Current Events > Tsunami advisory for the US West Coast after underwater Volcano eruption

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DepreceV2
01/15/22 9:07:07 AM
#1:


I dont remember seeing something like this before. Advisory for the West Coast and Alaska. Expected to hit between 7 and 7:30AM.

https://www.cnn.com/2022/01/15/asia/tsunami-warning-tonga-volcano-intl-hnk/index.html

A tsunami has hit Tonga's largest island, Tongatapu, and reportedly sent waves flooding into the capital after an underwater volcano in the South Pacific exploded in a violent eruption on Saturday, sending a cloud of ash and gas steam into the air.

A tsunami warning has been issued for the islands of Tonga. Tsunami advisories have also been issued for New Zealand's North Island and the west coast of the United States from California to Alaska, as well as Canada's British Columbia.

Satellite imagery shows a massive ash cloud and shockwaves spreading from the eruption.

Waves crossed the shoreline of Tonga's capital, Nuku'alofa, on Saturday, flowing onto coastal roads and flooding properties, according to CNN affiliate Radio New Zealand (RNZ).

Tonga's King Tupou VI was evacuated from the Royal Palace after the tsunami flooded the capital, RNZ reported, citing local media reports that a convoy of police and troops rushed the monarch to a villa at Mata Ki Eua.
Residents headed for higher ground, RNZ said, as waves swept the palace grounds, waterfront and main street.
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Ash was falling from the sky in Nuku'alofa on Saturday evening and phone connections were down, RNZ said.

The Hunga-Tonga-Hunga-Ha'apai volcano first erupted Friday, sending a plume of ash 20 kilometers (12.4 miles) into the air, according to RNZ.

A second eruption hit on Saturday at 5:26 p.m. local time, RNZ reported.

Australia's Bureau of Meteorology said it recorded a tsunami wave of 1.2 meters (about 4 feet) near Nuku'alofa at 5:30 p.m. local time on Saturday.

The Pacific Tsunami Warning Center said tsunami waves of 2.7 feet (83 cm) were observed by gauges at Nuku'alofa and waves of 2 feet at Pago Pago, the capital of American Samoa, Reuters reported.

Jese Tuisinu, a television reporter at Fiji One, posted a video on Twitter showing large waves washing ashore, with people trying to escape the incoming water in their vehicles. "It is literally dark in parts of Tonga and people are rushing to safety following the eruption," he said in another tweet.

The volcano is located about 30 kilometers (18.6 miles) southeast of Tonga's Fonuafo'ou island, according to RNZ, and about 65 kilometers (40 miles) north of Nuku'alofa.

In addition to the tsunami warning, Tonga's Meteorological Services have issued advisories for heavy rain, flash flooding and strong winds in lands and coastal waters.
The nearby island of Fiji has also issued a public advisory asking people living in low lying coastal areas to "move to safety in anticipation of the strong currents and dangerous waves."

A tsunami advisory is also in effect for the Pacific island nation of Vanuatu, according to its National Disaster Management Office, with residents advised to move away from the coastline and seek higher ground.
A tsunami watch is in effect for all Samoan low-lying coastal areas, the Samoa Meteorological Service said. "All people living on low-lying coastal areas are advised to stay away from beach areas," the agency said, and the public should refrain from visiting coastal areas.

Warning for US

A tsunami advisory is now in effect for the US west coast including the states of California, Oregon, Washington and Alaska, according to the NWS National Tsunami Warning Center in Palmer, Alaska.

Dave Snider, Tsunami Warning Coordinator at the National Tsunami Warning Center in Palmer, Alaska, told CNN, "We have seen the wave moving through Hawaiian Island."
Current observations are that the wave is one-to-two feet high heading toward the US mainland Pacific Coast. The estimated arrival time along the California Coast is 7 a.m. to 7:30 a.m. Pacific Time.

Speaking by telephone Snider noted, "We don't have a really good forecast because this event is based on a volcano rather than earthquake."

Snider notes this is currently an advisory and not a tsunami warning in effect for the US west coast following Tonga eruption.

A tsunami advisory has also been issued for coastal areas on the north and east coast of New Zealand's North Island and the Chatham Islands, where "strong and unusual currents and unpredictable surges at the shore" are expected, according to New Zealand's National Emergency Management Agency.

New Zealand's official weather service said its weather stations across the country had observed "a pressure surge" on Saturday evening from the eruption.

Scientist Emily Lane, of New Zealand's National Institute of Water and Atmospheric Research, told the New Zealand Science Media Centre that it was a "very significant" eruption.

"The shock wave from it is clearly visible in satellite imagery and there are reports of the eruption being heard at least as far away as New Zealand," she said. "The tsunami from the eruption has reached over 2,500 km being recorded on gauges over all of Aotearoa."

Tsunamis generated by volcanoes are much less common than tsunamis from underwater earthquakes, Lane said.

A smaller eruption in late 2014/early 2015 built up the crater of the volcano to above the surface of the water, Lane added, but it's not yet clear exactly how Hunga-Tonga-Hunga-Ha'apai erupted on this occasion. "When we see what is left of the island after this eruption is over we can start to put together the pieces of what happened," she said.

Professor Shane Cronin, from the School of Environment at University of Auckland, told the New Zealand Science Media Centre that research into historical eruptions by the same volcano suggested that the current eruption episode could last for weeks or months "and that further similar-sized eruptions to the 15 January 2022 event are possible."

