Pair of quakes strike remote border region of Canada and US state of Alaska
Two strong earthquakes struck a remote border area between Canada and southeastern Alaska on Monday, the US Geological Survey reported.
There were no immediate reports of damage or casualties.
The first quake measured 6.2 and was followed by a series of aftershocks and a second 6.3 magnitude quake nearly two hours later, according to the agency.
The USGS put the quakes’ epicentre inside Canada’s Yukon Territory in a wilderness preserve about 83 kilometres (52 miles) northwest of Skagway, Alaska.
Geophysicist Amy Vaughan says it’s not completely uncommon for an aftershock to be larger than the triggering quake, though normally the following quakes are smaller. She says there’s been a series of aftershocks ranging from magnitudes 2 to 5.
Earthquakes of that size could cause “considerable damage in poorly built or badly designed structures,” according to the USGS.
The quake is one of more than 13,000 recorded in Alaska this year, according to the Alaska Earthquake Centre.