Both incidents resulted from gravitational slip on these age-old structures, the foremost being the Ramapo Fault. The Ramapo ...

Paramus sits on the Ramapo Fault line, the largest system of cracks in the Northeast, which released a 4.8-magnitude on April 5, 2024 that was felt by millions in New Jersey, New York ...

This quake occurred on the Ramapo Border fault at an estimated depth of just over four miles, Miller said. Earthquakes along this fault are not uncommon, but they're usually magnitude three or lower.