Granada yanki ne da ake yawan girgizar asa akai-akai. Ko da yake ba su da girma da kuma girgizar ƙasa mai haɗari, amma suna da yawa. Duk wannan yana nufin cewa dole ne masana kimiyya su kara nazari game da wannan yanki na Iberian Peninsula da kuma yiwuwar sakamakon girgizar kasa da yawa. mutane da yawa suna mamaki me yasa ake yawan girgizar kasa a Granada.
Saboda wannan dalili, za mu sadaukar da wannan labarin don gaya muku zurfafan dalilin da yasa ake samun girgizar asa da yawa a Granada da irin sakamakon da suke haifarwa.
Me yasa ake yawan girgizar kasa a Granada?
Yana da al'ada ga Duniya ta ɗan girgiza kuma akai-akai a cikin Basin Granada, ɗaya daga cikin wuraren da ke da haɗarin girgizar ƙasa mafi girma a tsibirin. Girgizar kasa da aka ji a garuruwan Granada kamar Atarfe, Santa Fe ko Vegas del Genil sun faru ne sakamakon girgizar kasa da ta faro a farkon watan Disamba kuma aka sake farfado da su a watan Janairu.
Ana Crespo Blanc, farfesa a fannin nazarin yanayin kasa a jami'ar Granada kuma kwararre kan girgizar kasa, ya bayyana cewa girman girgizar kasar yana da alaka da tsayin dakaru da aka yi, wanda ke da alaka da tsayin daka. A Granada yana da nisan kilomita 20 ko 25 kawai, don haka yana da wuya a sami barnar girgizar ƙasa mai ƙarfi kamar waɗanda za su iya faruwa a San Francisco (Amurka).
Dalilin ayyukan girgizar kasa na yanzu shine rikici tsakanin faranti na tectonic na Afirka da Iberian. "Muna kan iyakar faranti wanda ke motsawa 5 millimeters a shekara, kuma wannan nakasar na iya haifar da maimaita girgizar kasa,” in ji Crespo.
Menene girgizar girgizar kasa
Wannan jinkirin motsi na faranti na iya haifar da girgizar asa daban-daban, waɗanda aka sani da swarms na girgizar ƙasa, a yankunan da ke kusa.
Manuel Regueiro, shugaban kwalejin kimiyyar kasa, ya yi nuni da cewa: “Sanarwar tashin hankali da ke faruwa a cikin kurakurai, wanda shine tsagewar dutse, idan mutum ya motsa yana haifar da sarka, kuma dukkansu suna motsawa kuma suna haifar da kowane laifi." A cewar masu binciken, zurfin girgizar kasa na karshe ya kusan kusan sifili, kuma karfinta ya kara yanayin wayar da kan jama'a saboda, a sama, 'yan kasar sun fi fahimtar hakan.
Idan girgizar ta yi zurfi, har ma ta fi karfi, igiyar ruwa za ta yi rauni kuma ba za ta ji a saman ba. Ka tuna daga IGN cewa girgizar kasa ta 2010 ta fi girma a yanzu (6,2 akan ma'aunin Richter) amma, saboda ya yi zurfi, ya yi ƙasa da ƙarfi.
Sakamakon girgizar kasa da aka yi a safiyar yau a Granada, an sami girgizar kasa sama da 40 kuma an ji ta a wasu larduna 6 na Andalus, 30 daga cikinsu sun faru cikin sa'o'i uku. Ma'aunin ma'aunin ma'aunin ma'aunin girgizar kasa ya kai 4,3 da 4,2, tare da wata girgizar kasa a Santa Fe. Tasirin girgizar kasar ya girgiza mutanen Granada, wadanda duk da sun saba da motsin girgizar kasa, ya bar su a daren jiya.
Girgizar kasa akan gajerun kurakurai
"Girgizar kasa a nan yana kan ɗan gajeren layin kuskure," in ji shi, ya kara da cewa jin kuma ya dogara da wurin da gidan yake. A cikin m yankunan da sabon abu ba a bayyana, kuma a cikin Vega yankin, inda Santa Fe ko Atarfe ne. yana ƙarawa saboda ƙasan ƙasa ba ta da ƙarfi.
Zurfinsa kuma yana shafar tasirin girgizar ƙasa. Matsakaicin digiri 3,1 da aka rubuta da tsakar rana ranar Talata ya faru ne kawai 5km nesa: "Maƙwabta sun ji cewa al'ada ce kuma ta fi a yankin."
