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Japan

Bubbles rise toward the ocean surface.
Posted inNews

Device Made for the Moon May Aid in Carbon Sequestration on Earth

by Bill Morris 7 October 20227 October 2022

A pocket-sized device intended for use on the Moon could soon play a key role in Japan’s ambitious plans to sequester carbon dioxide.

A small coastal shipping town in Japan is devastated by an earthquake. In this photo taken from a plane, the wreckage of hundreds of buildings can be seen, and only a handful remain standing. In the center of the image, a small yacht is perched on top of one of the only remaining buildings. The town is surrounded by mountains and forests. One of the plane’s wheels is visible in the lower left corner of the image.
Posted inResearch Spotlights

Months of Gravity Changes Preceded the Tōhoku Earthquake

Sarah Derouin, Science Writer by Sarah Derouin 1 September 202225 October 2022

Using GRACE satellite data, researchers discovered anomalous gravimetric signals that occurred before a seismic event that started deep within Earth.

Esquema algoritmo de aprendizaje para estimar las magnitudes de terremotos sobre la base de señales de elastogravidad rápida.
Posted inNews

Monitoreando terremotos a la velocidad de la luz

by Mohammed El-Said 30 June 202230 June 2022

Nueva investigación utiliza la gravedad y un modelo de aprendizaje automático para estimar instantáneamente la magnitud y ubicación de grandes terremotos.

Illustration of the AI algorithm estimating large earthquakes’ magnitudes on the basis of prompt elastogravity signals (PEGS) traveling at the speed of light, much faster than seismic (P and S) waves.
Posted inNews

Monitoring Earthquakes at the Speed of Light

by Mohammed El-Said 2 June 20222 June 2022

New research uses gravity and a machine learning model to instantaneously estimate the magnitude and location of large earthquakes.

Muon detectors in a tunnel under Tokyo Bay
Posted inNews

Muography Array Under Tokyo Bay Spots Meteotsunami Waves

Tim Hornyak, Science Writer by Tim Hornyak 20 May 20227 March 2023

A new study shows how muons can be used to study tide and wave phenomena, helping secure coastal communities.

A view of a swamp on Rishiri Island, with trees and water in the foreground and a snowy mountain in the background
Posted inResearch Spotlights

Climate and Currents Shaped Japan’s Hunter-Gatherer Cultures

by Rebecca Dzombak 5 May 2022

New climate records from a peat bog show how two neighboring cultures responded differently to shifts in climate and ocean currents.

Margaritifera laevis shells on the bottom of a river.
Posted inNews

Freshwater Mussel Shells May Retain Record of Alpine Snowpack

by Stacy Kish 4 October 202129 March 2023

A new study explores a possible proxy for seasonal freshwater input that could elucidate changes in alpine snowpack as the planet warms.

Kominato Beach and Kopepe Beach, part of the Ogasawara Islands located in Japan
Posted inResearch Spotlights

First Report of Seismicity That Initiated in the Lower Mantle

by Jack Lee 19 August 20214 August 2023

A 4D back-projection method revealed that aftershocks of the 2015 earthquake beneath the Ogasawara (Bonin) Islands occurred as deep as about 750 kilometers.

Two maps of the Japanese islands showing distribution of volcanoes (top) and areas of large crustal earthquakes analyzed in this study (bottom).
Posted inEditors' Highlights

The First Systematic Search for Enervated Earthquakes

by Satoshi Ide 11 May 20218 December 2022

High quality data from Japan provides answers on where and when “enervated” earthquakes occur.

Series of six maps showing the location and observations of the typhoon
Posted inEditors' Highlights

Radar Observations of a Tornado Associated with Typhoon Hagibis

by Suzana Camargo 23 October 202025 February 2022

Analysis of tornadogenesis processes on a shallow supercell associated with Typhoon Hagibis using finely resolved rapid-scan radar observations at a very close range.

Posts pagination

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

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