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List of volcanoes in Mexico

From Wikipedia, the free encyclopedia

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Transcription

Types of volcanoes

Major volcanoes of Mexico (minor volcanoes not shown)

There are multiple types of volcanoes in Mexico. Volcanoes can be of different types such as cinder cone volcanoes, composite volcanoes, shield volcanoes, and lava domes. Each of these variations of volcanoes forms in its own way. Cinder cone volcanoes are the simplest type of volcano. This volcano forms from particles of solidified lava that ejected from a single vent. When the lava is eruptive and blows into the air, it separates into small fragments that solidify and fall around the central vent to form an oval cone at the top of the volcano. “Composite volcanoes or stratovolcanoes, make up some of the world’s most memorable mountains: Mount Rainier, Mount Fuji, and Mount Cotopaxi.”[1] These volcanoes are very steep sided and symmetrical, in a cone shape. They have a conduit system which allows the magma to flow from deep within the Earth’s surface. They have many vents within the volcano which allows the lava to break through the walls, which allows for the volcano to grow up to thousands of meters tall. Composite volcanoes are also known to explode violently, as (for instance) Mount St. Helens did in 1980.[2] Another type of volcano, known as shield volcanoes, are very large and look like shields from above. The lava from within shield volcanoes is very thin, so when it pours out in all directions from the central summit vent, it travels for long distances. These volcanoes filled up slowly over time, with eruptions creating layers on top of layers. Unlike shield volcanoes, lava dome volcanoes are created by small masses of lava that are too thick to flow very far down the slope. They commonly occur within the creators of large composite volcanoes. The dome grows from lava expanding within the volcano. When lava domes explode, they violently release huge amounts of ash and rock.

Trans-Mexican Volcanic Belt

The Trans-Mexican Volcanic Belt is the Neogene volcanic arc that takes place on the southern edge of the North American plate. It is approximately 1000 kilometers long. It overlies the Rivera and Cocos slabs. It’s a unique volcanic belt, as it is not parallel to the Middle American trench, where most of the stratovolcanoes are usually positioned. It has a wide range of chemical compositions, such as intraplate. It consists of many volcanic features that include monogenetic volcano cones, shield volcanoes, lava dome, complexes, and major calderas. Fun fact: It actually snows all year long on some of the highest peaks are people living, and when the weather is clear, they can be seen by those who live in Mexico on some of the high parts from which these volcanoes rise. Before the Trans-Mexican Belt took over, the Sierra Madre Occidental actually was in that exact area. This is how the Trans-Mexican Volcanic belt evolved and changed and the Rivera plate begin to subduction beneath Central Mexico in the early to late Miocene. 2) The slab tear begins to propagate west to east across the back northern area of the belt, which allowed asthenospheric heat in to generate the Mafic episode.3) The latest Miocene was the onset of more silic volcanics generated by flat slab subduction which pushed the belt further to the north.4) Lastly, The late Pliocene to Holocene is characterized by slab rollback sending the volcanic arc trenchward to the present day position.

List

This is a list of active and extinct volcanoes in Mexico.

