The Ontario region has not encountered a major earthquake since October 1990 when a 5.0 occurred in Eastern Ontario. This is the third significant tremor in the Ottawa region of 2006. The two largest damaging earthquakes for this region occurred in "1935 (magnitude 6.1) at the northwestern end of the seismic zone, and in 1732 (magnitude 6.2) 450 km (280 mi) away at the southeastern end of the zone where it caused significant damage in Montreal." Smaller earthquakes, such as this, are felt about 3 to 4 times a year.
The Ontario region has not encountered a major earthquake since October 1990 when a 5.0 occurred in Eastern Ontario. The Ottawa Sun reports this is the third significant tremor in the region for 2006. The two largest damaging earthquakes for this region occurred in "1935 (magnitude 6.1) at the northwestern end of the seismic zone, and in 1732 (magnitude 6.2) 450 km (280 mi) away at the southeastern end of the zone where it caused significant damage in Montreal." Smaller earthquakes, such as this, are felt about 3 to 4 times a year.
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