A marsquake is a seismic event that happens on Mars.

地震是发生在火星上。

Seismic activity on Mars happens in the form of " marsquakes."

火星上的地震活动以“火星地震”的形式发生。

Soon after its 2018 arrival, the lander detected a handful of marsquakes.

2018 年抵达火星后不久，着陆器就探测到了几次火星地震。

Both large marsquakes happened in an area known as the " core shadow zone, " said a statement by the Seismological Society of America.

美国地震学会的一份声明称，这两个大型地震都发生在一个被称为“核心阴影区”的区域。