UTC time | 1929-11-18 20:32:00 |
---|---|
ISC event | 908394 |
USGS-ANSS | ComCat |
Local date | November 18, 1929 |
Local time | 17:02 |
Magnitude | 7.2 Mw [1] |
Depth | 20 km (12 mi) [1] |
Epicenter | 44°32′N 56°01′W / 44.54°N 56.01°W [2] |
Areas affected | Dominion of Newfoundland Canada French Republic Saint Pierre and Miquelon |
Total damage | $400,000 [1] ($5.6 million in 2017) |
Max. intensity | RFS VI (Strong tremor)[3] MMI VIII (Severe)[4] |
Tsunami | Yes |
Aftershocks | ~3 [3] |
Casualties | 27 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]