microseismic
/ˌmaɪkroʊˈsaɪzmɪk/
adjective
- Relating to very small earthquakes or ground vibrations that are not felt by people.
- Engineers use microseismic data to check for cracks in dams.
- The region has low microseismic risk, so buildings do not need special earthquake protection.
- The microseismic activity was monitored by sensors placed deep underground.