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EXPLAINER: How volcanic explosion sent tsunami waves to Tonga

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<p>MANILA – How did a volcanic explosion in the Pacific Ocean on Sunday send tsunami waves to Tonga, Japan, and even as far away as the United States?</p><blockquote class="twitter-tweet"><p dir="ltr" lang="en">This is the <a href="https://twitter.com/hashtag/volcano?src=hash&amp;ref_src=twsrc%5Etfw">#volcano</a> eruption near <a href="https://twitter.com/hashtag/Tonga?src=hash&amp;ref_src=twsrc%5Etfw">#Tonga</a> that has prompted a <a href="https://twitter.com/hashtag/Tsunami?src=hash&amp;ref_src=twsrc%5Etfw">#Tsunami</a> Advisory for the U.S. West Coast and <a href="https://twitter.com/hashtag/Hawaii?src=hash&amp;ref_src=twsrc%5Etfw">#Hawaii</a>. It occurred at 0410 UTC today, 1/15/22, and could be heard across the South Pacific and as far away as Alaska. <a href="https://t.co/veNxgO2NuY">https://t.co/veNxgO2NuY</a> <a href="https://t.co/8mfX0AouUF">pic.twitter.com/8mfX0AouUF</a></p>— UW-Madison CIMSS (@UWCIMSS) <a href="https://twitter.com/UWCIMSS/status/1482389364332191746?ref_src=twsrc%5Etfw">January 15, 2022</a></blockquote><div><script async="" src="https://platform.twitter.com/widgets.js" charSet="utf-8" type="text/javascript"></script></div><div class="embed-wrap"><figure data-feedback="fb:likes,fb:comments"><img alt="The eruption of an underwater volcano off Tonga, which triggered a tsunami warning for several South Pacific island nations, is seen in an image from the NOAA GOES-West satellite taken at 05:00 GMT January 15, 2022. CIRA/NOAA/Handout via Reuters" src="https://sa.kapamilya.com/absnews/abscbnnews/media/2022/news/01/17/2022-01-15t153215z_745574830_rc2mzr9yq3wr_rtrmadp_3_tonga-volcano.jpg"/><figcaption>The eruption of an underwater volcano off Tonga, which triggered a tsunami warning for several South Pacific island nations, is seen in an image from the NOAA GOES-West satellite taken at 05:00 GMT January 15, 2022. <em>CIRA/NOAA/Handout via Reuters</em></figcaption></figure></div><p>In this interview, PHIVOLCS Director Renato Solidum talks about the science behind volcanic explosion and tidal waves, and discusses whether or not a similar event can happen in the Philippines.</p><div><strong>--ANC, 17 January 2022</strong></div><ul class="op-related-articles">	<li><a href="https://news.abs-cbn.com/overseas/01/16/22/volcano-triggers-tonga-tsunami-alerts-from-japan-to-us">Volcano triggers Tonga tsunami, alerts from Japan to US</a></li>	<li><a href="https://news.abs-cbn.com/overseas/01/16/22/tonga-volcano-caused-significant-damage">Huge Tonga volcanic eruption caused &#x27;significant damage&#x27;</a></li></ul>

How did a volcanic explosion in the Pacific Ocean on Sunday send tsunami waves to Tonga, Japan, and even as far away as the United States?