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Tag - geology

 
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July 24, 2026
 

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GEOLOGY

A magnitude 6.2 earthquake, measuring an upper 5 on Japan¡¯s seismic intensity scale, struck Hokkaido before 5:30 a.m. on Monday.
51³Ô¹ÏÍø
Apr 27, 2026
Magnitude 6.2 quake shakes Hokkaido
While no tsunami alert was issued, the quake came less than a week after Japan issued a special advisory warning of the increased risk of a megaquake.
An electronic road sign posts an advisory for subsequent quakes in Mutsu, Aomori Prefecture, last Wednesday, after the first such advisory was issued the previous day.
51³Ô¹ÏÍø
Dec 16, 2025
Japan lifts quake advisory but urges continued caution
The Japan Meteorological Agency says there is still a possibility of a sudden, massive earthquake, despite the lifting of the advisory.
A worker clears debris from a shopping center in Hachinohe, Aomori Prefecture, on Tuesday morning following Monday night's earthquake.
51³Ô¹ÏÍø / Science & Health / EXPLAINER
Dec 9, 2025
What were the long, slow shakes felt throughout eastern Japan on Monday?
Called ¡°long-period ground motion,¡± this is a type of quake that has a far reach and can be felt strongly by people on the upper floors of tall buildings.
An official of the Japan Meteorological Agency holds a news conference in Tokyo early Tuesday in the wake of a magnitude 7.5 earthquake off Aomori Prefecture.
51³Ô¹ÏÍø / Science & Health / EXPLAINER
Dec 9, 2025
What is the ¡®subsequent quake advisory¡¯ the government issued?
The government is advising people to be on alert for about a week and to double-check their earthquake preparedness.
A resident in Uchinada, Ishikawa Prefecture, points to a boundary of his property with his neighbor which shifted due to liquefaction following the massive earthquake that hit the Noto Peninsula in January 2024.
51³Ô¹ÏÍø
Jun 3, 2025
Noto quake liquefaction hampers land boundary redrawing
Liquefaction during the Noto quake caused a lateral flow of up to 3 meters along a prefectural road running north to south through Uchinada and Kahoku.
Hiroshi Nishi, dean of the Faculty of Dinosaur Paleontology at Fukui Prefectural University, in Eiheiji, Fukui Prefecture, in April
51³Ô¹ÏÍø
May 11, 2025
Japan¡¯s first dinosaur department opens at university in Fukui
Students in Fukui Prefectural University¡¯s Faculty of Dinosaur Paleontology will participate in cutting-edge research and fossil excavations.
The Japan Agency for Marine-Earth Science and Technology's deep-sea scientific research vessel Chikyu
51³Ô¹ÏÍø
Aug 23, 2024
Kagoshima caldera took 9,000 years to form magma for ancient eruption
A research team analyzed sediments from the eruption extracted from a seabed near the huge Kikai Caldera.
A team of scientists in 2009 set out to pick a date when the Holocene ended and the Anthropocene began. They settled on 1952, when humanity added detectable byproducts of atomic bomb testing to our planet¡¯s surface.
COMMENTARY / World
Apr 30, 2024
A century of bad choices will haunt Earth for 100,000 years
A group of scientists rejected a proposal to give our current epoch a new name: the Anthropocene, derived from the Greek word for human.
Children give a presentation on volcano studies during a workshop at Tairadate Elementary School in Hachimantai, Iwate Prefecture, in February.
51³Ô¹ÏÍø / Regional Voices: Tohoku
Apr 29, 2024
Raising awareness over Mount Iwate eruption urged as memories fade
Interest in preparing for possible volcanic eruptions is difficult to muster in a nation prone to other natural disasters.
ENVIRONMENT / Earth science / OUR PLANET
Feb 4, 2024
For Japan, earthquakes are an existential matter
The New Year¡¯s Day quake was a stark reminder of how Japan has been shaped by rumbling, grinding and often deadly convulsions and volcanic activity.
Japan Times
WORLD
Jul 12, 2023
Canadian lake sediments reveal start of new geological age, scientists say
The deposits provide unmistakable evidence that Earth entered a new human-driven chapter known as the Anthropocene epoch some seven decades ago, according to researchers.
51³Ô¹ÏÍø / Explainer
May 9, 2023
Alert for ¡®long-period ground motion¡¯ issued for Ishikawa quake. But what is it?
The lesser known type of quake can cause violent shaking on the upper floors of tall buildings, as well as major structural damage.
Japan Times
WORLD / Science & Health
Apr 5, 2023
Study explains how primordial life survived on ¡®Snowball Earth¡¯
The findings demonstrate that the world¡¯s oceans were not completely frozen and that habitable refuges existed where multicellular organisms including plants and animals could survive.
Japan Times
WORLD / Science & Health
Mar 16, 2023
New analysis reveals dynamic volcanism on Venus
