4.0 Magnitude Aftershock Rattles New York Area With More Likely, Experts Say

The aftershock followed a 4.8 magnitude earthquake Friday morning centered in New Jersey

<p>Spencer Platt/Getty Images</p>

Spencer Platt/Getty Images

New Jersey and New York City felt a 4.0 magnitude aftershock hours after an earthquake jolted the region on Friday morning, April 5.

The aftershock struck about 7km (4.3 miles) southwest of Gladstone, N.J., per the U.S. Geological Survey, which classified it as a "notable quake" on X (formerly Twitter). Gladstone is roughly 50 miles from Manhattan.

The quake rumbled through NYC and New Jersey around 6 p.m. local time, per The New York Times.

Local officials advised residents to stay indoors and alert police if they are hurt. They noted that so far, there are no “major damage reports," the outlet added.

Related: NJ's Earthquake Could Be the Result of Uranus in Taurus — and It's Just the Beginning, Per an Astrologer

According to the U.S. Geological Survey, there's a 78% chance of a 3.0-magnitude aftershock in the next week, and a 16% chance of a 4.0-magnitude aftershock. The USGS advised residents of the areas to be ready for more earthquakes.

The Empire State Building's official X account cautiously tweeted, "NOT AGAIN" to which Uber's account replied, "coming to check on you!"

On Friday morning, a rare 4.8-magnitude earthquake was felt across the East Coast, officials said.

The U.S. Geological Survey said the quake was centered near Lebanon, New Jersey. The earthquake struck just before 10:30 a.m. local time.

According to the Associated Press, more than 42 million people were affected by the quake — with shaking felt in New York City, Boston and Philadelphia and surrounding areas, The Weather Channel reported.

Related: Man Was in the Middle of His Vasectomy When Earthquake Struck: ‘A Story to Tell for Years to Come’

Citing state data, NBC News reported that the earthquake was the strongest in the state in almost 250 years. It was also the strongest earthquake to strike the East Coast since a 5.8-magnitude earthquake hit Virginia in 2011.

New York City Mayor Eric Adams said in a news conference, per CBS News, that while there are concerns about aftershocks, "New Yorkers should go about their normal day. First responders are working to make sure the city's safe."

Meanwhile, the quake impacted travel in New York City and New Jersey. Flights in the New York metro area were temporarily grounded, and the Holland Tunnel was closed for inspection, according to the New York Post. The temporary groundings at New York City's LaGuardia Airport and Newark Airport in New Jersey resulted in delays of up to 45 minutes, The New York Times reported.

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Broadway shows are expected to go on as normal, the Broadway League announced on X. "Audiences may contact their point of purchase for their show if they have questions about their tickets in advance of the performance," the League added in their statement.

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