microseism

n.微弱的震动

A very small earthquake that usually cannot be felt by humans.

名词

1. Microseisms are often caused by oceanic waves or atmospheric disturbances.
微震通常是由海洋波浪或大气扰动引起的。

2. The seismologist analyzed the data from the microseisms to study patterns of seismic activity.
地震学家分析微震的数据，以研究地震活动的模式。