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Updated: Vale says overnight 3.6MN seismic event occurred after development blast at Creighton Mine

Did you feel the earth shake at around 3:10 a.m. Thursday morning?
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(Supplied)

Did you feel the ground shaking around Greater Sudbury early this morning? Earthquakes Canada reports a 3.6MN seismic event at 3:10 a.m. Thursday morning. 

The seismic event was centred about three kilometres from Lively at a depth of about 2.4 kilometres.

Stephen Crane, a research scientist with Natural Resources Canada, called the seismic event “mining related,” and said it was associated with Vale’s Creighton Mine. 

“It was fairly strong for a mining event,” Crane said. “Usually we do not see them this big.”

Vale spokesperson Danica Pagnutti confirms the seismic event occurred on the 8,070 foot level of the mine after a development blast. Three smaller aftershocks followed.

"All Creighton Mine employees were safely brought to surface," Pagnutti said in an email.

"Operations at the mine resumed this morning. Activity is restricted below the 7,200 level until background levels return to normal and the impacted area of the mine is inspected."

Earthquakes Canada said there are no reports of damage, and none would be expected.

People took to social media to say they were awakened by their homes shaking across the city, including Lively, Copper Cliff, Chelmsford, the downtown and the Valley.

If you felt the ground shake early this morning, tell us what it was like in the comments below.

Crane also encourages people to report the incident on the Earthquakes Canada website.


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