美国突发强震！

Group 1 - A 7.0 magnitude earthquake occurred near the border of Alaska and the Yukon region of Canada, with noticeable tremors reported in Juneau, the capital of Alaska [2][3] - The earthquake struck at 11:41 AM local time, with the epicenter located approximately 90 kilometers north of Yakutat, at a depth of about 10 kilometers [3] - Aftershocks of slightly lower magnitudes were reported following the main earthquake event [3] Group 2 - Local media reported that the earthquake caused at least 30 seconds of noticeable shaking in Juneau, but there have been no reports of casualties or property damage [2] - The Alaska Earthquake Center reported the earthquake's magnitude as 6.8, with a shallower depth of 5 kilometers [4] - Yakutat, a remote municipality in Alaska, has a population of around 700 and is located approximately 450 kilometers northwest of Juneau [5]