The 23 July 2010 mN 4.1 Laurier‐Station, Quebec, Earthquake: A Midcrustal Tectonic Earthquake Occurrence Unrelated to Nearby Underground Natural Gas Storage

On 23 July 2010, at 17:24 coordinated universal time (13:24 local time), a Nuttli magnitude (mN) 4.1 (Mw 3.5) earthquake occurred near Laurier‐Station, Quebec, approximately 40 km southwest of Quebec City, Quebec. The earthquake was widely felt by most people within 50 km of the epicenter and by some up to 170 km. The event had an oblique thrust mechanism at a depth of approximately 23.5 km. This focal depth indicates that the earthquake …