Located in the Lau Basin along the Tonga Trench in the southwest Pacific Ocean, the west Mata volcano is part of a series of submarine volcanoes in the area bordered by Samoa, Tonga, and Fiji.

位于沿汤加海沟在刘盆地西南太平洋，西马塔火山是一个海底火山在萨摩亚，汤加和斐济的交界地带系列的一部分。

youdao

According to the study of the mineral evolving, origin analysis etc., it is considered that the source of minerals etc mainly comes from the pyritization sources of the submarine volcano eruption.

认为含矿岩系的物源主要来自海底火山喷发作用形成的黄铁矿化矿源层。

youdao

From the relationship between the landslide area and the surrounding stratum and the history of the volcano eruption, it is suggested that the submarine landslide is triggered by the earthquake.

从滑坡体与周围地层的叠置关系及火山弧喷发的历史来看，初步认为该海底滑坡是地震造成的。

youdao

Most of these tsunamis were associated with underwater, or what are called submarine earthquakes, although the Caribbean Sea region has all of the potential tsunami-generating sources: submarine earthquakes, subaerial or submarine landslides and volcano activity.

UNESCO: Let's be prepared for tsunami threat in Caribbean, Gulf