A preliminary magnitude 3.6 earthquake rattled San Bernardino County late Monday evening, marking the third temblor to hit the region within a 12 hour time period, according to the United States Geological Survey.

A magnitude 3.5 earthquake was reported Monday near San Bernardino at 9:44 a.m., followed by a 3.0 quake four minutes later, the U.S. Geological Survey reported.

A magnitude 3.0 earthquake shook the San Bernardino area Monday morning, according to the U.S. Geological Survey.

Twin earthquakes shocked California today, just four miles from San Bernardino, registering at about 3.5 on the Richter scale, as X quickly lit up with posts that said the quake felt like 'jolts that rattled nerves and frightened pets.

The U.S. Geological Survey reported an earthquake with a preliminary magnitude of 3.0 ​hit the San Bernardino area Monday morning.