As March 27th approaches, it’s hard to get earthquakes off my mind. Below is a great short film by the U.S. Geological Survey that reveals the scope of the biggest earthquake ever to hit the Northern Hemisphere, the Good Friday Quake that hit Alaska on March 27, 1964.

The ’64 quake lasted over four minutes. That’s a ridiculously long time for an earthquake. Four minutes is how long it takes Elsa to sing “Let It Go” in the movie Frozen. It’s how long hard-core, Olympic-level runners run to reach a mile. In four minutes on a typical day in the United States, 30 babies are born, 38 people die, and 4,080 Big Macs are eaten. Four minutes in a 9.2 earthquake is forever.

Watch the video. When you’re done, check your watch. The video below – four minutes and four seconds long – is shorter than the quake itself.