Letusan dan tsunami Hunga Tonga 2022: Perbedaan antara revisi
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| end_date = Berlangsung
| volcano = [[Hunga Tonga]]
| type = [[Letusan Plinian|Plinian]]
| location = [[Samudra Pasifik]], [[Tonga]]
| coordinates = {{coord|20.550|S|175.385|W|name=Hunga Tonga}}
| VEI =
| map = {{Location map|Tonga#Samudra Pasifik
| width = 250
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Sebuah letusan besar yang bermula pada 14 Januari mengirimkan awan abu sejauh 20 kilometer ke atmosfer.<ref name="RNZ 1">{{cite news |title=Underwater volcano Hunga-Tonga-Hunga-Ha'apai erupts again |url=https://www.rnz.co.nz/international/pacific-news/459572/underwater-volcano-hunga-tonga-hunga-ha-apai-erupts-again |access-date=15 January 2022 |work=[[Radio New Zealand]] |date=14 January 2022 |archive-date=14 January 2022 |archive-url=https://web.archive.org/web/20220114115608/https://www.rnz.co.nz/international/pacific-news/459572/underwater-volcano-hunga-tonga-hunga-ha-apai-erupts-again |url-status=live}}</ref> Pemerintah Tonga mengeluarkan peringatan tsunami kepada warga.<ref name="1News2">{{cite news |title=Tonga tsunami warning lifted, volcano still being monitored |url=https://www.1news.co.nz/2022/01/15/tonga-tsunami-warning-lifted-volcano-still-being-monitored/ |access-date=15 January 2022 |work=[[1 News]] |date=14 January 2022}}</ref> Geologiwan Tonga di dekat gunung berapi mengamati ledakan dan kolom abu selebar 5 kilometer.<ref>{{cite web |url=https://matangitonga.to/2022/01/15/tongan-geologists-stunning-Jan14eruptions |title=Tongan geologists observe stunning eruptions at Hunga |publisher=Matangi Tonga |date=15 January 2022 |access-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115054357/https://matangitonga.to/2022/01/15/tongan-geologists-stunning-Jan14eruptions |archive-date=15 January 2022}}</ref>
Keesokan harinya, letusan yang jauh lebih besar terjadi sekitar 17:15 (04:15 UTC).<ref name="ANSS5.8"/> VAAC kembali menerbitkan pemberitahuan kepada maskapai penerbangan.<ref>{{cite web |url=http://vaac.metservice.com/dynamic/vaa/243040_2022_18.txt |title=VA ADVISORY |publisher=VAAC Wellington |date=15 January 2022 |access-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115055857/http://vaac.metservice.com/dynamic/vaa/243040_2022_18.txt |archive-date=15 January 2022}}</ref> Abu dari letusan ini mendarat di pulau utama Tonga sehingga menutupi matahari dan mengubah siang menjadi malam. Ledakan keras terdengar di Nuku'alofa serta batu-batu kecil dan abu menghujani dari langit.<ref>{{cite web |url=https://www.kanivatonga.nz/2022/01/new-tsunami-warning-as-waves-hitting-tonga/ |title=New tsunami warning as waves hitting Tonga |publisher=Kaniva Tonga |date=15 January 2022 |access-date=15 January 2022}}</ref> Banyak penduduk di Tonga terjebak dalam kemacetan saat mencoba melarikan diri ke tempat yang lebih tinggi.<ref name="Cheer">{{cite news |author1=Louise Cheer |title=Tsunami hits Tonga after 'catastrophic' volcano eruption |url=https://au.news.yahoo.com/tsunami-hits-tonga-after-catastrophic-volcano-eruption-060809732.html |access-date=15 January 2022 |work=Yahoo News Australia |date=15 January 2022}}</ref> Ledakan itu terdengar hingga Samoa kira-kira sejauh 840 kilometer sebelum suara itu menyebar ke negara-negara yang lebih jauh.