A magnitude 4.4 earthquake centered in El Sereno rattled the Los Angeles space Monday afternoon.
The quake was felt over a large swath of Southern California, however there have been no speedy studies of injury.
The temblor struck at 12:20 p.m. The preliminary epicenter was in El Sereno, about 1,000 ft southwest of Huntington Drive and Collis Avenue.
Seismologist Lucy Jones, a Caltech analysis affiliate, stated the earthquake occurred on the identical total fault community that produced the 1987 Whittier Narrows magnitude 5.9 earthquake.
It wasn’t instantly clear whether or not the earthquake was on the Puente Hills thrust fault or the Decrease Elysian Park thrust fault, or maybe a secondary system between these two faults, Jones stated. Each the Puente Hills thrust fault and the Decrease Elysian Park thrust fault are buried and don’t attain the floor of Earth.
“After we’ve tried to picture them — which isn’t straightforward, proper? — … we see an online. We don’t see one clear system. And we see a number of completely different strands,” Jones stated. “We have to keep in mind that is solely a four-and-a-half, and due to this fact, associating it with a selected fault is all the time going to be problematic.”
The earthquake didn’t happen on the Raymond fault, which will be clearly mapped, Jones stated.
Many Southern California residents acquired alerts on their telephones warning the quake was coming, one other win for the area’s earthquake early warning system.
When a quake struck Bakersfield final week, tens of millions bought the alert.
In line with the U.S. Geological Survey, Monday’s temblor was felt throughout the L.A. basin and as distant as San Diego and Ventura.
Those that have iPhones can get earthquake early warnings by downloading the free MyShake app, developed by UC Berkeley and offered in partnership with the California Governor’s Workplace of Emergency Providers, which alerts customers in California, Oregon and Washington. San Diego County additionally gives the free SD Emergency app, which incorporates the ShakeReadySD earthquake early-warning instrument.
Individuals who don’t have smartphones or haven’t put in early-warning apps can nonetheless get quake alerts on their cellphones — however just for these by which a better magnitude or larger degree of shaking is projected at their location. These alerts are despatched by means of the Wi-fi Emergency Alert system, much like Amber Alerts.