A 3.4-magnitude quake near the Riverside–San Bernardino line was followed minutes later by a 2.7 aftershock, with shaking reported across the Inland Empire.
A small jolt rattled the Inland Empire Wednesday night, with a 3.4-magnitude earthquake striking near the Riverside–San Bernardino county line and then being quickly followed by an aftershock.
The first quake was reported at about 8:48 p.m. near the Loma Linda area, centered just a few miles southeast of the city. According to Misryoum, the shaking was detected at a relatively shallow depth, which can influence how strongly it is felt at the surface.
Less than a minute later, a 2.7-magnitude aftershock occurred in the same general region. Misryoum reported that this second tremor took place at a slightly shallower depth and was felt by fewer people than the initial temblor.
Insight: Even when an earthquake’s magnitude is modest, the speed of aftershocks can test preparedness, especially for residents who are already indoors and might not expect additional shaking.
As the reports came in, Misryoum noted that the initial quake was widely reported through community feedback systems that track whether people felt the shaking. The coverage helped paint a picture of how the motion traveled through the Inland Empire, from nearby neighborhoods to areas farther out.
The aftershock, while smaller, still served as a reminder that earthquakes often unfold in sequences rather than as a single moment. Misryoum emphasized that people tend to notice aftershocks differently depending on where they are when the ground moves again.
In this context, it also highlights the importance of staying calm and informed after an event, since official updates and community reports can help residents understand what is happening in their area.
Insight: What matters most now is not just the magnitude number, but how communities respond—checking on neighbors, reducing hazards, and listening for reliable guidance if shaking continues.