A powerful earthquake has struck eastern Russia, leading to a tsunami alert in the area. The earthquake registered a magnitude of 7.8 on the Richter Scale and hit the city of Petropavlovsk-Kamchatskiy near the Kamchatka peninsula. The quake occurred at a depth of 10 km (6.21 miles), as reported by the US Geological Survey. This region holds strategic importance for Russia due to its hosting of the Russian Pacific Submarine Fleet and various airbases.
Notable installations in the area include the Yelizovo Air Base in Petropavlovsk-Kamchatsky, the Vilyuchinsk Submarine Base about 20-30 km away in Vilyuchinsk, and the Sharomy Air Base located approximately 143 km north of the city. The status of the evacuation of submarines and airplanes remains unclear, and information on the extent of the earthquake’s impact is limited at this time.
Vladimir Solodov, the governor of Kamchatka, has confirmed that all emergency services are on high alert, with Russian authorities issuing a tsunami warning. The US National Weather Service’s Pacific Tsunami Warning Centre in Hawaii has issued a tsunami advisory following the earthquake, urging countries like Japan to prepare for potential tsunami waves that may travel across the Pacific. Residents in Hawaii have been advised to stay vigilant.
Petropavlovsk-Kamchatsky, with a population of 181,000, is situated on the Kuril-Kamchatka Arc, a 2,100 km stretch extending from Hokkaido, Japan along the Kuril Islands to the Pacific coast of the Kamchatka Peninsula. This region is known for its high seismic activity, with historical records showing significant earthquakes, such as the 1952 9.0 magnitude event.
This recent earthquake is the second to hit the Kamchatka peninsula in less than a week, occurring in the early hours of Saturday, September 13. The quake’s epicenter was reported to be 111.7 km (69.3 miles) east of Petropavlovsk-Kamchatsky, with a depth of approximately 39 km (24 miles). Despite its strength, no tsunami warning was issued for this event. It followed a massive 8.8 magnitude earthquake that struck the region weeks earlier.
The earthquake, originating at a depth of around 20 kilometers, ranks among the top 10 strongest recorded quakes globally and is the most significant since 2011. It triggered tsunami warnings and evacuations in multiple countries, including Russia, Japan, and Hawaii, with advisories extending to the Philippines, Indonesia, New Zealand, and Peru.
Although a 7.4 magnitude earthquake occurred last week with less disruption, the latest earthquake on September 18 was reported to be stronger.