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☆ Nankei Trough advisory: Japan is bracing for a once-in-a-century earthquake. Does it need to?
▼ + stars: | 2024-08-12 | by ( Jessie Yeung | Hanako Montgomery | ) edition.cnn.com time to read: +11 min

A special committee warned that another “major earthquake” could hit in the coming week – the first time in its history the body had issued this type of nationwide advisory. Then there’s the looming threat of the Nankai Trough megathrust earthquake – the most powerful of its kind, with magnitudes that can exceed 9. Japan’s government has warned of the possible Nankai Trough quake for so many years that the possibility of it occurring has become common knowledge. The ‘big one’The Nankai Trough is a 700-kilometer long (435-mile) subduction zone, which refers to when tectonic plates slip beneath each other. “I tell (my students), the Nankai Trough earthquake will definitely come, whether it’s your generation or your children’s generation,” he said.

Persons: ”, Shoichi Yoshioka, ” Yoshioka, Kim Jae, it’s, “, Robert Geller, It’s, Yoshioka, Geller, ” Geller, Yota, Mashiro Ogawa, Megumi Sugimoto, “ It’s, Shuhei Yokoyama, there’s, Sugimoto Organizations: Tokyo CNN, Japan’s Kobe University, “, Residents, Getty, government’s Earthquake Research, Kobe University, University of Tokyo, Asahi Shimbun, Osaka University Locations: Japan, Europe, United States, Ishinomaki, Miyagi prefecture, AFP, Nankai, Philippine, Tokyo, Noto Peninsula, Wajima City, Noto, Fukuoka, Kyushu, Kumamoto

☆ Why Japan issued its first-ever 'megaquake advisory' — and what that means
▼ + stars: | 2024-08-10 | by ( Evan Bush | Evan Bush Is A Science Reporter For Nbc News. | ) www.nbcnews.com time to read: +4 min

The Summary Japan’s meteorological agency on Thursday issued its first-ever “megaquake advisory.”The warning followed a 7.1-magnitude earthquake off the country’s southern coast. Subduction zone faults build stress, and a so-called megathrust earthquake takes place when a locked fault slips and releases that stress. In the U.S., the Cascadia subduction zone off the West Coast runs from Vancouver Island, Canada, to Cape Mendocino, California. A beach is closed in Nichinan in southwestern Japan on Friday, after the country's issued its first warning about a possible megaquake. Large Nankai Trough earthquakes tend to come in pairs, with the second often rupturing in the subsequent two years.

Persons: AP Harold Tobin, “, ” Tobin Organizations: Philippine, West Coast, Kyodo, Reuters, Japan’s Earthquake Research, United States Geological Survey, AP, University of Washington Locations: Nankai, Japan, U.S, Cascadia, Vancouver Island, Canada, Cape Mendocino , California, Nichinan, Miyazaki

☆ Space photos show Japan's 7.6-magnitude earthquake lifted land out of the sea, extending parts of its coastline by as much as 2 football fields
▼ + stars: | 2024-01-05 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com time to read: +3 min

Japan's Noto Peninsula has newly exposed beaches due to the earthquake that struck Monday. Locals who were fishing at the time, reported the entire coastline uplifted when the quake hit. AdvertisementAccording to satellite imagery, Japan's Noto Peninsula was rattled and slightly enlarged when a 7.6-magnitude earthquake struck on January 1. Muck on the side of structures at Kaiso Fishing Port shows where they used to be underwater, after the earthquake uplifted the land. Earthquake Research Institute, University of TokyoThe Geospatial Information Authority of Japan published a preliminary satellite analysis of the Noto Peninsula.

Persons: —, Muck Organizations: Service, Earthquake Research Institute, University of Tokyo, Geospatial, Authority of Japan, JAXA, Geospatial Information Authority Locations: Noto, Noto Peninsula, Fishing, Japan

☆ World’s newest island forms in Japanese archipelago
▼ + stars: | 2023-11-09 | by ( Brad Lendon | Francesca Annio | ) edition.cnn.com time to read: +1 min

Tokyo CNN —The world’s newest island has risen from the sea off the coast of the Japanese island of Iwo Jima in the Pacific Ocean. Japan’s Meteorological Agency (JMA) told CNN the unnamed island was formed by an undersea volcanic eruption. The photos show a small eruption sending a dark cloud of ash above the tiny island, which is now part of the Ogasawara Island chain. The island sits about 1,200 kilometers (750 miles) south of mainland Japan and a kilometer from Iwo Jima, the island that saw some of the fiercest battles of World War II in the Pacific. US Marines fought tens of thousands of Japanese garrisoned there in a battle that killed more than 7,000 Americans and 22,000 Japanese troops.

Persons: Setsuya Organizations: Tokyo CNN, Japan’s Meteorological Agency, CNN, Defense Force, JMA, Earthquake Research, University of Tokyo, volcanology, Japan Times, Pacific . US Marines Locations: Iwo Jima, Japan, Pacific

☆ A huge underwater volcano blast formed a new island off the coast of Japan
▼ + stars: | 2023-11-09 | by ( Marianne Guenot | ) www.businessinsider.com time to read: +2 min

An ongoing volcanic eruption has created a tiny island near Iwoto. AdvertisementAdvertisementJapan has a new tiny island thanks to an ongoing eruption from an underwater volcano. The 328-foot-wide island emerged in the Ogasawara Island chain, about half a mile from Iwoto (formerly known as Iwo Jima). Those who want to marvel at the rare sight should do so quickly, as the island may not last very long, Usui told the AP. Similar volcanic islands appeared in the area in 1904, 1914, and 1986 but have all since been washed away, said Fukashi Maeno, an associate professor at Tokyo University's earthquake research institute, per The Guardian.

Persons: —, Yuji Usui, Usui, Fukashi Maeno Organizations: Service, Japan Meteorological Agency, Associated Press, Guardian, New York Times Locations: Iwoto, Iwo, Tokyo

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