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Newsweek
5 days ago
- Science
- Newsweek
Major Earthquake Shifts and Sinks Huge Russian Peninsula
Based on facts, either observed and verified firsthand by the reporter, or reported and verified from knowledgeable sources. Newsweek AI is in beta. Translations may contain inaccuracies—please refer to the original content. Scientists in Russia have revealed the geological impact of an earthquake that struck Russia's far east and prompted tsunami warnings as far away as Hawaii. The Kamchatka Peninsula and surrounding Pacific Rim regions faced seismic instability after an 8.8 magnitude earthquake struck off the Russian coast on July 30. The magnitude of the event was so great that the southern part of the peninsula sank by almost two meters (six feet) according to the Kamchatka branch of the Unified Geophysical Service of the Russian Academy of Sciences (RAS). Newsweek has contacted the RAS for further comment. This illustrative image from March 16, 2021 shows the Klyuchevskoy volcano erupting on Russia's far eastern Kamchatka peninsula. This illustrative image from March 16, 2021 shows the Klyuchevskoy volcano erupting on Russia's far eastern Kamchatka It Matters The epicenter of the initial earthquake was around 74 miles east-southeast of the city of Petropavlovsk-Kamchatsky and triggered a tsunami that sent waves across the Pacific, prompting evacuations and emergency declarations from Russia to Hawaii. Days later, the remote Krasheninnikov volcano, dormant for roughly 600 years, erupted in the same region. The aftershocks highlighted the vulnerability of global coastlines in the Pacific Ring of Fire which is marked by intense tectonic activity. What To Know The Kamchatka branch of the Unified Geophysical Service of the Russian Academy of Sciences (RAS) said Tuesday it had conducted preliminary calculations of the earthquake which was among the 10 strongest in recorded history. Despite the earthquake's magnitude, no fatalities occurred and resulting tsunami damaged port facilities and a fish processing plant in Severo-Kurilsk. While the damage being less than feared, the geological impact was significant. The RAS said on Telegram two-meter displacements were observed after the earthquake in the southern part of the peninsula which were comparable to the horizontal displacements after the 2011 earthquake in Tohoku, Japan. That earthquake 14 years ago was the fourth highest ever recorded and triggered tsunami waves of up to 40.5 meters (133 ft) and preceded the Fukushima Daiichi nuclear disaster. Following the July 30 quake, Russia's Petropavlovsk-Kamchatsky area experienced more modest shifts of roughly 50 centimeters (about 20 inches), the scientists added. RAS director Danila Chebrov told Russian state media outlet Izvestia that Kamchatka not only shifted but also decreased slightly in height although there are no serious consequences expected. What People Are Saying Russian Academy of Sciences (RAS) on Telegram: "The maximum seismic displacements after the July 30 earthquake were observed in the southern part of the peninsula and amounted to almost 2 meters, comparable to the horizontal displacements after the 2011 earthquake in Tohoku, Japan." What Happens Next On Monday, Russian scientists revealed the extent of the aftershocks, saying that on that day alone there were seven earthquakes in the Kamchatka region, suggesting that the seismic events there are not over.