"The eruption is likely to result in significant ash fall (cm to ten cm) in Tongatapu as well as the Ha'apai group of islands," he said. "Help will be needed to restore drinking water supplies. People of Tonga must also remain vigilant for further eruptions and especially tsunami with short notice and should avoid low lying areas."
An earlier tsunami warning issued for American Samoa has since been canceled, according to the NWS Pacific Tsunami Warning Center.

There is no tsunami threat to Guam and the Commonwealth of the Northern Mariana Islands from a "distant eruption," according to the Pacific Tsunami Warning Center.
The volcano had been active from December 20, but was declared dormant on January 11, according to RNZ.

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KaZooo
01/15/22 9:12:58 AM
#2:


DepreceV2 posted...
Snider notes this is currently an advisory and not a tsunami warning in effect for the US west coast following Tonga eruption.
Just for emphasis

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V-E-G-Y-
01/15/22 9:18:00 AM
#4:


DepreceV2 posted...
Expected to hit between 7 and 7:30AM.

Its like 9 am doe

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PrettyBoyFloyd
01/15/22 9:20:10 AM
#5:


First thought the guys name said Dee Snider.

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kingdrake2
01/15/22 9:23:57 AM
#6:


BloodMoon7 posted...
Guess I'll drown


guess i should leave the area and head up the hill since the tsunami's coming for my ass. knew the day would come.

gawd damnit.

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LincolnDuncan
01/15/22 9:25:37 AM
#7:


V-E-G-Y- posted...
Its like 9 am doe

7-7:30 Pacific time.

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SSJKirby
01/15/22 9:27:51 AM
#8:


At least I'm safe, I'm pretty far inland for a tsunami I think

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Jabodie
01/15/22 9:28:46 AM
#10:


Just wait until the Cascadia fault finally has the earthquake.

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Mizznox
01/15/22 9:47:25 AM
#12:


Damn, I'm in Arizona at the moment, but people back home in Alaska are hearing booming sounds from the shockwave reaching there.

https://imgur.com/a/zGGiFvv

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Irony
01/15/22 9:49:12 AM
#13:


Will it put out the fires?

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Medussa
01/15/22 9:50:49 AM
#14:


https://twitter.com/US_Stormwatch/status/1482229220415721475

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Southernfatman
01/15/22 9:52:53 AM
#15:


PrettyBoyFloyd posted...
First thought the guys name said Dee Snider.

Then the article would just be him talking about how awesome he and Twisted Sister are.

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littlebro07
01/15/22 9:59:41 AM
#16:


Medussa posted...
https://twitter.com/US_Stormwatch/status/1482229220415721475

damn

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DepreceV2
01/15/22 10:03:10 AM
#17:


Mizznox posted...
Damn, I'm in Arizona at the moment, but people back home in Alaska are hearing booming sounds from the shockwave reaching there.

https://imgur.com/a/zGGiFvv

Damn I cant even imagine.

Medussa posted...
https://twitter.com/US_Stormwatch/status/1482229220415721475

Holy shit. It just turned 7am on the Wes Coast so things should start to get interesting


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Unsuprised_Pika
01/15/22 10:12:40 AM
#18:


Jabodie posted...
Just wait until the Cascadia fault finally has the earthquake.

Don't give 2022 any ideas on how to not be outshone by its little bros 2020 and 2021
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SweetieBeIle462
01/15/22 10:15:20 AM
#19:


Hope people heed the warnings

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Zikten
01/15/22 10:30:08 AM
#20:


I haven't heard any booms but my windows are closed

I doubt even a tsunami would hit my building though. I'm quite a ways from water. I wonder what will happen by the port though
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Hop103
01/15/22 10:43:55 AM
#21:


Stay off the beaches folks.

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Zikten
01/15/22 11:04:23 AM
#22:


Ok so it's 1 foot waves. Unsafe if you are on the beach. But nothing that will wipe towns off the map like out of a scene of the movie 2012
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ViewtifulGrave
01/15/22 11:27:42 AM
#24:


Irony posted...
Will it put out the fires?
Its not even fire season and we recently got a bunch of rain.

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g980
01/15/22 11:28:14 AM
#25:


DepreceV2 posted...
Australia's Bureau of Meteorology said it recorded a tsunami wave of 1.2 meters (about 4 feet) near Nuku'alofa at 5:30 p.m. local time on Saturday.


This sounds really small though right

Like i feel like ive played in 4ft waves at the beach as a kid

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Mizznox
01/15/22 11:31:27 AM
#26:


g980 posted...
This sounds really small though right

Like i feel like ive played in 4ft waves at the beach as a kid

There's a huge difference between your everyday waves and a tsunami's wave, even if the height is the same. Much, much more energy behind the tsunami wave that can push far into shore.

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g980
01/15/22 11:43:51 AM
#27:


Mizznox posted...


There's a huge difference between your everyday waves and a tsunami's wave, even if the height is the same. Much, much more energy behind the tsunami wave that can push far into shore.


Gotcha

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K181
01/15/22 11:51:12 AM
#28:


g980 posted...
This sounds really small though right

Like i feel like ive played in 4ft waves at the beach as a kid


There's a world of difference between a 4 ft wave that's a few dozen feet wide and a 4 ft wave that's hundreds of feet or even a mile or more wide.

Tsunamis just keep on pushing and pushing inland ripping everything off the ground with it.

Sounds like this was thankfully a minor one, though.

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Ratchetrockon
01/15/22 11:56:45 AM
#29:


Are people surfing on these waves rn?

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