<ref>{{Cite web |last=Fijivillage |title=Loud thundery sounds being experienced in Fiji are from the huge volcanic eruption in Tonga |url=https://www.fijivillage.com/news/Loud-thundery-sounds-being-experienced-in-Fiji-are-from-the-huge-volcanic-eruption-in-Tonga--5r4xf8/ |url-status=live |access-date=15 January 2022 |website=www.fijivillage.com |language=en |archive-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115065202/https://www.fijivillage.com/news/Loud-thundery-sounds-being-experienced-in-Fiji-are-from-the-huge-volcanic-eruption-in-Tonga--5r4xf8/}}</ref><ref>{{cite news |url=https://www.stuff.co.nz/world/south-pacific/300496665/screams-everywhere-tsunami-waves-crash-through-homes-in-tonga-after-eruption |title='Screams everywhere': Tsunami waves crash through homes in Tonga after eruption |first1=Hannah |last1=Martin |first2=Skara |last2=Bohny |first3=Stephanie |last3=Ockhuysen |first4=Torika |last4=Tokalau |work=[[Stuff (website)|Stuff]] |date=15 January 2022}}</ref> Penduduk di Fiji mendengar suara guntur
Aktivitas [[petir]] yang intens tercatat selama tahap letusan. Jaringan Deteksi Petir Nasional Vaisala mendeteksi petir dalam bentuk [[gelombang radio]]. Ratusan hingga ribuan kilatan petir direkam oleh sistem selama dua minggu sebelum letusan. Dari 14 hingga 15 Januari 2022, puluhan ribu kilatan petir terjadi.<ref
Pengamatan awal menunjukkan bahwa kolom letusan menyemburkan banyak material vulkanik ke stratosfer. Letusan itu berpotensi menyebabkan beberapa efek iklim sementara.<ref>{{cite tweet |user=Weather_West |number=1482371720237490178 |title=It appears likely that massive Hunga-Tonga eruption produced powerful enough eruption plume to inject significant amount of material well into stratosphere. Violent eruption of tropical volcano like this fits profile of event that could have small, temporary climate effect...}}</ref> Ilmuwan dari [[Universitas Auckland]] menggambarkan letusan ini sebagai peristiwa sekali dalam seribu tahun.<ref>{{cite web|date=16 January 2022|title=Tonga volcano eruption and tsunami: No power, communications still down|url=https://www.rnz.co.nz/international/pacific-news/459628/tonga-volcano-eruption-and-tsunami-no-power-communications-still-down|url-status=live|access-date=16 January 2022 |publisher=RNZ|archive-date=15 January 2022|archive-url=https://web.archive.org/web/20220115220452/https://www.rnz.co.nz/international/pacific-news/459628/tonga-volcano-eruption-and-tsunami-no-power-communications-still-down}}</ref><ref>{{cite web|url=https://theconversation.com/why-the-volcanic-eruption-in-tonga-was-so-violent-and-what-to-expect-next-175035|title=Why the volcanic eruption in Tonga was so violent, and what to expect next|publisher=The Conversation|author=Shane Cronin|date=16 January 2022|access-date=16 January 2022|archive-date=15 January 2022|archive-url=https://web.archive.org/web/20220115220616/https://theconversation.com/why-the-volcanic-eruption-in-tonga-was-so-violent-and-what-to-expect-next-175035|url-status=live}}</ref>
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Di [[Fiji]], tolok pasang surut di [[Suva]] merekam gelombang berukuran 20 sentimeter pada 17:40. Beberapa aktivitas tsunami juga dilaporkan di [[Kepulauan Lau]].<ref name="Turaga" /> Pulau [[Pulau Moce|Moce]], [[Pulau Moala|Moala]], [[Pulau Kadavu|Kadavu]], dan [[Pulau Taveuni|Taveuni]] dilanda tsunami tingkat rendah yang memicu banjir.<ref>{{Cite web|date=16 January 2022|title=Tongan tsunami felt around the Pacific|url=https://www.rnz.co.nz/international/pacific-news/459626/tongan-tsunami-felt-around-the-pacific|url-status=live|access-date=15 January 2022|website=RNZ|language=en-nz|archive-date=15 January 2022|archive-url=https://web.archive.org/web/20220115175141/https://www.rnz.co.nz/international/pacific-news/459626/tongan-tsunami-felt-around-the-pacific}}</ref>
