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M4.6 - Salluit, Canada


4.6 - Richter scale


10 Km


Salluit, Canada (242km SSE)
LAT 60.176, LON -74.0098


Jun 10, 2021 11:20:15 UTC
Jun 10, 2021 06:20:15 UTC -05:00 at epicenter



Event ID(s)



0 people (est. 100km radius)

Distances from major cities

  • 242.5 km (150.7 miles) SSE of Salluit, Quebec, Canada
  • 491.0 km (305.1 miles) SSW of Iqaluit, Nunavut, Canada
  • 914.6 km (568.3 miles) NNW of Labrador City, Newfoundland and Labrador, Canada
  • 1210.3 km (752.1 miles) NNW of Sept-Îles, Quebec, Canada
  • 1236.0 km (768.0 miles) WSW of Nuuk, Sermersooq, Greenland

Tectonic Summary

Earthquakes in the Stable Continental Region

Most of North America east of the Rocky Mountains has infrequent earthquakes. Here and there earthquakes are more numerous, for example in the New Madrid seismic zone centered on southeastern Missouri, in the Charlevoix-Kamouraska seismic zone of eastern Quebec, in New England, in the New York - Philadelphia - Wilmington urban corridor, and elsewhere. However, most of the enormous region from the Rockies to the Atlantic can go years without an earthquake large enough to be felt, and several U.S. states have never reported a damaging earthquake.

Earthquakes east of the Rocky Mountains, although less frequent than in the West, are typically felt over a much broader region than earthquakes of similar magnitude in the west. East of the Rockies, an earthquake can be felt over an area more than ten times larger than a similar magnitude earthquake on the west coast. It would not be unusual for a magnitude 4.0 earthquake in eastern or central North America to be felt by a significant percentage of the population in many communities more than 100 km (60 mi) from its source. A magnitude 5.5 earthquake in eastern or central North America might be felt by much of the population out to more than 500 km (300 mi) from its source. Earthquakes east of the Rockies that are centered in populated areas and large enough to cause damage are, similarly, likely to cause damage out to greater distances than earthquakes of the same magnitude centered in western North America.

Most earthquakes in North America east of the Rockies occur as faulting within bedrock, usually miles deep. Few earthquakes east of the Rockies, however, have been definitely linked to mapped geologic faults, in contrast to the situation at plate boundaries such as California's San Andreas fault system, where scientists can commonly use geologic evidence to identify a fault that has produced a large earthquake and that is likely to produce large future earthquakes. Scientists who study eastern and central North America earthquakes often work from the hypothesis that modern earthquakes occur as the result of slip on preexisting faults that were formed in earlier geologic eras and that have been reactivated under the current stress conditions. The bedrock of Eastern North America is, however, laced with faults that were active in earlier geologic eras, and few of these faults are known to have been active in the current geologic era. In most areas east of the Rockies, the likelihood of future damaging earthquakes is currently estimated from the frequencies and sizes of instrumentally recorded earthquakes or earthquakes documented in historical records.