Nangona urhulumente uhlelwe njengengozi ephantsi kakhulu yokuzamazama komhlaba, uMichigan unokuzamazama komhlaba. Enyanisweni, iinyikima ezininzi ziye zavezwa eDetroit naseMichigan, ngokukodwa ngaphakathi kwimihlaba yomhlaba ngasemngceleni osezantsi wePeninsula yezantsi.
Ukuzamazama komhlaba nge-Epicenter eMichigan
Ngelixa ezininzi iinyikima zokuxubha urhulumente zihlala zivela kwimpembelelo ngaphandle kwayo, kuye kwabakho iinyikima zeentlanzi ngaphakathi eMichigan.
Enye yezona ziqineleyo zabhalwa ngo-1905 kwi-Peninsula yaseKeenaw kwi-Pondinsula ephezulu, apho yayivelelwa njenge-VII.
Inyikima enkulu kunazo zonke kwilizwe, ubuncinane ngokwemigaqo ye-Geological Survey yase-US, yavela eMzantsi-Central Central Michigan ngo-1947, apho yayivelelwa njenge-VI ngamandla kwaye yabangela umonakalo kwimimandla entshona-mpuma yeKalamazoo. Ukugubha komhlaba kwakuvelele kude naseCleveland, eOhio; Cadillac, Michigan, Chicago, Illinois; kunye noMuncie, e-Indiana.
Ezinye iindyikima ezinokuthi zihlasele eMichigan ziquka:
- 1872: iWenona
- 1877: iRedford neGreenfield Village
- 1883: I-Kalamazoo (ivakalelwa njengamandla VI)
- Ngowe-1905: i-Menominee (ivakalelwa njenge-V)
- Ngo-1906 no-1909: uLwandle oluPhezulu
Ukuzamazama komhlaba ngaphandle koMbuso ukuxubusha uRhulumente
Ubume obunzima boluhlu oluqhutyelwa kulo lonke iMidwest luvumela amagagasi e-seismic ukuba ahambe kwiindawo ezikude nakude, ngokuqhelekileyo kwimizila yelizwe. Eyona mkhulu ubukhulu, ukuqhubeka kwenzeka inyikima.
Oku kuthetha ukuba i-epicenter yenyikima ayifanele ukuba ivele eMichigan ukuba iqhube umhlaba.
Ngokomzekelo, iziphene ngaphakathi kwiNew Madrid Area Seismic Zone zinoxanduva lweenqakraza ezinyikima ngo-1811 kunye no-1812 ezikwazi ukugubha umhlaba eMichigan. Enyanisweni, ukuzulazula komhlaba kwiDetroit ukusuka kwiimyikima ziye zavakalelwa njenge-V kwi-Mercalli Ukuqukumbeka kweNyikima komhlaba, umlinganiselo we-Seismic intensity.
Okunye ukuzamazama komhlaba bevelele eMichigan
- 1870: Inyikima yavela eSintown Lawrence phakathi kweMontreal neQuebec eCanada.
- 1886: Inyikima yavela eCharleston, eSouth Carolina, apho ibhaliswe khona ubukhulu be-7.3 kwaye yayivelelwa njenge-X enamandla. E-Detroit, yayivelelwa njengexinzelelo II-III, ngelixa e Chicago kwakuvelelwa njengamandla.
- 1895: Inyikima enkulu yavela eCharleston, eMissouri.
- 1925: Inyikima yavela kuMmandla waseSt. Lawrence eQuebec, eCanada. Kwakuvezwa kwiGrand Rapids njengobungakanani V.
- Ngowe-1935: Ukuzamazama kwenyikima komhlaba 6.1 kwinqanaba elikhulu livela eTimiskaming Quebec. Ukuxubha komhlaba kwakuvelelwa kuMat. Clemens kunye nePort Huron njengamandla.
- Ngowe-1937: Ukuzamazama kwenyikima engama-5.4 kwinqanaba elincinci lavela entshona yeOhio, apho bekubonakala ngathi yintliziyo yeVIII.
- 1944: Inyikima yavela kuMmandla woMlambo waseSt. Lawrence eMasena, eNew York waza waziva eDetroit.
- Ngowe-1968: Ukuzamazama kwenyikima engama-5.4 kwinqanaba elincomekayo lavela eMzantsi-Central Illinois, apho kwakucinga ukuba yi-VII. Kwaye kwavezwa kuma-23, kuquka ukunyanzela kwimi-III ukuya eDetroit naseMichigan.
- Ngowe-1975: Ukuzamazama komhlaba oku-6.2 kwinqanaba elincomekayo lavela kwimpuma ye-Idaho, apho kwakucinga ukuba yi-VIII.
- 1980: Inyikima yokubhalisa i-5.2 kwinqanaba elikhulu livela kumpuma-ntshona eKentucky, apho yayivelelwa njenge-VII. Kwakuvakalelwa njengexinzelelo II-III kwimzantsi yeMichigan.
- Ngowe-1983: Ukuzamazama kwenyikima engama-5.3 kwinqanaba elincinci lavela kwi-Blue Mountain Lake yaseNew York, apho kwakucinga ukuba yi-VI. I-Detroit yayisekupheleni kwendawo echaphazelekayo yindyikima kwaye yabona njengobunzima II-III.
- Ngowe-1987: Ukuzamazama kwenyikima ye-5.1 kwi-scale scale kuye kwavela e-Olney, e-Illinois.
- Ngo-1998: Ukuzamazama kwenyikima komhlaba e-5.2 kwi-scale scale yavela ePennsylvania, ngasempumalanga yeCleveland.
- 2000: Inyikima yokubhalisa i-5.2 kwinqanaba elikhulu livela eKipawa, eQuebec.
- 2008: Inyikima yokubhalisa i-5.4 kwinqanaba elikhulu livela kumzantsi-mpuma we-Illinois ngo-Ephreli 18. Kwaye kwavezwa njengobunzima be-II-IV kwiindawo ezahlukeneyo naseDetroit.
Umsebenzi wangoku
Inyikima yokugqibela eMichigan yenzeke ngoSeptemba 2, 1994 ngaphandle kweLansing kunye ne-3.5 ebhalisiweyo kwizinga eliphezulu.
Inyikima ebonakalayo ebonakalayo kufuphi neMichigan ngo-2011 ivela e-Arkansas (ubukhulu be-4.7) ngoFebhuwari 28, 2011 kunye neVirginia (ubukhulu 5.8) ngo-Agasti 23. Inyikima yaseVirginia yavezwa kwiindawo ezahlukahlukeneyo eziseDetroit njenge-Intensity II-III.
Imithombo kunye nolwazi olungakumbi:
- Ukuguquka komhlaba kokugqibela eMichigan / USGS
- Imbali yokuThuthukiswa komhlaba eMichigan / USGS
- Ukuzamazama komhlaba okukhulu kunazo zonke eMichigan / i-US Geological Survey
- Ukuzamazama komhlaba kweMadrid ka-1811-12 / US Geological Survey