The United States National Weather Service has lifted the briefly imposed tsunami warning for the West Coast after a 7.0 magnitude earthquake rocked the state of California. According to the US Geological Survey, the tremours were recorded on Thursday at a depth of 10 kilometres, almost 100 kilometres west-southwest of Ferndale.
At least 5.3 million people in the state were under a tsunami warning after the earthquake. According to the USGS analysis of the situation, the tremors were first felt at 10:44 am (local time) in the west of Ferndale, a small city in coastal Humboldt County near the Oregon border.
The quake was also felt as far south as the city of San Francisco, where residents felt a rolling motion for several seconds. The earthquake was followed by numerous aftershocks.
No reports of damage
According to local authorities, there were no immediate reports of major damage or injury. However, the officials noted that they are still monitoring the situation.
Shortly after the quake, TRT World reported that the San Francisco Bay Area Rapid Transit District, known as BART, stopped traffic in all directions through the underwater tunnel between San Francisco and Oakland. Lucy Jones, a seismologist at the California Institute of Technology, said that the Thursday earthquake occurred in what has been historically known as the most seismically active region.
She mentioned that the region has recorded more 7.0-magnitude earthquakes than anywhere else in the state. One of the main reasons California gets jolted by earthquakes frequently is that the state is located near an area where three different tectonic plates — the North American plate, the Pacific plate and the Juan de Fuca plate — come together. According to Jones, the Thursday earthquake occurred because of horizontal motion between the Juan de Fuca plate and the Pacific plate.
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