3.6 magnitude earthquake shakes Sudbury area April 23

Image | April 23, 2020 earthquake near Sudbury

Caption: Earthquakes Canada reports the earthquake felt early this morning in the Sudbury area was a 3.6 magnitude event. (Earthquakes Canada)

The rumble that woke up dozens in Sudbury this morning was in fact an earthquake.
Earthquakes Canada(external link) confirms that a seismic event happened in the Whitefish area of Greater Sudbury just after 3 a.m., April 23.
The 3.6 magnitude earthquake is believed to have been triggered by mining activity.
These kinds of earthquakes are relatively common in northern Ontario. On April 1, there was a 2.9 magnitude earthquake near Haileybury, the agency reports.