A magnitude 3.1 earthquake was reported less than a mile south of Ontario International Airport early Wednesday afternoon, the U.S. Geological Survey says.

A small earthquake with a magnitude of 2.7 rattled through the Santa Monica Mountains in Southern California early Wednesday morning. According to the U.S. Geological Survey, the quake struck around 1:45 a.

A preliminary 3.1-magnitude earthquake struck near Ontario this afternoon, according to the U.S. Geological Survey.

A 3.5-magnitude earthquake struck near Ontario, California; no significant damage or injuries have been reported.

Californians asleep at around 2:45 a.m. Sunday were rattled awake by a magnitude 4.2 earthquake centered near the Central Coast.

An earthquake shook communities in Central California on Tuesday, according to the U.S. Geological Survey. The magnitude 4.0 quake struck around seven miles northwest of Avenal around 5:45 p.m., the USGS said.