Di [[Samoa Amerika]], tsunami berukuran 0,61 meter tercatat oleh tolok pasang surut.<ref name="Smith" /> Meskipun [[Niue]] diterjang gempa, tetapi tiada tsunami yang dilaporkan meskipun terletak dekat dengan Tonga dan penduduk dievakuasi dari daerah pesisir.<ref name=tvniue/>
Gelombang tsunami merusak antara 1 dan 2,5 meter diamati di beberapa pulau [[Vanuatu]]. Departemen Meteorologi & Geobahaya Vanuatu mengatakan aktivitas tsunami diperkirakan akan bertahan hingga malam 15 Januari.<ref name="vmgd">{{cite web |title=Tsunami Advisory number 5 for Vanuatu issued by Vanuatu Meteorology and Geo-Hazards Department, Port-Vila at 01:01am, January 16, 2022 |url=https://www.vmgd.gov.vu/vmgd/index.php/warnings/tsunami-adivsory |publisher=Vanuatu Meteorology & Geo-Hazards Department |access-date=15 January 2022 |date=15 January 2022 |archive-date=2 December 2021 |archive-url=https://web.archive.org/web/20211202165928/https://www.vmgd.gov.vu/vmgd/index.php/warnings/tsunami-adivsory |url-status=live }}</ref> Gelombang setinggi 0,8 meter tercatat di [[Hanalei]], [[Hawaii]].<ref name="gbp" />
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=== Asia ===
Di [[Amami]], [[Prefektur Kagoshima|Kagoshima]], [[Jepang]], tsunami setinggi 1,2 meter dilaporkan pada 11:55 [[Waktu Standar Jepang|JST]]. Di [[Tosashimizu]], [[Prefektur Kochi|Kochi]], tsunami setinggi 0,9 meter.<ref name="TBS">{{cite news |title=【速報】各地で津波を観測 |url=https://news.tbs.co.jp/newseye/tbs_newseye4448812.html |access-date=15 January 2022 |work=[[TBS News]] |date=16 January 2022 |language=ja |archive-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115161218/https://news.tbs.co.jp/newseye/tbs_newseye4448812.html |url-status=live }}</ref><ref name="toonippo">{{cite news |title=津波情報=気象庁発表(津波観測に関する情報) |url=https://www.toonippo.co.jp/articles/-/832840 |access-date=15 January 2022 |work=Web Tooku |date=16 January 2022 |language=ja |archive-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115170704/https://www.toonippo.co.jp/articles/-/832840 |url-status=live }}</ref> Tsunami berukuran 0,9 meter juga dilaporkan di [[Chichijima]] Futami.<ref name="Sankei">{{cite news |title=奄美に1・2メートルの津波到達 トンガ噴火影響か |url=https://www.sankei.com/article/20220116-XAGFJOVSKRO57HUWY5PSLWOAWI/ |access-date=15 January 2022 |work=[[Sankei Shimbun]] |date=16 January 2022 |language=ja |archive-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115160429/https://www.sankei.com/article/20220116-XAGFJOVSKRO57HUWY5PSLWOAWI/ |url-status=live }}</ref> Di pantai Tohoku, gelombang setinggi 0,7 meter melanda pada 00:38 16 Januari. Di Pelabuhan [[Sendai]], tsunami mencapai 0,9 meter pada 00:08.<ref name="kahoku">{{cite news |title=仙台港などでも津波観測 トンガ沖・海底火山噴火 |url=https://kahoku.news/articles/20220116khn000002.html |access-date=15 January 2022 |work=Kahoku News |date=16 January 2022 |language=ja |archive-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115171633/https://kahoku.news/articles/20220116khn000002.html |url-status=live }}</ref> Di [[Prefektur Iwate|Iwate]], tsunami setinggi 1,1 meter tercatat pada 02:26 16 Januari. Gelombang tsunami kurang dari satu meter dilaporkan di sepanjang pantai Pasifik [[Hokkaido]]. Ini adalah peringatan tsunami pertama di negara ini sejak [[gempa bumi Fukushima 2016]].