India, July 17 -- A video of a house and a few cars shaking due to a massive 7.3-magnitude earthquake in Alaska's southern peninsula on Wednesday has surfaced online. The tremors triggered a tsunami warning, which was later downgraded to an advisory and ultimately cancelled.

Alaska Earthquake Center, an earthquake monitoring agency at the University of Alaska Fairbanks Geophysical Institute, shared the video of the moment the earth started shaking.

"We got this incredible footage of today's earthquake from a resident in Sand Point, about 50 miles from the epicenter. We are grateful to those who shared their experiences -- it allows others to understand what an earthquake is like, and be better prepared," the agency wrote.

"We are also ...