Correct

微震

/ wēi zhèn /
Strokes

Example

As a Noun

microseism; microquake

1
zhèn
地震
qián
cháng
shēng
发生
liánchuàn
一连串
de
wēizhèn
微震
  

A series of tremors often precedes an earthquake.

2
wēizhèn
微震

ultra microseism

3
Wēizhèn
微震
jiān
监测

microseismic monitoring