M 3.8 - 14 km S of Madison Center, Connecticut
- 1981-10-21 16:49:06 (UTC)
- 41.150°N 72.580°W
- 5.6 km depth
Felt (V) in the New Haven-New London area of southern Connecticut. Also felt on Long Island, New York.
Felt (V) in the New Haven-New London area of southern Connecticut. Also felt on Long Island, New York.