There were more than 40 total aftershocks with a magnitude greater than 5.0 in the 48 hours after the initial earthquake.
Scientists have had more success predicting aftershocks, additional quakes following an initial earthquake.
Many of these were also felt throughout the eastern US, though with less intensity than the initial earthquake.
The first aftershock after the initial earthquake was of similar magnitude.
The initial earthquake was followed approximately five minutes later by a magnitude 5.7 aftershock.
The initial earthquake produced a rough casualty estimate of about 1000 people.
Many of the people who survived the initial earthquake were trapped under collapsed buildings.
The initial earthquake was of a 3.6 magnitude.
Just six weeks after the initial earthquake, tourist operations and residents alike were struggling back to their feet.
The aftershocks could be felt for several days after the initial earthquake.