infrastructure has been affected by the tremors; the most recent significant event to affect Inverness and the surrounding area occurred in September 1901 and was approximately a 5.0 magnitude quake. In the 19th century, a boat canal known as the Caledonian Canal was dug through the Great Glen; the canal is still used today. See also Aspy Fault Avalonia Long Range Mountains References Further reading External link Plate tectonics Structural geology Geology of Scotland Geology of Newfoundland and Labrador Geography of County Donegal Lochaber Geography of Argyll and Bute Geography of Inverness Seismic faults of the United Kingdom Strike-slip faults Loch Ness