1925 Charlevoix–Kamouraska earthquake
| UTC time | 1925-03-01 02:19:20 |
|---|---|
| ISC event | 910394 |
| USGS-ANSS | ComCat |
| Local date | February 28, 1925 |
| Local time | 09:19:20 |
| Magnitude | 6.2 Mw |
| Depth | 10 km (6 mi) |
| Epicenter | 47°48′N 69°48′W / 47.8°N 69.8°W |
| Areas affected | Canada |
| Max. intensity | MMI VIII (Severe) |
| Aftershocks | 55 |
The 1925 Charlevoix–Kamouraska earthquake struck northeastern North America on February 28, reaching 6.2 on the moment magnitude scale. It was one of the most powerful measured in Canada in the 20th century, with a maximum perceived intensity of VIII (Severe) on the Mercalli intensity scale at its epicentre in the area of Charlevoix-Kamouraska along the Saint Lawrence River near île aux Lièvres and not greater than VI (Strong) in the United States. The quake was felt in Quebec City, Shawinigan, and Montreal in Canada, and as far south in the U.S. as Virginia, and as far west as the Mississippi River.