Earthquake Risk in New Jersey
New Jersey has low seismic risk but is not earthquake-free. The Ramapo Fault system in northern New Jersey is sometimes cited as a concern, and the state experiences occasional small earthquakes. Dense population means even minor events can be widely reported.
The largest earthquake recorded in New Jersey was a magnitude 4.8 2024 Tewksbury, New Jersey Earthquake on April 5, 2024. New Jersey has 14 notable earthquakes on record since 2004, with the most recent being a M2.8 on August 5, 2025.
Notable Earthquakes
14
Recorded in or near New Jersey (since 2004)
Largest Earthquake
M4.8
2024 Tewksbury, New Jersey Earthquake (Apr 2024)
Most Recent
M2.8
Aug 5, 2025
Notable Earthquakes
Significant earthquakes recorded in or near this state.
| Magnitude | Location | Depth | Date |
|---|---|---|---|
| M4.8 | 2024 Tewksbury, New Jersey Earthquake | 2.6 km | Apr 5, 2024 |
| M4.1 | 3 km NNE of Little Creek, Delaware | 9.9 km | Nov 30, 2017 |
| M3.7 | 7 km WSW of Gladstone, New Jersey | 4.1 km | Apr 5, 2024 |
| M3.1 | 3 km WSW of Marlboro, New Jersey | 5.6 km | Sep 9, 2020 |
| M3.0 | 0 km W of Little Ferry, New Jersey | 10.0 km | Aug 3, 2025 |
| M3.0 | 1 km ESE of Victory Gardens, New Jersey | 0.1 km | Feb 3, 2009 |
| M2.9 | 6 km E of Califon, New Jersey | 7.1 km | May 24, 2024 |
| M2.9 | 7 km WSW of Gladstone, New Jersey | 5.0 km | Apr 27, 2024 |
| M2.8 | 1 km N of Hillsdale, New Jersey | 12.4 km | Aug 5, 2025 |
| M2.8 | 3 km ESE of Pennsville, New Jersey | 5.0 km | Jul 1, 2009 |
| M2.6 | 1 km NW of Gladstone, New Jersey | 5.0 km | May 1, 2024 |
| M2.6 | 5 km WSW of Gladstone, New Jersey | 9.4 km | Apr 10, 2024 |
| M2.6 | 6 km ESE of Califon, New Jersey | 6.4 km | Apr 5, 2024 |
| M2.6 | 3 km SE of Mendham, New Jersey | 8.2 km | Aug 14, 2015 |
Cities in New Jersey
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