If it seemed like the ground shifted under you late Tuesday night, it actually did, if you were in Central or Southern Ontario.
Earthquakes Canada registered a magnitude 3.7 quake just before 11:00 p. m. Eastern Time.
The agency mentioned that the tremor was centered near Brechin, southeast of Orillia, and occurred at a depth of five kilometers.
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Mareike Adams, a seismologist with Natural Resources Canada, told Barrie 360 that an earthquake like Tuesday night’s is quite rare for this area.
“This region is what we call the Southern Great Lakes seismic zone, and it has a relatively low level of seismicity compared to many areas in Canada. There haven’t been too many significant events here, and last night’s quake was one of the largest we’ve experienced in the region.”
Image – Earthquakes Canada
Adams noted that Earthquakes Canada received over 2,700 reports from people who felt the shaking.
Earthquakes Canada “Did you feel it?” link
“People described it as a kind of low rumble; that’s often how we characterize these smaller earthquakes since they’re still pretty minor overall. It usually feels somewhat like a large truck passing by.”
Adams shared that they’ve had reports from as far east as Kingston, all around Toronto, west to London and also from St. Catharines, Hamilton and Kitchener.
No injuries or damage have been reported.
“We typically don’t see damage until about a magnitude 5,” Adams stated. “We’re well below that threshold.”
She mentioned that similar-sized earthquakes have occurred in the Southern Great Lakes seismic zone before-like those in Owen Sound and Port Hope-and there was even a magnitude 5 event in Attica, New York back in the 1920s.
The cause behind such an earthquake in our area remains somewhat unclear to scientists.
“Eastern Canada is part of the stable interior of the North American plate; thus these earthquakes don’t have an exact known cause since we can’t visually identify these faults,” Adams explained. “What we notice is that many earthquakes in eastern Canada relate to regional stress fields and occur mostly where there are weaknesses in the crust or very old faults buried over time that might be activated.”
Social media lit up with comments about how this quake adds another challenge for an area already facing severe snow and cold weather recently.
with files from The Canadian Press
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Earthquakes Canada “Did you feel it?” link
“People described it as a kind of low rumble; that’s often how we characterize these smaller earthquakes since they’re still pretty minor overall. It usually feels somewhat like a large truck passing by.”
Adams shared that they’ve had reports from as far east as Kingston, all around Toronto, west to London and also from St. Catharines, Hamilton and Kitchener.
No injuries or damage have been reported.
“We typically don’t see damage until about a magnitude 5,” Adams stated. “We’re well below that threshold.”
She mentioned that similar-sized earthquakes have occurred in the Southern Great Lakes seismic zone before-like those in Owen Sound and Port Hope-and there was even a magnitude 5 event in Attica, New York back in the 1920s.
The cause behind such an earthquake in our area remains somewhat unclear to scientists.
“Eastern Canada is part of the stable interior of the North American plate; thus these earthquakes don’t have an exact known cause since we can’t visually identify these faults,” Adams explained. “What we notice is that many earthquakes in eastern Canada relate to regional stress fields and occur mostly where there are weaknesses in the crust or very old faults buried over time that might be activated.”
Social media lit up with comments about how this quake adds another challenge for an area already facing severe snow and cold weather recently.
with files from The Canadian Press
What do you think of this article?
Source link
