When you hear about an earthquake’s magnitude in the news — like Turkey’s recent magnitude 7.8 quake — moment magnitude is usually the scale being used. 4) Sorry, your pets can’t predict earthquakes eitherReports of animals acting strange ahead of earthquakes date back to ancient Greece. This is a big part of why casualties are so high when earthquakes strike remote parts of the country. 8) The big one really is coming to the United States (someday)The really big one you keep hearing about is real. We don’t know when these earthquakes will rock us; we just have a rough estimate of the average time between them, which changes from region to region.