Within 10 minutes, the McQuaid Jesuit seismograph station picked up and recorded the 7.0 magnitude earthquake that recently hit 8 miles north of Anchorage, Alaska.
It can take up to 25 minutes for an earthquake to be picked up by a seismograph station, depending on how far it is from the epicenter. The earthquake hit at approximately 17:29 Greenwich Mean Time, or 12:29 p.m. locally.
McQuaid is a partner with Columbia University’s Lamont Doherty Seismic Network, which provides technical expertise and support to its constituents. McQuaid’s seismic data is forwarded to the national repository of seismic data for advanced study.