4.6 magnitude earthquake hits California

Thursday, July 18, 2019

In the early hours of the morning a magnitude 4.6 earthquake had hit California inducing fears of ‘The Big One’ intending that the large earthquakes is on its way. At 8.59 pm earthquake struck near Coso Junction, north of Ridgecrest in California.

After four minutes a magnitude-2.7 quake hit 6.8 miles north-northeast of Coso Junction.
According to USGS at 10.18pm PST (6.18am BST) a magnitude-3.5 earthquake struck 6.2 miles northeast of Coso Junction.

It was confirmed by the USGS there have been 34 earthquakes which were greater than magnitude 2.5 in California in the last 24 hours.

There have been 840 earthquakes in California in total in the last 24 hours. A pair of massive temblors had rocked the Ridgecrest in California earlier this month.
It included a 7.1 quake and was the most powerful shaker to strike California in 20 years.

On July 4 and 5 California was hit by two major earthquakes that led to spontaneous fires and damage across the southern part of the state.

Residents of the Ridgecrest in Southern California reported rocking and trembling houses. It was the epicenters earthquakes.

On July 5 the Californian communities was rattled with the shakes from the magnitude 7.1 earthquake and was being felt as far away as Phoenix, Baja California and Reno, according to the US Geological Survey (USGS).

According to the USGS, however, there is no reason to panic and USGS National Earthquake Information Center geophysicist Rafael Abreu said the sequence of earthquakes does not necessarily mean ‘The Big One’ is about to hit.

He mentioned that the specific sequence of earthquakes – the ones in Ridgecrest and the ones in Blackhawk – are not indicative that ‘The Big One’ is coming.

The Ridgecrest quake occurred near the Little Lake fault zone and the latest 4.6 earthquake was recorded near the Southern Sierra Nevada fault zone which according to USGS have a slip rate of one to five mm a year.

The comparison revealed that the San Andreas Fault, which serves as a tectonic boundary between the North American and Pacific plates, moves more than 5 mm per year.
The average time between large earthquakes along the San Andreas fault line has been surpassed by California. It has sparked concerns that the area is overdue for a massive temblor.

However, the USGS predicts the time elapse is normal.

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