据阿拉斯加火山观察记录，每年有五千多次地震记录，绝大多数的地震活动都不很强烈，但阿拉斯加拥有迄今以来最大的一些地震记录。

The Alaska Volcano Observatory records five thousand a year. Most of the shaking is not very strong, but Alaska has had some of the biggest quakes ever recorded.

youdao

为黄石火山活动的证据，是每年1000到3000的地震，积极地面变形，并在黄石找到了超过一万名的热特性。

Evidence for the activity of the Yellowstone Volcano are the 1,000 to 3,000 earthquakes per year, active ground deformation, and the over 10,000 thermal features found in Yellowstone.

youdao

为黄石火山活动的证据，是每年1000到3000的地震，积极地面变形，并在黄石找到了超过一万名的热特性。

Evidence for the activity of the Yellowstone Volcano are the 1,000 to 3,000 earthquakes per year, active ground deformation, and the over 10,000 thermal features found in Yellowstone.

youdao