Dhulgariir xoog leh oo gaaraya 7.5 ayaa ka dhacay habeenimadii Arbacada 185 mayl Koofurta Jasiiradaha Daacadnimada. markay tahay 6.08 pm waqtiga maxaliga ah, Diseembar 5.
Masuuliyiinta maxalliga ah ee Vanuatu waxay soo saareen digniin tsunami oo maxalli ah, laakiin sida laga soo xigtay USGS ee Hawaii ma jirto wax digniin ah oo loogu talagalay Badweynta Baasifigga oo ay ku jiraan Guam iyo Hawaii.
Location:
- 168.2 km (104.3 mi) ESE ee Tadine, New Caledonia
- 254.4 km (157.7 mi) ESE ee W New Caledonia
- 298.9 km (185.3 mi) E ee Mont-Dore, New Caledonia
- 309.9 km (192.2 mi) E ee Dumba, New Caledonia
- 311.1 km (192.9 mi) E ee Noumea, New Caledonia
Bishii Diseembar 5, 2018, M 7.5 dhulgariir ka dhacay bariga magaalada New Caledonia ee koonfurta galbeed ee Badweynta Baasifigga ayaa ka dhashay cillad aan caadi ahayn oo hooseysa oo ka jirta qolofka badda ee saxanka Australia, dhanka galbeed ee koonfurta New Hebrides Trench taasoo calaamadeysa xadka saxanka u dhexeeya Taarikada Australia iyo Baasifigga ee gobolkan. Xalalka farsamooyinka farsamadu waxay muujinayaan cilad ku timid cillad dhexdhexaad dhexdhexaad ah oo ku dhacday waqooyi-galbeed ama koonfur-bari. Meesha uu dhulgariirkan ka dhacay, saxanka Australia wuxuu u dhaqaaqaa dhanka bari-waqooyi-bari iyadoo loo eegayo Baasifigga qiyaas ahaan qiyaastii 78 mm / yr. Koonfurta New Hebrides Trench, Australiya lithosphere waxay isugu tagtaa oo hoos u degtaa saxanka Baasifigga, hoos ugu degta gogosha oo sameysata aag subduction New Hebrides / Vanuatu, oo ka bilaabata New Caledonia ee koonfurta ilaa Santa Cruz Islands ee woqooyiga, masaafo fog qiyaastii 1,600 km. Bishii Diseembar 5, 2018, dhulgariirku wuxuu si aad ah ugu dhawaaday godkan, oo kaliya galbeedka, aagga tectonic ee mararka qaarkood loo yaqaan "kor u kaca dibadda" halkaasoo saxanka hoosaadku uu bilaabmayo inuu rogrogo (sii fidiyo) ka hor inta uusan quusin gogosha. Goobta, qotada dheer, iyo xalka habka farsamada dhulgariirkan ayaa dhamaantood la jaan qaadaya dhacdada ka dhalata cillad ku timaadda gudaha aaggan kor u kaca.
In kasta oo si guud loo qorsheeyey sidii dhibco khariidado ah, dhul gariir baaxaddiisu le'eg tahay ayaa si ku habboon loogu sharraxay inuu ku siiban karo aag weyn oo cillad leh. Dhacdooyinka cilladaha caadiga ah ee cabbirka dhulgariirkii Diseembar 5, 2018 caadi ahaan qiyaastii waa 75 × 30 km cabir ahaan (dherer dherer x).
Dhulgariirkii Diseembar 5, 2018 waa lixaad M 6+ dhulgariir ka dhaca gobolkan seddexdii bilood ee la soo dhaafay, waana qeyb ka mid ah dhacdooyinka isdaba jooga ah ee bilaabmay Ogosto 29th, 2018 oo leh M 7.1 dhexdhexaadin riixitaan khaldan dhulgariir dhanka bari ah ee Koofurta New Hebrides Trench iyo qiyaastii 70 km dhanka bari ee dhulgariirkii 5-tii Diseembar, 2018. Muddadan, qiyaastii 140 M 4+ dhulgariir ayaa laga diiwaan geliyey gobolkan USGS, inta badan waxay ku riixdaan dhulgariirro khaldan dhanka bari ee soohdinta saxanka. Dhulgariirkii maanta waxaa ka horreeyay 4 daqiiqo oo ah M 6.8 foreshock, oo qiyaastii 13 km ka sii jirta dhinaca galbeed ee qulqulka badda. Isku xigxiga si isku mid ah oo firfircoon ayaa dhacay intii u dhaxeysay Oktoobar-Diseembar 2017, kaliya woqooyiga dhacdooyinka 2018 iyo inta badan gobolka Dibedda. Isku xigxiga 2017 wuxuu ku lug lahaa kor u kaca dhacdooyinka 350 M4 +, oo ay ku jiraan toddobo dhacdooyin M6 + (iyo 1 M7 +).
Gobolka Loyalty Islands waa mid aad u firfircoon dhul gariirka, iyo gobolka u dhexeeya 250 km ee dhulgariirkii Diseembar 5, 2018 wuxuu martigaliyay 24 kale oo dhulgariir M 7+ ah qarnigii ka horreeyay. Midka ugu weyni wuxuu ahaa dhulgariirkii M 8.1 ee dhacay bishii Sebtember 1920, kaas oo ku yaal meel qiyaastii 230 km u jirta waqooyi-galbeed ee dhacdada maanta, oo keliya dhinaca bari ee godka badda. Shan ka mid ah dhulgariirkan “M 7+” ayaa ka dhacay dhinaca galbeed ee qulqulka badda, oo ay ku jiraan dhulgariir M 7.7 ah oo dhacay May 1995, koonfur-bari 125 km, a M 7.1 dhulgariir Janaayo 2004, 40 km koonfur-bari, iyo M7.0 aan soo sheegnay .2017 dhulgariir bishii Nofeembar 70, 2004km dhanka waqooyi-galbeed. Kuwaas midkoodna lama oga inuu sababay waxyeello ama dhimasho. Dhulgariirkii Janaayo 7.1 M 270 wuxuu sidoo kale qayb ka ahaa taxane firfircoon oo ku saabsan 2003 dhacdo, laga bilaabo Diseembar 7.3. Isdaba-jooggaas waxaa ku jiray labadaba isku-dheelitirnaanta dhulgariir dhulgariir (dhacdadii ugu weyneyd ee isku xigxigta waxay ahayd M 27 dhulgariir khaldan oo khaldan December 2003, 25) ) iyo dhulgariirro cillad caadi ah ka dhaca galbeedka qararka badda. Intii u dhexeysay Diisambar 2003, 3, iyo Janaayo 2004, 12, 6 dhulgariir oo ah M 2003+ ayaa dhacay. Tix-galkii 2004-2004 wuxuu aakhirkii dhintay horaantii-bartamihii bishii Febraayo ee XNUMX.
