A bomb squad from the Massachusetts State Police detonated several pieces of unexploded ordnance left over from World War II on Chappaquiddick last Wednesday, sending a thundering boom across the island and rattling foundations from Cape Pogue to Sampson’s Hill.

The explosion prompted concerned calls to the Island communications center and Edgartown police department, and was the subject of speculation all across the tight-knit Chappy community for several days.

The continued discovery of unexploded practice bombs from World War II has forced the immediate closure of Little Neck on Chappaquiddick to all public access.

The Trustees of Reservations, which owns the property, announced Friday that approximately 60 acres along the western edge of Cape Pogue Bay will be closed indefinitely.

Residents along the south shore of the Island may hear loud explosions in the coming months due to an operation conducted by the U.S. Navy to clear and remove unexploded ordnance on Noman’s Land left over from training exercises during World War II.

David Barney, base realignment and closure coordinator for the U.S. Navy, said this week the objective is to identify and clear military ordnance that may have been exposed since the last clearing operation in 2003.