Feb. 14, 2017: Seismograms across North America noticed something unusual today, a disturbance of some sort traveling linear across the United States in 2 1/2 to 3 minutes time. These instruments, some many hundreds of miles from each other shared the same odd reading at nearly the same EXACT time.
YouTube: https://www.youtube.com/user/MrMBB333 (SUBSCRIBE)
] [ Comments
] [See why this is trending