Name Elevation (m) Elevation (ft) Location Last eruption Volcanic type
!a !a !a -9e99
Los Atlixcos 800 2625 19°48′32″N 96°31′34″W / 19.809°N 96.526°W / 19.809; -96.526 Shield
Acatlán Volcanic Field 1990 6529 20°27′N 103°34′W / 20.45°N 103.57°W / 20.45; -103.57 Pleistocene Caldera
Volcán Bárcena 332 1089 19°18′N 110°49′W / 19.30°N 110.82°W / 19.30; -110.82 1953 Cinder
Ceboruco 2280 7480 21°07′30″N 104°30′29″W / 21.125°N 104.508°W / 21.125; -104.508 1875 Composite
Cerro Prieto 223 732 32°25′05″N 115°18′18″W / 32.418°N 115.305°W / 32.418; -115.305 Holocene Composite
Sierra Chichinautzin 3930 12,894 19°05′N 99°08′W / 19.08°N 99.13°W / 19.08; -99.13 400 CE Shield
El Chichón 1060 3478 17°20′N 93°12′W / 17.33°N 93.20°W / 17.33; -93.20 1982 Composite
Cofre de Perote 4282 14,049 19°29′31″N 97°09′00″W / 19.492°N 97.15°W / 19.492; -97.15 1150 Shield
Colima 4330 14,306 19°31′N 103°37′W / 19.51°N 103.62°W / 19.51; -103.62 2019 Composite
Comondú-La Purísima 780 2559 26°00′N 111°55′W / 26.00°N 111.92°W / 26.00; -111.92 Cinder
Coronado 440 1444 29°04′48″N 113°30′47″W / 29.08°N 113.513°W / 29.08; -113.513 Composite
Las Cumbres 3940 12,926 19°09′N 97°16′W / 19.15°N 97.27°W / 19.15; -97.27 3920 BCE ± 50 Composite
Las Derrumbadas 3480 11,417 19°12′N 97°18′W / 19.20°N 97.30°W / 19.20; -97.30 Composite
Durango volcanic field 2075 6808 24°09′N 104°26′W / 24.15°N 104.43°W / 24.15; -104.43 Composite
La Gloria Volcanic Field 3600 11,483 19°20′N 97°15′W / 19.33°N 97.25°W / 19.33; -97.25 Composite
Guadalupe 1100 3609 29°04′N 118°17′W / 29.07°N 118.28°W / 29.07; -118.28 Shield
Los Humeros 3150 10,335 19°41′N 97°27′W / 19.68°N 97.45°W / 19.68; -97.45 4470 BCE Composite
Iztaccihuatl 5286 17,342 19°12′N 98°36′W / 19.2°N 98.6°W / 19.2; -98.6 Holocene Composite
Jaraguay volcanic field 960 3150 29°20′N 114°30′W / 29.33°N 114.50°W / 29.33; -114.50 Holocene Composite
Jocotitlán 3910 12,828 19°43′26″N 99°45′25″W / 19.724°N 99.757°W / 19.724; -99.757 1270 ± 75 Composite
El Jorullo 3170 10,397 19°29′N 102°15′W / 19.48°N 102.25°W / 19.48; -102.25 1774 Cinder
La Malinche 4461 14,636 19°14′N 98°02′W / 19.23°N 98.03°W / 19.23; -98.03 1170 BCE ± 50 Composite
Mascota Volcanic Field 2540 8399 20°37′N 104°50′W / 20.62°N 104.83°W / 20.62; -104.83 Holocene Cinder
Michoacán–Guanajuato volcanic field 3860 12,664 19°29′N 102°15′W / 19.48°N 102.25°W / 19.48; -102.25 1952 Cinder
Moctezuma volcanic field 29°38′N 109°31′W / 29.63°N 109.52°W / 29.63; -109.52 530,000 ± 200,000 Composite
Naolinco Volcanic Field 2000 6562 19°40′N 96°45′W / 19.67°N 96.75°W / 19.67; -96.75 1200 BCE Cinder
Nevado de Toluca 4690 15,354 19°06′29″N 99°45′29″W / 19.108°N 99.758°W / 19.108; -99.758 1350 BCE Composite
Papayo 3600 11,811 19°18′29″N 98°42′00″W / 19.308°N 98.70°W / 19.308; -98.70 Holocene Composite
Parícutin 2800 9,186 19°30′N 102°12′W / 19.5°N 102.2°W / 19.5; -102.2 1952 Cinder
Pico de Orizaba (Citlaltépetl) 5700 18,701 19°01′01″N 97°16′12″W / 19.017°N 97.27°W / 19.017; -97.27 1846 Composite
Pinacate Peaks 1200 3937 31°46′19″N 113°29′53″W / 31.772°N 113.498°W / 31.772; -113.498 Composite
Popocatépetl 5426 17,802 19°01′23″N 98°37′19″W / 19.023°N 98.622°W / 19.023; -98.622 2024 Composite
Sierra la Primavera 2270 7448 20°37′N 103°31′W / 20.62°N 103.52°W / 20.62; -103.52 Pleistocene Composite
La Reforma Caldera - 27°30′29″N 112°23′31″W / 27.508°N 112.392°W / 27.508; -112.392 Composite
San Borja volcanic field 1360 4462 28°30′N 113°45′W / 28.50°N 113.75°W / 28.50; -113.75 Holocene Cinder
Isla San Luis 180 591 29°48′50″N 114°23′02″W / 29.814°N 114.384°W / 29.814; -114.384 Holocene Shield
San Martin Tuxtla 1650 5413 18°34′12″N 95°19′12″W / 18.57°N 95.320°W / 18.57; -95.320 1796 Shield
San Quintín Volcanic Field 260 853 30°28′05″N 115°59′46″W / 30.468°N 115.996°W / 30.468; -115.996 Holocene Shield
Sangangüey 2353 7677 21°27′N 104°44′W / 21.45°N 104.73°W / 21.45; -104.73 1742 Composite
Serdan-Oriental 3485 11,434 19°16′N 97°28′W / 19.27°N 97.47°W / 19.27; -97.47 Holocene Composite
Socorro 1050 3445 18°47′N 110°57′W / 18.78°N 110.95°W / 18.78; -110.95 1994 Shield
Tacaná 4060 13,320 15°08′N 92°07′W / 15.13°N 92.11°W / 15.13; -92.11 1986 Composite
Tequila Volcano 2920 9,580 20°47′N 103°51′W / 20.79°N 103.85°W / 20.79; -103.85 Pleistocene Composite
Isla Tortuga 210 689 27°23′31″N 111°51′29″W / 27.392°N 111.858°W / 27.392; -111.858 Holocene Shield
Tres Virgenes 1940 6365 27°25′N 112°35′W / 27.42°N 112.59°W / 27.42; -112.59 1857 Composite
Zitacuaro-Valle de Bravo 3500 11,483 19°24′N 100°15′W / 19.40°N 100.25°W / 19.40; -100.25 3050 BCE Composite

