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Expedition to Hess Rise in the Northwest Pacific begins

Phys · · 689 words · By Helmholtz Association

The article describes a joint German and Japanese scientific expedition to study the Hess Rise, a large oceanic plateau in the North Pacific. It outlines the geological models being tested to explain the plateau's formation and the various technical instruments being used for data collection.

open_in_new Read the original article: https://phys.org/news/2026-05-hess-northwest-pacific.html

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Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

9 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

info Single Source 7
check_circle Corroborated 1
help Insufficient Evidence 1
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“Located in the middle of the North Pacific, between Japan and Canada, lies one of the world's largest oceanic plateaus, the so-called Hess Rise.”
CORROBORATED
Multiple sources confirm the existence and location of the Hess Rise as an oceanic plateau in the North Pacific between Japan and Canada/Hawaii.
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web search NEUTRAL — The Shatsky Rise is Earth's third largest oceanic plateau, located in the north-west Pacific Ocean 1,500 km east of Japan.
https://en.wikipedia.org/wiki/Shatsky_Rise
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web search NEUTRAL — Hess Rise apparently formed in the Southern Hemisphere along the western flank of the Pacific-Farallon Ridge 110 to 100 m.y.
https://www.usgs.gov/publications/geologic-evolution-hess-ri…
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web search NEUTRAL — To test this thinking, Gün, Pysklywec, and colleagues gathered existing data on two oceanic plateaus that lie between Japan and Hawaii called the Shatsky Rise and Hess Rise; the Ontong Java Plateau, n…
https://www.sciencealert.com/the-tectonic-plate-under-the-pa…
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“The plateau is roughly T-shaped and extends over a length of about 1,000 kilometers.”
SINGLE SOURCE
The specific description of the plateau being 'T-shaped' and '1,000 kilometers' in length is found in one specific web result describing the expedition, but not corroborated by other independent geological sources provided.
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web search NEUTRAL — The Shatsky Rise is Earth's third largest oceanic plateau, located in the north-west Pacific Ocean 1,500 km east of Japan. It is one of a series of Pacific Cretaceous large igneous provinces together …
https://en.wikipedia.org/wiki/Shatsky_Rise
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web search NEUTRAL — The plateau is roughly T-shaped and…Located in the middle of the North Pacific, between Japan and Canada, lies one of the world's largest oceanic plateaus, the so-called Hess Rise. The plateau is roug…
https://ecotopical.com/physorg/452184/expedition-to-hess-ris…
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web search NEUTRAL — Hess Rise apparently formed in the Southern Hemisphere along the western flank of the Pacific-Farallon Ridge 110 to 100 m.y.
https://www.usgs.gov/publications/geologic-evolution-hess-ri…
info
“The last one took place in 1980.”
SINGLE SOURCE
The provided search results for this claim are irrelevant (discussing chemistry and the Olympics) or do not mention the date of the last expedition.
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web search NEUTRAL — This chemistry provides a basic introduction into the born Haber cycle. It explains how to calculate the enthalpy of formation of a compound using the latti...
https://www.youtube.com/watch?v=DI-bwx8r3r8
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web search NEUTRAL — Ziel der Expedition SO320/1 ist das sogenannte Hess Rise – eines der größten und zugleich am wenigsten erforschten vulkanischen Plateaus der Welt.
https://www.geomar.de/news/article/expedition-zum-hess-rise-…
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web search NEUTRAL — The first official Olympic Games took place in the year 776 BC. They were held in honour of Zeus. The important sports in the original Olympic Games were running, wrestling, boxing, and chariot racing…
https://www.euroki.org/koza/give-general-information-about-t…
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“Expedition SO320/1, led by the GEOMAR Helmholtz Center for Ocean Research Kiel, is now testing various models on the western and northern parts of the plateau that explain how Hess Rise might have formed.”
SINGLE SOURCE
While GEOMAR is confirmed as a leader of various expeditions in the web results, the specific link between Expedition SO320/1 and GEOMAR is only implied by the context of the 'Expedition to Hess Rise' result, but not explicitly corroborated by multiple independent sources in the provided set.
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web search NEUTRAL — An international research expedition led by the GEOMAR Helmholtz Centre for Ocean Research Kiel set sail with the German research vessel SONNE into the largely unexplored Indian Ocean. This marine are…
https://www.geomar.de/en/service/kommunikation/singlepm/durc…
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web search NEUTRAL — The expedition was mounted by GEOMAR Helmholtz Centre for Ocean Research Kiel - an institute in Germany.Most People Are Right Handed, But Why? Illustration of Voyager 1 travelling through space. Voyag…
https://www.onlygoodnewsdaily.com/post/scientists-amazed-to-…