Radar images taken by NASA¡¯s Magellan spacecraft show that a volcanic vent about 1.6 kilometers?wide on the Venusian surface expanded and changed shape over an eight-month span in 1991.
Japan Times
WORLD
Feb 22, 2023
Scientists newly confirm 1,350 km metallic structure at heart of Earth¡¯s inner core
The research studied waves from 200 earthquakes with magnitudes above 6.0 ricocheting like ping pong balls up to five times within the planet.
Japan Times
WORLD / Science & Health
Jan 24, 2023
Earth¡¯s inner core may have started spinning other way, study says
The planet¡¯s inner core, a hot iron ball the size of Pluto, has stopped spinning in the same direction as the rest of the planet and might even be rotating the other way.
Japan Times
51³Ô¹ÏÍø / Science & Health / Remembering 3/11
Mar 8, 2021
Tectonic wobbles and muddy deposits: The seismic clues leading up to 3/11
New research is allowing scientists to envision a future where megathrust quakes are not only less unexpected, but perhaps, to a certain degree, predictable.
Japan Times
WORLD
Mar 5, 2021
In Iceland, 18,000 earthquakes over days signal possible eruption on horizon
Volcanoes in southwestern Iceland have been quiet for 800 years, but the period of rest may soon be over: More than 18,000 earthquakes have shaken the area in just over a week, leading scientists to believe that an eruption could be imminent.
Japan Times
WORLD / Science & Health
May 31, 2020
Millipede from Scotland is world¡¯s oldest-known land animal
A fossilized millipede-like creature discovered in Scotland may represent the oldest-known land animal, a humble pioneer of terrestrial living 425 million years ago that helped pave the way for the throngs that would eventually inhabit Earth¡¯s dry parts.
ASIA PACIFIC / Science & Health
Jan 24, 2020
Earth¡¯s oldest crater found in Australia; asteroid may have helped thaw ¡®snowball Earth¡¯
Scientists have identified Earth¡¯s oldest-known impact crater, and in doing so may have solved a mystery about how our planet emerged from one of its most dire periods.
Japan scientists identify clusters of protein believed to trigger Alzheimer¡¯s disease
A team of researchers said they found a ¡°seed¡± that accelerates the amyloid beta accumulation process in the brain, naming it ¡°Peak 1 amyloid beta,¡± as seen in a mouse's brain.
Indian brothers make manga debut in Japan
Two Indian brothers made their manga debut in Japan with "Kung Fu Kung Fool" ¡ª an action-comedy series that follows the adventures of a notorious thief and a young boy.
Japan weighs regulating Pokemon cards amid trading mania
A Pokemon event is held in Jakarta on July 11
Low-income families in Japan cut food and air conditioning during summer break
Yumiko Watanabe, the chairperson of nonprofit Kidsdoor, explains the results of a survey in Tokyo's Chiyoda Ward on July 1.
Iran strikes on CIA facilities prompt questions about possible Russian role
Iranian drones are displayed in an undisclosed location in Iran, in this handout image obtained on Jan. 13, 2025.U.S. officials have acknowledged that Russia has ?provided targeting ?and other support for Iran in its drone strikes on U.S. targets in the Persian Gulf region.
The sci-fi sensibilities of electronic trio Black Boboi
Black Boboi was formed in 2018 when solo artists Julia Shortreed, Utena Kobayashi and Ermhoi came together under Kobayashi¡¯s newly founded label, Bindividual.
A perfect storm: Kaze Fujii fans flock to Fuji Rock
Okayama-born singer-songwriter Kaze Fujii has carved out a distinctive place in Japanese pop since his major-label debut in 2019.
Can Japanese comedy get laughs in English? Yoshimoto Kogyo lets the jokes rip
Wes-P has millions of followers and his viral clips made him recognizable out of Japan.
The 180-day locals: Life on Japan¡¯s digital nomad visa
Christopher Flinn works remotely from Tokyo earlier this month. Japan issued 646 digital nomad visas in 2025, but tourism officials are hoping to increase that figure in the coming years, with Japan's relatively cheap cost of living and the weak yen seen as potential draws for young professionals.
Japan reveals hint of new defense spending target in fiscal blueprint
The Self-Defense Forces' Type 16 mobile combat vehicle fires during a joint live-fire drill with U.S. Marines as part of the annual Resolute Dragon exercises in Yufu, Oita Prefecture, on June 28.

Podcast

One of the many entrances to the Kabukicho neighborhood in Tokyo¡¯s Shinjuku Ward.
Kabukicho: Tokyo¡¯s ¡®stadium of desire¡¯

Longform

For many people, utility poles and power lines have become such a familiar part of Japan¡¯s landscape that they often go unnoticed.
Why Japan¡¯s utility poles won¡¯t be disappearing anytime soon
By Alex K.T. Martin

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