The Western Quebec Seismic Zone is a seismically active area in the Ottawa Valley in Eastern Ontario and Western Quebec. The zone stretches from Montreal to Témiscaming and from Cornwall up along the Laurentian Mountains. Significant earthquakes associated with this seismic zone include the 1732 Montreal earthquake, the 1935 Timiskaming earthquake, the 1944 Cornwall–Massena earthquake, and the 2010 Central Canada earthquake. Seismological monitoring of the zone is performed by the Canadian National Seismograph Network.