Increases in groundwater levels and volumes after large earthquakes have been observed around the world, but the details of this process have remained unclear due to a lack of groundwater data directly before and after an earthquake strikes. Fortunately, researchers from Kumamoto and Kwansei Gakuin Universities (Japan) and UC Berkley (US) realized that they had a unique research opportunity to analyze groundwater level changes around Kumamoto City after large earthquakes struck the area in 2016.
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Source: Phys.org