The USGS said the earthquake hit four miles northeast of Upland in San Bernardino County at about 7:28 p.m.
The earthquake reading was recorded by the ABC7 QuakeCam.
Several ABC7 viewers took to social media to tell us about the earthquake.
@ABC7 yes Ontario
— Portillo. R. (@sp8cemanspiff) May 24, 2016
@ABC7 yep, in chino!
— Vanessa ️️ (@Vanessy_04) May 24, 2016
@ABC7 felt in Covina
— Rose (@RoseLindseyy) May 24, 2016
@ABC7 Yes, Rialto
— Jairzinho G. (@jhair_gonzalez) May 24, 2016
@ABC7 In Upland and felt it!!!!!!
— Nik's Boom (@NikkiLove2408) May 24, 2016
Viewers told ABC7 they felt the earthquake in Upland, Ontario, Chino Hills and Rialto.