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Abstract
The St. Lawrence estuary in eastern Canada has been historically a seismic region, and a major earthquake in or near the estuary could generate a strong tsunami. At present there is no warning system in place for tsunami prediction in the estuary. The present study was conducted to provide some of the much needed information on possible tsunami amplitudes and travel times to different locations. Since an earthquake can occur at different locations in the estuary, numerical simulations are made at four different earthquake epicenters. In addition, the interaction of the tide with the tsunami is studied by running a tidal model together with the tsunami model. Various results are presented in a form that will provide the background material f or a future tsunami warning system for the St. Lawrence estuary.