Volcanic hazards

A volcanic hazard is a process that can cause damage to anything or anyone. Tephra/ash is a hazard caused by many volcanoes. Ash covers items like buildings, vehicles, homes, etc., and if "animals or humans consume fine-grained ash, it can cause health problems.."[3] Lahars are a kind of flowing volcanic hazard that can be harmful as they can take/drag anything in their way. Lahars can flow at varying speeds, making it difficult for people to escape from them. Pyroclastic flows, which are toxic gases created by hot clouds that can destroy all things they come into contact with, are another example of a volcanic hazard. Lava flows are the least deadly out of the volcanic hazards as "most move slowly enough that people can move out the way easily."[4] However, objects, people, and more that go near the lava flows "will be knocked over, surrounded, buried, or ignited by the extremely hot temperature of lava."[5]

Ring of Fire

A lot of earthquakes and volcanoes are in the pacific ring of fire. In addition, the ring of fire is “a direct result of plate tectonics, and the movement and collisions of lithospheric plates"[6] and Mexico’s volcanoes are part of this ring of fire. A specific Mexican volcano apart from the ring of fire is Popocatépetl, which is also one of the most dangerous volcanoes. This volcano lies “on the Trans-Mexican Volcanic Belt, which is the result of the small Cocos Plate sub-ducting beneath the North American Plate”.[7] The Popocatépetl volcano is a danger to a lot of people, so they have to be careful when or if this volcano erupts. In general, Mexico’s volcanoes are in the ring of fire, therefore people who live near the volcanoes listed above have to be careful with the volcanoes that will most likely erupt again.

