Editor's note: The above video is a previous report of UW researchers looking for the public's help to study earthquakes.
A magnitude 5.6 earthquake shook off the coast of British Columbia Friday morning.
The earthquake occurred north of Vancouver Island just before 6 a.m., according to the USGS. The quake centered at a depth of three miles.
A magnitude 4.6 aftershock occurred minutes later.
Shortly before the 5.6 quake off the coast of BC, a magnitude 2.9 earthquake was recorded in Yelm, according to USGS.