Monitoring groundwater with a single seismometer
By Alka Tripathy-Lang
March 26, 2020
New research shows that a single seismometer can track yearly changes in groundwater level, which may be helpful for aquifers around the world that lack monitoring wells.
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The single seismometer used in the study by Kim and Lekic (2019) is located in the Willis Formation, which is made of clay, silt, sand, and minor siliceous gravel. The seismometer is installed in a vault located 472 meters below surface in a salt mine. Credit: U.S. Geological Survey