https://pure.psu.edu/en/publications/installation-of-a-high-sensitivity-ocean-borehole-strainmeter-in-/
Installation of a high sensitivity ocean borehole strainmeter in the Nankai trough under severe sea...
https://www.usgs.gov/media/images/spectogram-4-channels-borehole-strainmeter-data
Spectogram for 4 channels of borehole strainmeter data | U.S. Geological Survey
A spectrogram showing the rate (frequency) of ground motion based on borehole strainmeter data from near Lake Junction in Yellowstone National Park. These data...