Every countryCanada

Canada earthquakes in 1974

6 earthquakes of magnitude 4.5 or more were located in Canada in 1974. The largest: M4.8 Melville Island region, Nunavut, Canada, Dec 27, 1974.

From the USGS catalog. Times are local to each quake.

19731975

Map

Where every quake of 1974 was located in Canada. Select one for its page.

Open the live map with earthquakes

Every quake of 1974

Magnitude 4.5 and up, newest first.

Month by month

Counted by UTC date, which is how the catalog files them.

MonthQuakesLargestWhere
January 197414.7204 km SW of Port McNeill, Canada
February 19740
March 19740
April 19740
May 197414.8181 km W of Tofino, Canada
June 19740
July 19740
August 197424.7Vancouver Island, Canada region
September 19740
October 19740
November 197414.5180 km W of Port McNeill, Canada
December 197414.8Melville Island region, Nunavut, Canada

What this means

The catalog is only as complete as the instruments of the time. Worldwide coverage of magnitude 5 and up dates from the 1960s, and of 4.5 from the 1990s; earlier years hold the large quakes and the ones near a station, so a low count in an early year means fewer instruments, not a quiet earth.

By year

Every year the USGS catalog covers.

Nearby

Canada nowWorldwide in 1974

Sources

Earthquakes, magnitudes, depths, shaking estimates and felt reports from the U.S. Geological Survey Earthquake Hazards Program, read from its live feeds and its catalog back to 1900. Tsunami messages from NOAA’s tsunami warning centers.