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Shallow Quake Rattles Inland Empire!
2 Sep
Summary
- A 3.4 magnitude earthquake struck near Ontario early Wednesday.
- The quake occurred at a shallow depth of approximately 4 miles.
- Over 200 residents reported feeling light shaking from the event.

Southern California's Inland Empire experienced a 3.4-magnitude earthquake early Wednesday morning. The tremor's epicenter was located approximately 3.7 miles southeast of Ontario, with the US Geological Survey reporting a depth of about 4 miles.
Residents across a wide area, including communities like Riverside and San Bernardino, reported feeling light shaking. The USGS Felt Report documented 226 responses, indicating that the shallow nature of the earthquake contributed to its noticeability.
The earthquake's effects stretched beyond Ontario, reaching as far as Irvine and Anaheim. The relatively shallow depth of the quake, just around 4 miles, was a key factor in the shaking being perceived by those in nearby locations.