Tremors felt in Irvine, Anaheim, Menifee and Riverside — Earthquake: A practical reader guide

Tremors felt in Irvine, Anaheim, Menifee and Riverside — Earthquake: A practical reader guide

A 3.4-magnitude earthquake hit Southern California’s Inland Empire near Ontario early Wednesday morning, according to the US Geological Survey (USGS).

Residents reported mostly light shaking. Tremors were felt across several Southern California communities. The USGS Interactive Map showed reports of shaking in Irvine, Anaheim, Menifee, Riverside, San Bernardino and West Covina. San Bernardino County officials also asked residents whether they felt the tremor. County officials posted on Instagram asking people to report if they experienced the earthquake . There were no immediate reports of damage. Neither the USGS reports cited by CBS News nor the reports provided by The Sun mentioned any damage following the earthquake. The earthquake was relatively small, but its shallow depth helped make the shaking noticeable in nearby areas. The earthquake affected a wide area around the Inland Empire .

The earthquake happened at around 5:37 am Wednesday. The USGS said the epicenter was about 3.7 miles southeast of Ontario. Another report placed it around 4 miles southeast of Ontario. The earthquake was also about 12.5 miles east of Riverside. The quake happened at a depth of about 4 miles, according to the USGS. The USGS Felt Report received 226 responses, with most people saying they felt light movement from the earthquake. The USGS placed the quake at about 4 miles deep, with the epicenter just southeast of Ontario.

Reports of shaking stretched beyond Ontario to communities including Riverside, San Bernardino, Irvine, Anaheim, Menifee and West Covina, according to the USGS Interactive Map.