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Japan

A scene from a Japanese picture scroll depicting the 1855 Edo earthquake
Posted inNews

Kabuki Actor’s Forgotten Manuscript Yields Clues About 1855 Quake in Japan

Tim Hornyak, Science Writer by Tim Hornyak 8 September 20206 December 2021

Researchers analyzed a survivor’s account of the disaster to better understand future temblors.

Detector and lightning locations for two observed events in Kanazawa, Japan
Posted inEditors' Highlights

Lightning Discharge Type Linked to Terrestrial Gamma‐Ray Flashes

by Minghua Zhang 1 September 202013 February 2023

For the first time, the connection between energetic in cloud pulse and terrestrial gamma‐ray flashes is confirmed in the Gamma-Ray Observation of Winter Thunderclouds experiment in Japan.

Tokyo skyline
Posted inNews

The First Undeniable Climate Change Deaths

by D. Merino 18 August 20206 December 2021

In 2018 in Japan, more than 1,000 people died during an unprecedented heat wave. In 2019, scientists proved it would have been impossible without global warming.

Maps showing the data assimilated wavefields at 30 and 120 seconds on the left and the forecasted future wavefields at 200 seconds on the right
Posted inEditors' Highlights

Real-time Ground Motion Estimation for Large Earthquakes

by M. Yamada 31 July 20207 March 2023

Advanced computing technology can be used to forecast ground shaking from earthquakes and provide an early warning in real time.

YoriMawari-nami wave in 2013
Posted inNews

Submarine Canyons Breed Megawaves in Japan

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 21 February 202025 March 2024

The canyons act like a prism, focusing waves into mammoths of destruction.

A fireball in the night sky
Posted inNews

Tiny Fireballs May One Day Reveal Unseen Asteroids

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 20 February 202015 February 2022

The tiny fireball that flew over Japan in 2017 came from an asteroid that could threaten Earth in 10 million years or so. Scientists are trying to use these little meteors to hunt larger objects.

Cliff face next to a river with markers of different strata in Japanese
Posted inNews

Japan Puts Its Mark on Geologic Time with the Chibanian Age

Tim Hornyak, Science Writer by Tim Hornyak 30 January 20203 July 2023

The newly named period in the Pleistocene identifies a key moment in geological history: the last time Earth’s magnetic poles switched places.

Model of cloud development, charge evolution, and cloud-to-ground lightning initiation in Hokuriku winter clouds
Posted inEditors' Highlights

Microphysics and Positive Lightning in Hokuriku Winter Clouds

by Minghua Zhang 27 December 20199 March 2023

The microphysics of the frequent, and frequently positive, lightning of Hokuriku winter clouds was investigated by systematic, in situ observation of individual precipitation particle type and charge.

The Sun sets over Lake Shinji in western Japan
Posted inResearch Spotlights

How Land Use Affects Nutrient Pollution in a Changing Climate

Elizabeth Thompson by Elizabeth Thompson 4 September 201916 February 2022

As heavy rain falls more frequently, the land alongside a river has a greater effect on the waterway’s nutrient levels—for better or worse.

Diagram showing how groundwater disappears into crustal ruptures formed during an earthquake
Posted inEditors' Highlights

Groundwater Drawn Downward After Kumamoto Quake

by Marc F. P. Bierkens 14 August 20195 December 2022

A unique set of high-frequency groundwater level monitoring reveals a loss of approximately ten million cubic meters of groundwater after a major earthquake.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

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11 February 202611 February 2026
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A New Way to Measure Quartz Strength at High Pressure

13 February 202612 February 2026
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A Double-Edged Sword: The Global Oxychlorine Cycle on Mars

10 February 202610 February 2026
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