palatinate, and belongs to a ...

and Hinkelsmaar in the Manderscheid Volcano Group near Bettenfeld, crater lakes of the Mosenberg *

near

Maria Laach Maria Laach Abbey (in German: ''Abtei Maria Laach'', in Latin: ''Abbatia Maria Lacensis'' or ''Abbatia Maria ad Lacum'') is a Benedictine abbey situated on the southwestern shore of the Laacher See (Lake Laach), near Andernach, in the Eifel r ...

, lake in a

caldera A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcano eruption. When large volumes of magma are erupted over a short time, structural support for the rock above the magma chamber is ...

of the Laacher See volcano * Strohner Märchen (south of the Pulvermaar), volcanic pipe which has become a maar * Papenkaule, a volcanic crater, and the associated eruption site of the Hagelskaule * Elfenmaar near Bad Bertrich, an almost entirely eroded

stratovolcano A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and peri ...

* Rodder Maar near Niederdürenbach, the origin of which is unclear

Maars outside the Eifel

In Germany there are also several maars outside of the Eifel. A well-known example is the Messel pit, a former maar lake near

Messel Messel is a municipality in the district of Darmstadt-Dieburg in Hesse near Frankfurt am Main in Germany. The village is first mentioned, as ''Masilla'', in the Lorsch codex. Messel was the property of the lords of Groschlag from ca. 1400 to 1799 ...

in the county of Darmstadt-Dieburg and which is known for its well preserved

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

s. In addition in the

Swabian Jura The Swabian Jura (german: Schwäbische Alb , more rarely ), sometimes also named Swabian Alps in English, is a mountain range in Baden-Württemberg, Germany, extending from southwest to northeast and in width. It is named after the region of ...

and the Albvorland (the Swabian Volcano) there are maar-forming volcanoes. Because the over 350 eruption points were only active in the Upper

Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...

17 to 11 million years ago, all the maars, apart from the dry maar, Randecker Maar and the Molach, are only detectable geologically. In the Ore Mountains near

Hammerunterwiesenthal Oberwiesenthal (; officially Kurort Oberwiesenthal) is a town and a ski resort in the district of Erzgebirgskreis in Saxony in Germany. It is situated in the Ore Mountains, on the border with the Czech Republic, 19 km south of Annaberg-Buc ...

, the Hammerunterwiesenthal Maar formed about 30 million years ago during the Oligocene; the maar measures 2 kilometres from east to west and 1.4 kilometres from north to south.

Rest of Europe

The

Chaîne des Puys The Chaîne des Puys () is a north-south oriented chain of cinder cones, lava domes, and maars in the Massif Central of France. The chain is about 40 km (25 mi) long, and the identified volcanic features, which constitute a volcanic ...

in France contains numerous maars; Lake Albano in the

Alban Mountains The Alban Hills ( it, Colli Albani) are the caldera remains of a quiescent volcanic complex in Italy, located southeast of Rome and about north of Anzio. The high Monte Cavo forms a highly visible peak the centre of the caldera, but the ...

is a complex maar, and there is also a submarine maar ( Kolumbo) near

Santorini Santorini ( el, Σαντορίνη, ), officially Thira ( Greek: Θήρα ) and classical Greek Thera (English pronunciation ), is an island in the southern Aegean Sea, about 200 km (120 mi) southeast from the Greek mainland. It is t ...

in Greece. The

Campo de Calatrava Volcanic Field The Campo de Calatrava volcanic field is a volcanic field in Spain. The volcanic field is in the centre of the province of Ciudad Real, in a region known as Campo de Calatrava. The volcanic field has an area of more than 5000 km2 and more tha ...

in Spain contains numerous maars; a typical example being the maar of Hoya del Mortero at Poblete in the

Province of Ciudad Real The province of Ciudad Real () is a province in the southwestern part of the autonomous community of Castile-La Mancha, Spain. It is bordered by the provinces of Cuenca, Albacete, Jaén, Córdoba, Badajoz, and Toledo. It is partly located i ...

. Active maars were commonplace in

Fife Fife (, ; gd, Fìobha, ; sco, Fife) is a council area, historic county, registration county and lieutenancy area of Scotland. It is situated between the Firth of Tay and the Firth of Forth, with inland boundaries with Perth and Kinross ...

and Lothian, Scotland during the

Carboniferous The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carboniferou ...

period. The location of one such maar was Elie Ness.

Americas

Active maar volcanoes are mainly known outside Europe. In the US there are numerous maar areas, such as Alaska ( Ukinrek Maars, Nunivak in the

Bering Sea The Bering Sea (, ; rus, Бе́рингово мо́ре, r=Béringovo móre) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasses on Earth: Eurasia and The Am ...

), in

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

( Battle Ground Lake), in

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

( Fort Rock basin with the maars of

Big Hole The Kimberley Mine or Tim Kuilmine ( af, Groot Gat) is an open-pit and underground mine in Kimberley, South Africa, and claimed to be the deepest hole excavated by hand, although this claim is disputed. History and size The first diamonds he ...

, Hole-in-the-Ground, Table Rock), in

Death Valley National Park Death Valley National Park is an American national park that straddles the California–Nevada border, east of the Sierra Nevada. The park boundaries include Death Valley, the northern section of Panamint Valley, the southern section of Eurek ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

(

Ubehebe Crater Ubehebe Crater is a large volcanic crater of the Ubehebe Craters volcanic field in the northern half of Death Valley, in Death Valley National Park, California, United States. Geography Ubehebe Crater (pronounced YOO-bee-HEE-bee) is located ...

