3.8 magnitude seismic tremor hits Ontario, California; additionally felt in Los Angeles

3.8 magnitude seismic tremor hits Ontario, California; additionally felt in Los Angeles.

A 3.8 magnitude seismic tremor hit Southern California, close to the San Bernardino Region, Thursday night, as per the US Geographical Overview.

The tremor hit right beyond Ontario, around six miles south of Rancho Cucamonga and around 18 miles southwest of San Bernardino, the USGS said, and could be felt as distant as Los Angeles and Huntington Oceanside.

The USGS said the tremor began around eight miles underground and struck around 11:38 p.m. neighborhood time Thursday. There were no quick reports of harm or wounds.

The quake comes days after almost 20 tremors shook portions of Southern California within a brief timeframe.

The main seismic tremor recorded on Feb. 11 struck only northwest of El Centro, California. It was estimated at a size of 4.8, as indicated by the USGS, and from that point on, quakes went on around El Centro and Majestic, two urban communities found east of San Diego and near the Mexico line.

At what size does harm start to happen in seismic tremors?

As per the USGS, there isn't one size above which harm will happen. It relies on different factors, for example, the separation from the quake, what kind of soil you are on, and building development, among others. Be that as it may, the USGS says harm doesn't, as a rule, happen until the seismic tremor greatness arrives at some place over 4 or 5.