Hunga Tonga Volcanic Eruption Reshaped Pacific Seafloor
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Tonga Volcano Eruption 2022, Himawari-8 satellite images of the 15 January 2022 eruption of Hunga Tonga-Hunga Haʻapai, Source: https://en.wikipedia.org/wiki/File:Tonga_Volcano_Eruption_2022-01-15_0320Z_to_0610Z_Himawari-8_visible.gif (Attribution: Japan Meteorological Agency (satellite), Digital Typhoon (website), Creative Commons Attribution 4.0 International license: https://creativecommons.org/licenses/by/4.0/deed.en, Presented at: WindermereSun.com)
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When the underwater mountain erupted, it sent ash and water-vapour half-way to space, and generated tsunami waves across the globe. A survey by New Zealand and UK vessels has now fully mapped the area around the Pacific volcano. It shows the seafloor was scoured and sculpted by violent debris flows out to a distance of over 80km (50 miles), in the video published on Nov. 21, 2022, by BBC News, as “Volcanic eruption in Tonga reshaped Pacific seafloor – BBC News“, below:
The destructive eruption of Hunga Tonga Hunga Ha’apai which occurred in January of 2022 was the largest explosive eruption of the 21st century. New research into the eruption has revealed that it produced pyroclastic flows which travelled up to 50 miles or 80 kilometers distant. This marks the longest pyroclastic flows to occur on the planet since 1883 and perhaps even the largest in the last 1,000 years. Thumbnail Photo Credit: NOAA, Colorized with hotspot.ai commercial license credits Special Thanks to: Shane Cronin, @scronin70 (Twitter) for spectacular volcanic sunset photos, in the video published on Nov. 23, 2022, by GeologyHub, as “Hunga Tonga Volcano Update; 50 Mile Long Pyroclastic Flows, New Eruption Size Estimate“, below:
The live aftermath of the Hunga Tonga-Hunga Ha’apai Jan 15 2022 volcano eruption, in the video published on Jan. 22, 2022, by Astrum, as “Aftermath of the Biggest Volcano Eruption Ever Caught on Tape from Space – Tonga“, below:
Tsunamis and shockwaves hit continents on the other side of the Pacific. The Hunga-Tonga Hunga-Ha’apai (HT-HH) volcano was like a massive shotgun blast from the deep, generating the biggest atmospheric explosion recorded on Earth in more than 100 years, in the video published on Nov. 20, 2022, by NIWA New Zealand, as “Tonga eruption and tsunami shock the world“, below:
Those watching in awe and horror as the volcano in the South Pacific erupted could be forgiven if any of their aspirations for the New Year were dashed by the sight of the cataclysmic explosion of the Hunga Tonga-Hunga Ha’apai volcano. Indeed the people of Tonga would have been observing the volcanic hotspot with trepidation in their hearts. However, nothing could have prepared them for the devastating eruption that was felt worldwide. Not only would the eruption leave its mark in Tonga, it also wreaked havoc in other parts of the Pacific region, as well as several parts of North and South America, causing death and the destruction of property along with other adverse climatic effects that will be felt for years to come in most of the afflicted regions. Come learn about the Hunga Tonga-Hunga Ha’apai Volcano, the shocking eruption of early 2022 and the impact it had on the world. The Significant IMPACT of the 2022 Hunga Tonga Volcanic Eruption, in the video published on Nov. 20, 2022, by Dark Planet, as “The Significant IMPACT of the 2022 Hunga Tonga Volcanic Eruption“, below:
In the video published on Nov. 17, 2022, by OzGeographics, as “How Tonga’s Volcanic Eruption Created The Worst Floods In Australia’s History – Full Documentary“, below:
Remote undersea volcano likely erupting in Pacific Ocean. Scientists are looking to see if the activity is shallow earthquakes or if material exploded from the crater. A volcano is likely erupting deep beneath the Pacific Ocean in the U.S. Commonwealth of the Northern Mariana Islands, but scientists don’t know for sure because it’s so inaccessible. All indications are that the Ahyi Seamount began erupting in mid-October, the U.S. Geological Survey said Monday. The Northern Marianas are about 3,800 miles (6,115 kilometers) west of Honolulu. Scientists are looking to see if the activity is shallow earthquakes or if material exploded from the crater, said Matt Haney, a USGS research geophysicist. Scientists are checking satellite data to see if there’s discolored water, which could suggest material is coming out of the volcano, he said. There’s nothing right now that suggests that this eruption will intensify and become a large eruption, Haney said. Still, mariners would want to avoid the immediate area, he said. Activity from an undersea volcanic source was picked up last month by hydroacoustic sensors some 1,400 miles away (2250 kilometers) at Wake Island. With help from the the Laboratoire de Geophysique in Tahiti and data from seismic stations in Guam and Japan, scientists analyzed the signals to determine the source of the activity was likely Ahyi Seamount, the USGS said in a statement. Activity has been declining in recent days, the statement said. Ahyi seamount is a large conical submarine volcano. Its highest point is 259 feet (79 meters) below the surface of the ocean. It’s located about 11 miles (18 kilometers) southeast of the island of Farallon de Pajaros, also known as Uracas. There are no local monitoring stations near Ahyi Seamount, which limits our ability to detect and characterize volcanic unrest there, the agency said. We will continue to monitor available remote hydrophonic, seismic, and satellite data closely. The seamount is part of the Mariana Volcanic Arc, which is a chain of over 60 active volcanoes stretching over 600 miles west of and parallel to the Mariana Trench, the world’s deepest point, in the video published on Nov. 16, 2022, by UPDATE NEWS, as “Horrible: Undersea volcano on Pacific Ocean is about to erupt, Resident tonga and samoa are In fear“, below:
Many in Tonga had no time to flee as a tsunami struck after the volcano eruption. The world watched in amazement and horror as the most violent volcanic eruption our planet has experienced in 30 years sent massive shock waves through Earth’s atmosphere and out into space. The extraordinary blast on Hunga Tonga-Hunga Ha’apai was heard as far away as Alaska and was seen by orbiting satellites. Even atmospheric gravity waves were detected by a NASA satellite, and dozens of concentric circles of gaseous waves may have circled our world several times. What does this mean for global weather patterns, earthquakes, and even a new Ice Age? In the video published on Jan. 28, 2022, by Factnomenal, as “Tonga Volcano Eruption Baffles Scientists | Another Large Eruption Detected“, below:
Gathered, written, and posted by Windermere Sun-Susan Sun Nunamaker More about the community at www.WindermereSun.com
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