Earthquake Information for Old Saybrook, Connecticut

Old Saybrook, CT has a low earthquake risk, with a total of 15 earthquakes since 1931. The USGS database shows that there is a 1.27% chance of a major earthquake within 50km of Old Saybrook, CT within the next 50 years. The largest earthquake within 30 miles of Old Saybrook, CT was a 3.8 Magnitude in 1981.

Risk Level:
Low
Total Number of Earthquakes in Old Saybrook since 1931 within 30 miles
15
Probability of A 5.0 Earthquake within next 50 years
1.27%

Earthquake Probability for Old Saybrook, CT

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

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
1.27%
5.1
1.03%
5.2
1.03%
5.2
1.03%
5.3
0.83%
5.4
0.67%
5.5
0.55%
5.6
0.51%
5.7
0.41%
5.8
0.36%
5.9
0.30%
6.0
0.28%
6.1
0.22%
6.2
0.19%
6.3
0.16%
6.4
0.14%
6.5
0.11%
6.6
0.10%
6.7
0.09%
6.8
0.06%
6.9
0.05%
7.0
0.04%
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%