Jesús Galindo, farfesa na geodynamics a Jami'ar Granada, ya nemi ƙarin kudade don samun damar tattara bayanan da suka dace don hasashen irin wannan taron. "Muna da kayan aikin, amma muna bukatar kudade," in ji shi, yayin da tashin hankali ya barke kan kurakurai na tsawon kilomita goma sha biyu a Granada, wanda ya haifar da irin wannan motsi a wasu yankuna na kusa.
Ta wannan hanyar, ya yi annabta cewa "za a sami wasu jerin makamantan su a nan gaba, kamar yadda a baya." Haɗin kai na Eurasia da Afirka ya sa yankin tsaunin Betik, Teku ya rufe shekaru miliyan 10 da suka wuce, sauran kuma an ɗaga su sama da ƙasa ta yadda ƙasa ta fi fice. “Akwai kurakurai kanana da matsakaita da yawa a yankin Vega, wadanda wuraren da makamashi ke ta’allaka ne. Suna iya haifar da girgizar ƙasa mai girma da ko rage 5».
A kowane hali, “Ginayen yau sun fi na da kyau.. Su ne tsarin da ke tsayayya. Za a datsa ko suturar facade. "
Junta de Andalucia ya shirya fuskantar girgizar ƙasa
Elías Bendodo, Ministan Shugaban kasa, Gudanarwar Jama'a da Harkokin Cikin Gida, ya ruwaito a wannan Laraba cewa hukumar tana ci gaba da "ci gaba da sanya ido" kan tarzomar girgizar kasa da ta shafi Granada da babban birninta, idan ya zama dole. lokacin farawa na shirin sa na gaggawa don haɗarin girgizar ƙasa a halin yanzu yana cikin matakin gaggawa, domin bisa ga bayanan masana, jerin girgizar asa na iya tsawaita tsawon lokaci.
A ziyarar da ya kai Cibiyar Bayar da Agajin Gaggawa ta 112 a lardin Granada, Bondodo ya kuma ziyarci Cibiyar Nazarin Geophysics da Rigakafin Masifu na Seismic na Andalusian kuma ya shaida da farko jerin ayyukan da ke da alaƙa da girgizar ƙasa da ta faru a yankin Granada na Vega.
Bondodo ya ce ya fahimci "tsoron gaba daya da rashin tabbas" na Granada a lokuta irin na yanzu, ya kuma kara da cewa "Andalusiya a shirye take ta fuskanci wadannan abubuwan da ke faruwa saboda muna da agajin gaggawa a sahun gaba a kasar." yana yiwuwa a ba da tabbacin tsaro da shiga tsakani ta amfani da takamaiman ka'idoji a kowane lokaci."
Me yasa ake yawan girgizar ƙasa a Granada akai-akai
Yankin nakasassun ya kai kudu maso gabas zuwa tekun Alberan, inda wata babbar girgizar kasa ta afku a shekarar 2016, inda sama da mutane 20 suka jikkata a Melilla. Bayan haka, ci gaba da zuwa Al Houcemas a Maroko, wanda kuma ya fuskanci mummunar girgizar kasa a 2004.
Wasu daga cikin muhimman girgizar asa da aka rubuta a yankin Iberian Peninsula sun faru kusa da Granada. Irin wannan lamari ne na Arenas del Rey a shekara ta 1884, wanda ya kashe mutane fiye da 800 kuma ya lalata dubban gine-gine; Albolote, a cikin 1956, tare da mutuwar mutane 11, ko Dúrcal, ɗaya daga cikin mafi ƙarfi bayanan da aka taɓa yi a ƙasarmu. wanda girmansa ya kai 7.8, amma bai yi barna sosai ba tun da ya faru a zurfin kilomita 650.
Kafin wannan girgizar kasa, a shekara ta 1431, girgizar kasa mai karfin awo 6,7 ta afku a Granada, a lokacin daular musulmi, kuma ta yi barna mai yawa ga Alhambra. Girgizar kasa mai karfin awo 4,5 da ta afku a ranar Talata ita ce mafi muni a cikin shekaru 40 da suka gabata, kuma za a koma 1964 don gano wani ma'aunin Richter 4,7.
Ina fatan da wannan bayanin zaku iya ƙarin koyo game da dalilin da yasa ake yawan girgizar ƙasa a Granada.