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A colossal earthquake has struck eastern Russia, prompting a tsunami warning for the area.
The tremor registered a staggering 7.8 on the Richter Scale, delivering significant force and hitting the Russian city of Petropavlovsk-Kamchatskiy, near the Kamchatka peninsula. The US Geological Survey reported that the quake occurred at a depth of 10 km (6.21 miles).
The region holds strategic importance for Russia, housing the Russian Pacific Submarine Fleet and numerous airbases.
Among these is the Yelizovo Air Base, situated in Petropavlovsk-Kamchatsky itself. Additionally, the Vilyuchinsk Submarine Base, a key Pacific Fleet base, is roughly 20-30 km away in Vilyuchinsk, along with the Sharomy Air Base, a naval air base located about 143 km north of the city.
It remains unclear whether the submarines or aeroplanes were evacuated in time, and there is scant information currently available regarding the overall damage caused by the earthquake, reports the Mirror.
Kamchatka’s governor, Vladimir Solodov, announced that all emergency services have been placed on high alert following the issuance of a tsunami warning by Russian authorities.
The US National Weather Service’s Pacific Tsunami Warning Centre in Hawaii issued a tsunami advisory in the wake of the quake. Other nations, including Japan, have been alerted to brace for a potential tsunami.
The impact is anticipated to traverse the Pacific, with residents in Hawaii being advised to prepare.
Kamchatsky boasts a population of 181,000 residents and is situated on the Kuril-Kamchatka Arc, stretching 2,100 km from Hokkaido, Japan through the Kuril Islands and along the Pacific coastline of the Kamchatka Peninsula.
The Kuril-Kamchatka Arc ranks amongst the globe’s most seismically volatile areas. The most powerful megathrust earthquake to strike the arc during the 20th century occurred on November 4, 1952, registering a devastating 9.0 magnitude.
This recent earthquake marks the second tremor in under a week, with the US Geological Survey confirming it hammered Russia’s Kamchatka peninsula during the early morning hours of Saturday, September 13. The tremor also followed weeks after a colossal 8.8 magnitude earthquake – the sixth most powerful ever documented – rocked the area.
The USGS confirmed the quake’s epicentre lay 111.7 km (69.3 miles) east of Petropavlovsk-Kamchatsky at a depth of approximately 39 km (24 miles).
Yet on that particular instance, authorities issued no tsunami alert. That earthquake represented an “aftershock” from the enormous magnitude 8.8 tremor that commenced off Russia’s Kamchatka Peninsula coastline in July.
Beginning at a depth of roughly 20 kilometres, the devastating quake ranked within the 10 most powerful in documented history and represented the planet’s largest since 2011. The enormous event sparked tsunami alerts and evacuations across Russia, Japan and Hawaii, with warnings extended to the Philippines, Indonesia, and as distant as New Zealand and Peru.
While last week’s 7.4 magnitude earthquake seemed to cause less disruption, it is understood that tonight’s (18 September) was more powerful.
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