New Jersey Earthquake 2025 Aftershock. Weak earthquake aftershocks continue to be detected in areas near the magnitude 4.8 quake that rocked new jersey and many other eastern states on april 5, but the number of aftershocks. You might also have heard the term the richter scale used to describe earthquakes, but it is no longer commonly used because it was only valid for certain earthquake frequencies and distance ranges.
No major disruptions or damage have been reported. Friday will mark one month since a 4.8 magnitude earthquake rocked the garden state.