1929 Grand Banks earthquake

1929 Grand Banks earthquake
1929 Grand Banks earthquake is located in Canada
1929 Grand Banks earthquake
UTC time1929-11-18 20:32:00
ISC event908394
USGS-ANSSComCat
Local dateNovember 18, 1929 (1929-11-18)
Local time17:02
Magnitude7.2 Mw [1]
Depth20 km (12 mi) [1]
Epicenter44°32′N 56°01′W / 44.54°N 56.01°W / 44.54; -56.01 [2]
Areas affectedDominion of Newfoundland
Canada
French Republic Saint Pierre and Miquelon
Total damage$400,000 [1] ($5.6 million in 2017)
Max. intensityRFS VI (Strong tremor)[3]
MMI VIII (Severe)[4]
TsunamiYes
Aftershocks~3 [3]
Casualties27 or 28 killed

The 1929 Grand Banks earthquake (also called the Laurentian Slope earthquake and the South Shore Disaster) occurred on November 18, 1929. The shock had a moment magnitude of 7.2 and a maximum Rossi–Forel intensity of VI (Strong tremor) and was centered in the Atlantic Ocean off the south coast of Newfoundland in the Laurentian Slope seismic zone.[5]

  1. ^ a b c Fine et al. 2005.
  2. ^ Engdahl & Vallaseñor 2002.
  3. ^ a b Natural Resources Canada 2002.
  4. ^ Natural Resources Canada 2018.
  5. ^ "90 years later, a tsunami in southern Newfoundland still brings vivid memories". Cbc.ca. Retrieved December 20, 2021.