Just after 10:20am ET Friday morning, a 4.8 magnitude earthquake rattled buildings and created tremors that were felt from Washington DC, all the way up to Maine. While it was the third-largest earthquake recorded in the area in the last 50 years, and the strongest in New Jersey in more than 240 years, no major damage was reported. Associate professor of physics at Fordham University Stephen Holler, and U.S. Geological Survey seismologist Susan Hough, speak to Anderson Cooper about today's quake and the aftershocks that followed. Plus, this Sunday will mark six months since the October 7th attacks by Hamas inside Israel. The worst massacre on that day was at the Nova music festival, where an estimated 364 people were killed. 120 of the survivors from the festival traveled to California, to be together at a retreat and start to heal. Anderson Cooper shares their story. 

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