We all grew up being told in school how California is along a major fault line, and that to expect to see a major earthquake there sometime, anytime, soon. Well, scientists are being left baffled by why they have not seen any major ground-rupturing quakes in the region in 100-years.

The computer models they have run for the fault lines in the region say there is only a 0.3% chance of this happening. As a result geophysicists are wondering if something else is causing the “earthquake pause”.

Read More: Live Science