Thunderquakes were shown by Penn State researchers to be usable for imaging underground structures. The method was tested with data from thunderstorms passing over the campus, and weak zones beneath it were identified.
log in to read full article
the world wide web for retro machines
Thunderquakes were shown by Penn State researchers to be usable for imaging underground structures. The method was tested with data from thunderstorms passing over the campus, and weak zones beneath it were identified.
log in to read full article