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web search NEUTRAL — A German-French study led by the GEOMAR Helmholtz Centre for Ocean Research Kiel has used long-term observations to investigate the complex interplay between fluctuations in the equatorial current sys…
https://medium.com/@sciencebulletin/ocean-currents-modulate-…
info
“The SO320/1 expedition will be followed by the SO320/2 expedition”
SINGLE SOURCE
The search results for this claim are completely irrelevant, discussing the Ford Expedition vehicle and dictionary definitions of the word 'expedition'.
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web search NEUTRAL — The Ford Expedition is a full-size SUV produced by Ford Motor Company since the 1997 model year. The successor to the Ford Bronco, the Expedition shifted its form factor from an off-road oriented vehi…
https://en.wikipedia.org/wiki/Ford_Expedition
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web search NEUTRAL — Pack up the whole family in the 2026 Ford Expedition®. With seating for up to eight and expansive cargo space, this SUV is built for your biggest journeys. Explore seven trims, compare features, and b…
https://www.ford.com/suvs/expedition/
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web search NEUTRAL — EXPEDITION definition: 1. an organized journey for a particular purpose: 2. the people, vehicles, animals, etc. taking…. Learn more.
https://dictionary.cambridge.org/dictionary/english/expediti…
info
“The Middle Cretaceous period (115–90 million years ago), in particular, was marked by exceptionally intense volcanism, during which at least twelve of the world's larger oceanic plateaus were formed.”
SINGLE SOURCE
The evidence mentions the Middle Cretaceous and volcanic activity/plateaus generally, but does not specifically confirm the claim that 'at least twelve' larger oceanic plateaus were formed during that exact window.
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web search NEUTRAL — Oceanic plateau in the southern Indian Ocean. Bathymetry of the Kerguelen Plateau.The plateau was produced by the Kerguelen hotspot, starting with or following the breakup of Gondwana about 130 millio…
https://en.wikipedia.org/wiki/Kerguelen_Plateau
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web search NEUTRAL — According to the study, the carbon dioxide levels in the atmosphere were higher than expected 115-80 million years ago, challenging current climate models of the period. Updated - April 02, 2020 12:27…
https://www.thehindu.com/sci-tech/science/antarctica-was-hom…
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web search NEUTRAL — This animation shows the plate tectonic evolution of the Earth from the time of Pangea, 240 million years ago, to the formation of Pangea Proxima, 250 millio...
https://www.youtube.com/watch?v=uLahVJNnoZ4
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“up to 40 ocean bottom seismometers (OBS) will be deployed on the seafloor at depths of 2,000 to 5,000 meters.”
SINGLE SOURCE
The search results discuss OBS technology and other deployments, but do not mention the specific quantity (40) or depth (2,000-5,000m) for Expedition SO320/1.
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web search NEUTRAL — Publication Date: MARCH 2026 Forecast Period: 2026–2033 Ocean Bottom Seismometers (OBS) Market market is navigating disruption from Iran–US geopolitical conflict. Sanctions regimes, energy cost inflat…
https://www.linkedin.com/pulse/ocean-bottom-seismometers-obs…
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web search NEUTRAL — Ocean Observatories Initiative. Undergraduate students aboard the R/V Marcus G Langseth for a recent six-day research expedition to the Axial Seamount give an in-depth look at how they deployed…
https://vimeo.com/761214920
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web search NEUTRAL — The Ocean Bottom Seismometer with Hydrophone (OBS/H) is an autonomous data-acquisition system which free falls to the sea floor to record seismic and pressure signals generated by earthquakes and tsun…
https://www.academia.edu/62242542/Ocean_bottom_seismometers_…
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“Before the research vessel SONNE left the port of Yokohama, a reception hosted by the German Embassy provided Japanese and German scientists and technicians with the opportunity for an in-depth professional exchange on board.”
SINGLE SOURCE
The search results provided for this claim are generic definitions of 'research' and do not mention the vessel SONNE or the port of Yokohama.
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web search NEUTRAL — Research is creative and systematic work undertaken to increase the stock of knowledge. [1] It involves the collection, organization, and analysis of evidence to increase understanding of a topic, cha…
https://en.wikipedia.org/wiki/Research
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web search NEUTRAL — 4 days ago · The Open Access journal Research, published in association with CAST, publishes innovative, wide-ranging research in life sciences, physical sciences, engineering and applied science.
https://spj.science.org/journal/research
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web search NEUTRAL — Access 160+ million publication pages and connect with 25+ million researchers. Join for free and gain visibility by uploading your research.
https://www.researchgate.net/
help
“the German guests visited the Japanese marine research institute JAMSTEC (Japan Agency for Marine-Earth Science and Technology) in Yokosuka and its research vessel KAIMEI.”
INSUFFICIENT EVIDENCE
No evidence was found after searching for this claim.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.