Earthquake Information for Norwich, Connecticut

Norwich, CT has a very low earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 1.27% chance of a major earthquake within 50km of Norwich, CT within the next 50 years. The largest earthquake within 30 miles of Norwich, CT was a 3.3 Magnitude in 2015.

Risk Level:
Very Low
Total Number of Earthquakes in Norwich, CT since 1931
1

Earthquake Probability for Norwich, CT

View the probability of a major earthquake within the next 50 years in Norwich, CT.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2
(within 31 km/51 miles above magnitude)

Probability of Earthquakes Within the Next 50 Years

(within 31 km/51 miles above magnitude)
MAGNITUDE
PROBABILITY
5.0
1.27%
5.1
1.03%
5.2
1.03%
5.2
1.03%
5.3
0.84%
5.4
0.68%
5.5
0.56%
5.6
0.52%
5.7
0.43%
5.8
0.38%
5.9
0.32%
6.0
0.30%
6.1
0.24%
6.2
0.20%
6.3
0.16%
6.4
0.15%
6.5
0.12%
6.6
0.10%
6.7
0.09%
6.8
0.07%
6.9
0.05%
7.0
0.05%
7.1
0.03%
7.2
0.02%
7.3
0.02%
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%