<ref name="JP">{{cite news |title=Japan's Pacific coast hit by tsunami waves after Tonga eruption |url=https://www.japantimes.co.jp/news/2022/01/16/national/japan-tsunami-tonga-volcano/ |access-date=16 January 2022 |work=[[The Japan Times]] |date=16 January 2022 |archive-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115191114/https://www.japantimes.co.jp/news/2022/01/16/national/japan-tsunami-tonga-volcano/ |url-status=live }}</ref> JMA menyebut tsunami melanda 2,5 jam lebih awal daripada yang diperkirakan.<ref>{{cite news |title=JMA: Tsunami from eruption lacks usual features |url=https://www3.nhk.or.jp/nhkworld/en/news/20220116_34/ |access-date=16 January 2022 |work=[[NHK]] |date=16 January 2022 |archive-date=16 January 2022 |archive-url=https://web.archive.org/web/20220116105730/https://www3.nhk.or.jp/nhkworld/en/news/20220116_34/ |url-status=live }}</ref>
[[Kepulauan Kuril]] di Rusia dilanda gelombang tsunami setinggi sekitar 20 sentimeter.<ref name=nyt_16012022/><ref name=":1">{{Cite web|last=Храмова|first=Светлана|last2=Гуськова|first2=Анастасия|date=2022-01-15|title=На Курилах объявили угрозу цунами|trans-title=Threat of tsunami has been declared in Kuril Islands|url=https://iz.ru/1277660/2022-01-15/na-kurilakh-obiavili-ugrozu-tcunami|url-status=live|archive-url=https://web.archive.org/web/20220115191545/https://iz.ru/1277660/2022-01-15/na-kurilakh-obiavili-ugrozu-tcunami|archive-date=15 January 2022|access-date=2022-01-16|website=Известия|language=ru}}</ref> Dua pelabuhan telah diperingatkan terkait ini.<ref name=":1"/>
=== Amerika ===
Gelombang tsunami
Di [[Pantai Pasifik Meksiko|pantai]] [[Guerrero]], [[Colima]], dan [[Semenanjung Baja California]], Meksiko, kenaikan permukaan laut dilaporkan dengan gelombang 0,30 meter hingga 0,61 meter.<ref>{{Cite web |last= |first= |date=2022-01-15 |title=México presentó elevación del nivel del mar en las costas del Pacífico por explosión de volcán en Tonga |url=https://www.infobae.com/america/mexico/2022/01/15/mexico-presento-en-las-costas-del-pacifico-elevacion-del-nivel-del-mar-por-explosion-de-volcan-en-tonga/ |access-date=2022-01-15 |website=[[Infobae]] |language=es-MX |archive-date=15 January 2022 |archive-url=https://web.archive.org/web/20220115182359/https://www.infobae.com/america/mexico/2022/01/15/mexico-presento-en-las-costas-del-pacifico-elevacion-del-nivel-del-mar-por-explosion-de-volcan-en-tonga/ |url-status=live }}</ref> Tingkat pasang maksimum 2,05 meter di [[Manzanillo]], Colima menurut Layanan Mareografi Institut Geofisika [[Universitas Otonom Nasional Meksiko]]. Tsunami ini memiliki amplitudo 1,19 meter di [[Zihuatanejo]]. Gelombang di bawah 1 meter tercatat di [[Acapulco]], [[Huatulco]], dan [[Salina Cruz]].<ref name="Paudal">{{cite news |title=Tonga: Tide in Manzanillo rose more than two meters due to tsunami |url=https://www.paudal.com/2022/01/16/tonga-tide-in-manzanillo-rose-more-than-two-meters-due-to-tsunami/ |access-date=16 January 2022 |work=Paudal |date=16 January 2022 |archive-date=16 January 2022 |archive-url=https://web.archive.org/web/20220116050630/https://www.paudal.com/2022/01/16/tonga-tide-in-manzanillo-rose-more-than-two-meters-due-to-tsunami/ |url-status=live }}</ref>
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