1929 Grand Banks earthquake
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.
| 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 |
| Depth | 20 km (12 mi) |
| Epicenter | 44.54°N 56.01°W |
| Areas affected | Dominion of Newfoundland Canada French Republic Saint Pierre and Miquelon |
| Total damage | $400,000 ($5.6 million in 2017) |
| Max. intensity | RFS VI (Strong tremor) MMI VIII (Severe) |
| Tsunami | Yes |
| Aftershocks | ~3 |
| Casualties | 27 or 28 killed |
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