The 8.8 magnitude earthquake that reached the east of Russia on Wednesday (30), with impacts throughout the Pacific, is related to a phenomenon that has occurred for thousands of years: the Pacific Fire Circle.
This is the name of a region with horseshoe format that has intense seismic and volcanic activity on both sides of the Pacific Ocean. The Kamchatka Peninsula, where one of the greatest tremors in history took place, is in this area.
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O Fire circle extends for 40 thousand kilometerscovering from the southern end of South America, passing through the west coast of North America, Bering Strait, Japan and ending in New Zealand. Thus, several countries of the Americas, Asia and Oceania are affected, such as Chile, Mexico, Japan and New Zealand.
How does the circle of fire cause earthquakes?
The main reason for the area to have so many seismic shakes is the movement of tectonic plates exactly in this region of the “horseshoe”. Among blocks of the outer layer of the earth that move the region of the circle of fireis the Pacific sign and the American.
The two slide with each other, making the peaceful dive under the other – a movement known as subduction. This results in various risks of tsunamis, earthquakes, as well as the emergence of volcanoes.
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Any geological change in the earth’s core can cause serious disasters to the region’s population. AND estimated that more than 450 million people live in the area of the circle of fire.
Impacts of the earthquake spread
As shown, this Wednesday’s tremor was the strongest since the 9.0 magnitude recorded in Japan in 2011, which caused Fukushima’s nuclear disaster.
The epicenter was located 119 km from Petropavlovsk-Kamchatsky, a Russian city of 180,000 inhabitants, at a depth of just over 20 km, according to the US geological service. Waves from 3 to 4 meters reached nearby ports, dragging boats and flooding coastal areas.
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The impact spread throughout the Pacific, with consequences in Japan, Hawaii, California, Oregon and Washington. Still, countries such as Mexico, Philippines, New Zealand, Fiji, Tonga and Samoa issued alerts for the population to avoid beaches, marinas and coastal areas, due to the risk of strong currents and sudden sea level variations.
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