Skip to comments.Wave created by Tonga volcano eruption reached 90 meters—nine times taller than 2011 Japan tsunami
Posted on 08/19/2022 3:25:45 PM PDT by devane617
The initial tsunami wave created by the eruption of the underwater Hunga Tonga Ha'apai volcano in Tonga in January 2022 reached 90 meters in height, around nine times taller than that from the highly destructive 2011 Japan tsunami, new research has found.
An international research team says the eruption should serve as a wake-up call for international groups looking to protect people from similar events in future, claiming that detection and monitoring systems for volcano-based tsunamis are '30 years behind' comparable tools used to detect earthquake-based events.
Dr. Mohammad Heidarzadeh, Secretary-General of the International Tsunami Commission and a senior lecturer in the University of Bath's Department of Architecture & Civil Engineering, authored the research alongside colleagues based in Japan, New Zealand, the UK and Croatia.
By comparison, the largest tsunami waves due to earthquakes before the Tonga event were recorded following the Tōhoku earthquake near Japan in 2011 and the 1960 Chilean earthquake, reached 10 meters in initial height. Those were more destructive as they happened closer to land, with waves that were wider.
(Excerpt) Read more at phys.org ...
17 August 2022
Huge volcanic eruptions: time to prepare
“Although researchers have long known of the drastic impacts of large-scale volcanic eruptions, the likelihood of such an event has only recently been clarified.
“The recurrence rate of large eruptions can be determined by searching the long-term records for sulfate spikes, stemming from the gas released during globally significant events. In 2021, researchers looked at ice cores from both poles and identified 1,113 signatures of eruptions in the Greenland ice and 737 in Antarctica, occurring between 60,000 and 9,000 years ago. They found 97 events that probably had a climatic impact equivalent to that of a magnitude 7 eruption or greater. They concluded that magnitude-7 events happen about once every 625 years, and magnitude-8 events (also called super-eruptions) about once every 14,300 years2. That’s more frequent than suggested by previous assessments — using geological records and statistical techniques — that found recurrence intervals of 1,200 years for magnitude 7 and 17,000 years for magnitude 85.”
We exist via nature’s forbearance . . .
“The research team also found that the January event was among very few tsunamis powerful enough to travel around the globe—it was recorded in all world’s oceans and large seas from Japan and the United States’ western seaboard in the North Pacific Ocean to the coasts within the Mediterranean Sea.”
I would imagine there have been asteroid impacts in the ocean that created waves well over a mile high.
They still are figuring out how high the blast went.
Last I have heard they figure higher than any volcanic blast ever in recorded history.
It did put quite a lot of water vapor into the upper regions of the atmosphere. It was mainly a phreatic eruption
Now, what would we all be experiencing if that was a blast from a volcano that ejected ash/tephra into the air that high?
‘ this was the moment when the rise of the oceans began to slow and our planet began to heal ..."~~Barack Obama upon winning the Democratic nomination for presidency conveys his thinking of what that means ....for the world, ‘Tuesday, JUNE 03, 2008
Yup..big ones in 536-37. The Tambora and the..i forget the dam name now..1883.
They figure ones in 536 37 came from Central America. Big discussions about that yet.
Some experts claim the blast went to 125000 feet and dumped 58 billion tons of ash and vapor into the atmosphere. Also, may take 10 years before the ash falls out. In the mean time world wide weather will be changed.
(90 meters in height)
It’s a mighty big wall of water
(‘ this was the moment when the rise of the oceans began to slow and our planet began to heal ...”~~Barack Obama upon winning the Democratic nomination for presidency conveys his thinking of what that means ....for the world, ‘Tuesday, JUNE 03, 2008)
I remember it. And yet there are still people that listen to him because they think that he’s honest and smart. 🙄🙄🙄
So ...... How’s Yellowstone doing these days?
Or do I want to know?
We read about stuff like this, and the damage caused by flooding, yet, people still pooh pooh the affects a global flood would cause. Hence, why most people don’t take the Biblical account of the Flood of Noah’s days as a real world event. God will not be mocked.
Not much going on with tropical storms and hurricanes to date.
Krakatau (Indonesia) in 1883. I found a big coffee table book about it years ago. More of a science book I guess but with lots of water colors, hand sketches, technical information and historical accounts. Some from ships that were nearby, accounts from locals, etc. Several photographs.
One photo was of a train that had been washed inland a huge distance (a mile?) due to the huge tsunami. I think the run-up from the wave was over 100 meters in some locations.
There was an entire section of the book detailing the tidal gauge measurements around the world, with tides in England being impacted by the eruption! And of course all the ash causing “the year without summer” throughout the world.
here’s a good view of that eruption
keep watching after it goes dark for aftermath
Polynesia. There are islands no higher than palm trees. Where they gonna run to.
The Tambora eruption threw so much ash into the atmosphere that 1816 was “the year without summer” and crops did not ripen, leading to widespread starvation. It’s estimated that 300,000 people died of starvation in Ireland alone. Three of my ancestors died of starvation in 1817 (not in Ireland).
Probably nullifies all of the industrial revolution’s “warming”...
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