Connecticut · Earthquakes
Connecticut earthquakes today and on record
Earthquakes are rare in Connecticut, but not unknown. The USGS catalog lists 1 of magnitude 3.5 or more since 1900, the largest a magnitude 3.8 in 1981. Below: every quake in the state this week, a map, and the biggest since 1900.
Updated . Data: U.S. Geological Survey.
- Last 24 hours
- 0
- Past 7 days
- 0
- Most recent
- None this week
- Largest on record
- M3.8 (1981)
- M3.5+ since 1900
- 1
- M5+ since 1900
- 0
Earthquakes in Connecticut this week
No earthquakes recorded in this period.
That is normal here. Many years pass without a quake big enough to feel.
Biggest earthquakes in Connecticut since 1900
| Mag | Where | Date | Depth |
|---|---|---|---|
| 3.8 | 14 km S of Madison Center, Connecticut | Oct 21, 1981 | 6 km |
Good to know
When was the last earthquake in Connecticut?
None of magnitude 2.5 or more in the past week. The most recent of magnitude 3.5 or more in the long-term catalog was in 1981.
What was the biggest earthquake in Connecticut?
A magnitude 3.8 near Madison Center, Connecticut on October 21, 1981, the largest in the USGS catalog for the state since 1900.
Does Connecticut get earthquakes?
Earthquakes are rare in Connecticut, but not unknown. The USGS catalog lists 1 of magnitude 3.5 or more since 1900, the largest a magnitude 3.8 in 1981. The USGS national hazard map is the best guide to the chance of strong shaking where you live.
Also in Connecticut
Connecticut tornado history · Earthquakes today, nationwide · Did I just feel an earthquake?
Other states
History: USGS earthquake catalog, magnitude 3.5 and up since 1900, matched to the state by location (quakes just offshore count for the nearest state). Live: USGS real-time feeds.