Earthquake Information for North Chelmsford, Massachusetts

North Chelmsford, MA has a low earthquake risk, with a total of 29 earthquakes since 1931. The USGS database shows that there is a 2.38% chance of a major earthquake within 50km of North Chelmsford, MA within the next 50 years. The largest earthquake within 30 miles of North Chelmsford, MA was a 3.1 Magnitude in 1999.

Risk Level:
Low
Total Number of Earthquakes in North Chelmsford since 1931 within 30 miles
29
Probability of A 5.0 Earthquake within next 50 years
2.38%

Earthquake Probability for North Chelmsford, MA

View the probability of a major earthquake within the next 50 years in North Chelmsford, MA.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2
(within 31 km/51 miles above magnitude)
MAGNITUDE
PROBABILITY
5.0
2.38%
5.1
1.93%
5.2
1.93%
5.2
1.93%
5.3
1.57%
5.4
1.28%
5.5
1.05%
5.6
0.97%
5.7
0.80%
5.8
0.71%
5.9
0.58%
6.0
0.55%
6.1
0.44%
6.2
0.38%
6.3
0.30%
6.4
0.28%
6.5
0.22%
6.6
0.19%
6.7
0.17%
6.8
0.12%
6.9
0.10%
7.0
0.09%
7.1
0.05%
7.2
0.04%
7.3
0.03%
7.4
0.01%
7.5
0.00%
7.6
0.00%
7.7
0.00%
7.8
0.00%
7.9
0.00%
8.0
0.00%
8.1
0.00%
8.2
0.00%
8.3
0.00%
8.4
0.00%
8.5
0.00%
8.6
0.00%
8.7
0.00%
8.8
0.00%
8.9
0.00%
9.0
0.00%
9.1
0.00%
9.2
0.00%