Effects of volcanic eruptions on surrounding communities

When a volcano erupts, the communities around them are affected depending on how big of an eruption occurred. Popocatépetl is an excellent example of the effects that volcanoes can have on a community. Popocatépetl is a famous volcano due to it being inactive for 50 years and coming back to life in 1994. Since 1994, it has been producing powerful explosions at irregular intervals. In 2013, It released a cloud of ash that would spread for 2 miles high over a period of several days of eruptions. In the city of San Pedro Nexapa, about 9.5 from the Popocatépetl, local residents were able to find small piles of ash on parts of the sidewalk. It is easy for ash to get picked up by the wind, and get passed around contaminating the air. Cars driving by pick up the ash with their exhaust, and with the volcano still erupting irregularly, ash is periodically flowing out. Following the explosions, a total of 17 flights were canceled  “due to climate conditions and in accordance with their own international policies.”[8] Other effects that volcanoes can have on communities in close proximity with the base are more in danger for ash clouds, mud flow, gases, earthquakes, and tsunamis. “During volcanic eruptions and their immediate aftermath, increased respiratory system morbidity has been observed as well as mortality among those affected by volcanic eruptions.”[9]

Impact on tree growth

Environmental effects on growth and survival of trees in Mexico from volcanic activity are significant. Using evidence from the effects of the 1855 - 1856 eruption of that Tacaná volcano and ash fall from the 1902 eruption of the Santa Maria volcano and the radial growth of trees at Tacaná. Because of these incidents, they caused two significant suppression events to happen. The first event took place from 1857 to 1868 which caused by the historic eruption of Tacaná, two years prior. A year later after the eruption of the Santa Maria volcano, the second suppression event started from 1903 to 1908, during which tree growth was affected by the thickness of ash fall from the eruption and deposited near each tree.[10] Another example that the impact of volcano eruptions on forest ecosystems can be the 1913 Plinian eruption of Volćan de Fuego, 7.7 km to the south. This event was one of the largest explosive eruptions in Mexico and produced ash flow deposits up to 40 m thick. Also, this indicated extremely low growth in 1913 and 1914, radio growth reduction was over 30% in 75% of the sampled trees.[citation needed]

See also

References

  1. ^ Cain, Fraser (2009-03-17). "What are the Different Types of Volcanoes?". Universe Today. Retrieved 2020-12-10.
  2. ^ 1980 eruption of Mount St. Helens
  3. ^ "Ashfall is the most widespread and frequent volcanic hazard". www.usgs.gov. Retrieved 2020-12-09.
  4. ^ "Lava flows destroy everything in their path". www.usgs.gov. Retrieved 2020-12-09.
  5. ^ "Lava flows destroy everything in their path". www.usgs.gov. Retrieved 2020-12-09.
  6. ^ News, •Vallarta Daily (2014-09-16). "Mexico is located in what is called the "Ring of Fire"". Puerto Vallarta News. Retrieved 2020-12-08. {{cite web}}: |last= has generic name (help)
  7. ^ "Plate Tectonics and the Ring of Fire". National Geographic Society. 2015-01-06. Retrieved 2020-12-08.
  8. ^ "Popocatepetl volcano covers Mexico City in volcanic ash". Christian Science Monitor. 2013-07-12. ISSN 0882-7729. Retrieved 2020-12-10.
  9. ^ Zuskin, Eugenija; Mustajbegović, Jadranka; Doko Jelinić, Jagoda; Pucarin-Cvetković, Jasna; Milosević, Milan (December 2007). "[Effects of volcanic eruptions on environment and health]". Arhiv Za Higijenu Rada I Toksikologiju. 58 (4): 479–486. doi:10.2478/v10004-007-0041-3. ISSN 0004-1254. PMID 18063533.
  10. ^ Allende, Teodoro Carlon, et al. "Evidence of volcanic activity in the growth rings of trees at the Tacana volcano, Mexico-Guatemala border." Canadian Journal of Forest Research, vol. 50, no. 1, Jan. 2020, pp. 65+. Gale Academic OneFile, link.gale.com/apps/doc/A614078581/AONE?u=anon~8f14ba8e&sid=googleScholar&xid=806bfba4. Accessed 28 May 2023.
This page was last edited on 29 February 2024, at 08:58
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