), in

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

( Soda Lakes) as well as the maars of the White Rock Canyon, Mount Taylor and Potrillo volcanic fields, Zuñi Salt Lake Crater and Kilbourne Hole Crater in New Mexico. In Central Mexico, the Tarascan volcanic field contains several maars in the states of

Michoacán Michoacán, formally Michoacán de Ocampo (; Purépecha: ), officially the Free and Sovereign State of Michoacán de Ocampo ( es, Estado Libre y Soberano de Michoacán de Ocampo), is one of the 32 states which comprise the Federal Entities of ...

and

Guanajuato Guanajuato (), officially the Free and Sovereign State of Guanajuato ( es, Estado Libre y Soberano de Guanajuato), is one of the 32 states that make up the Federal Entities of Mexico. It is divided into 46 municipalities and its capital city i ...

. In Nicaragua is the maar of Laguna de Xiloa, part of the Apoyeque volcano. From South America, there are known maars in

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the eas ...

(e.g. Cerro Overo and Cerro Tujle in northern Chile). Jayu Khota is a maar in

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

Middle East and Africa

The maar of

Birket Ram 06-03-12-c4 copie Birket kirke (Lolland)

...

lies on the

Golan Heights The Golan Heights ( ar, هَضْبَةُ الْجَوْلَانِ, Haḍbatu l-Jawlān or ; he, רמת הגולן, ), or simply the Golan, is a region in the Levant spanning about . The region defined as the Golan Heights differs between di ...

; further south maars occur in Africa ( Bilate Volcanic Field and Haro Maja in the Butajiri- Silti-Volcanic Field, Ethiopia, the Bayuda Volcanic Field in the Sudan and Lake Nyos in the Oku Volcanic Field in Cameroon). In

Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the Ara ...

the

Al Wahbah crater Al Wahbah Crater ( ar, فَوْهَة ٱلْوَعْبَة, Fawhat al-Waʿbah), also ''Maqlaʿ Ṭamiyyah'' (), is a volcanic crater, which is about away from Ta'if on the western edge of the Harrat Kishb basalt plateau in the Hejazi region of ...

formed as a result of a maar eruption.

Asia and Oceania

In Japan there are maars in the Kirishima- Yaku Volcanic Field in the Kirishima-Yaku National Park on

Kyushu is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surround ...

(Kagamiike Pond) as well as many on the volcanic island of Miyake-jima,

Izu Islands The are a group of volcanic islands stretching south and east from the Izu Peninsula of Honshū, Japan. Administratively, they form two towns and six villages; all part of Tokyo Prefecture. The largest is Izu Ōshima, usually called simply � ...

(Furumio, Mi'ike, Mizutamari, Shinmio). Koranga Maar and Numundo Maar are in

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

. Kawah Masemo maar is on Mount Sempu volcano in Indonesia. The San Pablo Volcanic Field in the Province of Laguna on the island of

Luzon Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as ...

in the Philippines contains maars. The Newer Volcanics Province in the States of

South Australia South Australia (commonly abbreviated as SA) is a States and territories of Australia, 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 o ...

and Victoria, Australia, has numerous maars, such as Mount Gambier, Mount Schank and

Tower Hill Tower Hill is the area surrounding the Tower of London in the London Borough of Tower Hamlets. It is infamous for the public execution of high status prisoners from the late 14th to the mid 18th century. The execution site on the higher gro ...

, whose complex system of nested maars is enclosed by one of the largest maars in the world. Foulden Maar is in Otago,

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island coun ...

Gallery

Image:Totenmaar weinfelder maar eifel.jpg, Weinfelder Maar, one of the three maars originally described Image:Maar Israel.JPG, The maar at

Birkat Ram Lake Ram ( ar, بحيرة مسعدة, Buhairat Mas'ade, Lake of Mas'ade and Birkat el-Ram. he, בריכת רם, Brekhat Ram}) is a crater lake (maar) in the northeastern Golan Heights, near the village of Mas'ade and Mount Hermon. History Josephu ...

, the

Image:Zengena Hayq.JPG, Zengena Lake, a maar in Amhara Region,

Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...

Image:Pinacate_volcanic_field.jpg,

El Elegante Crater El Elegante (Spanish for ''elegant one'') is a maar (a type of volcanic crater) located in the Gran Desierto de Altar in the Sonoran Desert, Mexico. At deep and across, it is the largest in the volcanic complex of Pinacate Peaks. Formati ...

, in

Sonoran Desert The Sonoran Desert ( es, Desierto de Sonora) is a desert in North America and ecoregion that covers the northwestern Mexican states of Sonora, Baja California, and Baja California Sur, as well as part of the southwestern United States (in Ariz ...

, México Image:BVFMuweilihCrater.jpg, El Muweilih Crater in

Sudan Sudan ( or ; ar, السودان, as-Sūdān, officially the Republic of the Sudan ( ar, جمهورية السودان, link=no, Jumhūriyyat as-Sūdān), is a country in Northeast Africa. It shares borders with the Central African Republic t ...

: Natron-rich clay on the crater floor File:Kilbourn hole aerial 1.jpg, Kilbourne Hole maar in the Potrillo volcanic field of New Mexico File:Kluft-photo-SodaLake-rim-2018-11.jpg, Big Soda Lake in Nevada

Footnotes

References

Seetiefe der Maare bei mittlerem Wasserstand zu ''Ungeklärte Herkunft des Rodder Maars''

Literature

USGS photo glossary: Maar

External links

List of Maar VolcanoesLa Vestide du Pal
{{Authority control Depressions (geology) Volcanic landforms .