United States
Earthquakes in Massachusetts
ShareUSGS recorded 1 earthquakes in and around Massachusetts in the last 30 days and 11 in the last year, counting everything of magnitude 1.0 and above. The strongest in that year measured M 2.2.
- Depth
- When (UTC)
- Local time
- Coordinates
Recent earthquakes in and around Massachusetts
Last 30 days, newest first as of 2026-08-10 17:03 UTC
| Magnitude | Location | Depth | When (UTC) |
|---|---|---|---|
| M 1.3 | 5 km NW of Killingworth, Connecticut | 6.8 km deep | 2026-07-12 09:15 UTC |
The largest on record in and around Massachusetts
Since 1900, when the instrumental record becomes usable. The largest is M 3.7 at 6 km W of Hardwick, Massachusetts on 1994-10-02: minor: often felt, rarely causes damage.
Largest since 1900 USGS
| Magnitude | Location | Date | Depth |
|---|---|---|---|
| M 3.7 | 6 km W of Hardwick, Massachusetts | 1994-10-02 | 10.0 km deep |
| M 3.6 | 10 km S of Bliss Corner, Massachusetts | 2020-11-08 | 10.0 km deep |
| M 3.5 | 5 km SE of Portsmouth, Rhode Island | 1976-03-11 | 0.0 km deep |
| M 3.4 | 30 km SE of Gloucester, Massachusetts | 1963-10-16 | 14.0 km deep |
| M 3.4 | Near Haverhill, Massachusetts | 1907-10-16 | Not recorded |
| M 3.3 | Housatonic Valley, Connecticut | 1908-02-05 | Not recorded |
| M 3.3 | Near Georgetown, Massachusetts | 1903-04-24 | Not recorded |
| M 3.3 | 1 km NW of Hardwick, Massachusetts | 1994-10-02 | 10.0 km deep |
| M 3.3 | 5 km NE of Granville, Massachusetts | 2000-06-16 | 9.8 km deep |
| M 3.3 | 0 km NE of Wauregan, Connecticut | 2015-01-12 | 5.4 km deep |
How these numbers were counted
Counts include every earthquake of magnitude 1.0 and above that USGS located in and around Massachusetts. The search is a latitude and longitude rectangle covering Massachusetts. No region is a rectangle, so events just outside the border can appear; each row shows the location text USGS published, which names the nearest town. Full method, including why counts from different places are not comparable.
Source: USGS Earthquake Hazards Program (FDSN event service). Retrieved 2026-08-10. Public domain.