Russia Today
5 days ago
- Science
- Russia Today
Powerful earthquake causes Russian peninsula to shift (VIDEO)
The Kamchatka Peninsula has shifted by two meters and slightly subsided due to the massive 8.8-magnitude earthquake that struck Russia's Far Eastern region last week, according to geoscientists. The powerful quake triggered Pacific-wide tsunami warnings on July 30, prompted an eruption of the most active volcano on the peninsula, and activated several more in the surrounding area. 'Maximum co-seismic displacements following the quake were recorded in the southern part of the peninsula, reaching nearly two meters,' the Kamchatka branch of the Federal Research Center Unified Geophysical Service of the Russian Academy of Sciences (RAS) said in a statement on Tuesday. 'It turns out we all moved quite a bit to the southeast,' the researchers concluded, adding that these shifts match early models, which showed the most intense movement occurred on the southern side of the fault zone. The peninsula also sank in elevation, according to Danila Chebrov, director of the Kamchatka branch of the service. 'Kamchatka sank a little. In the area of Petropavlovsk-Kamchatsky, the drop was smaller, and it was greater in the south,' the scientist said on Wednesday in an interview with Izvestia. With its epicenter located 161km off the Kamchatka coast at a depth of 32km, the earthquake was the most powerful the region has experienced since 1952. Geoscientists initially recorded a magnitude of 7.5 but later revised it to 8.5 and eventually to 8.8. The tremors triggered tsunamis as far away as Japan, the United States, and the Northern Kurils. In the immediate aftermath, the Krasheninnikov volcano erupted for the first time in 600 years, while Klyuchevskaya Sopka, one of Eurasia's tallest volcanoes, also erupted in what officials called its strongest event in 70 years. The quake activated a total of seven volcanoes, according to Aleksey Ozerov, director of the Institute of Volcanology and Seismology, who called it 'an extremely rare phenomenon that can be described as a parade of volcanic eruptions.' Aftershocks and new seismic events continued to shake the region in the days that followed.
Mint
30-07-2025
- Science
- Mint
Scary tsunami waves, volcanoes and earthquakes… the Pacific ‘Ring of Fire' proves dangerous again
Russia's far eastern region of Kamchatka Peninsula was hit by a devastating 8.8 magnitude earthquake early on July 30, which also triggered a monstrous tsunami of up to 4 metres (13 feet) in height across the Pacific Ocean. Several people in Russia were injured and the coast recorded a 3-4 metre (10-13 feet) high tsunami wave, according to Sergei Lebedev, regional minister for emergency situations, Reuters reported. Further, tsunami alerts have been issued by Japan for its east coast, the United States for Hawaii and the west coast, and the various Pacific Islands. The US Geological Survey (USGC) in its report said the earthquake occured at a shallow depth of 19.3 km (12 miles), and was centred 119 km (74 miles) east-southeast of Petropavlovsk-Kamchatsky, a city of 1,65,000 people. Further, the US Tsunami Warning System also issued a warning of 'hazardous tsunami waves' exceeding 3 metres (10 feet) in height, within the next three hours. Some regions it gave alerts for include: the coasts of Ecaudor, Chile, Hawaii, Japan, Russia, the Solomon Islands and much of the Pacific, and the US west coast, including Alaska. Russia's eastern region, including the affected Kamchatka Peninsula lie in the geologically active area known as the 'Pacific Ring of Fire'. The region is highly prone to earthquakes and volcanic eruptions. An arc of seismic faults, the 'Ring of Fire' saw two large earthquakes in 2009, which triggered tsunami waves that killed at least 192 people in Samoa, American Samoa and Tonga, according to an AP report. In 2011, the eastern coast of Japan was evacauated following a devastating earthquake in the region that caused the Fukushima disaster. Geographically, the Pacific Ocean's Ring of Fire extends from Russia and Japan in the east, to the US west coast, and volcanoes in frozen south in Antarctica, including Mount Erebus, the southernmost volcano on Earth. Ocean trenches are also part of the Ring of Fire. This is why a major eruption or earthquake in the region triggers warnings across the globe. Ring of fire map: The area ranges the entire north coast of Antarctica, east coast of Asia and New Zealand, and west coasts of South America, North America and multitude of Pacific Islands scattered across the vast ocean, with the Bering Sea to the north. Note: Above map excludes Antarctica. Notably, the Russian Academy of Sciences said today's quake is the strongest to hit the region since 1952. Danila Chebrov, director of the Kamchatka Branch of the Geophysical Service, posted on Telegram, 'Aftershocks are currently ongoing ... Their intensity will remain fairly high. However, stronger tremors are not expected in the near future. The situation is under control.' According to a National Geographic education post, the Ring of Fire is a 40,000 km horseshoe shaped region housing 452 volcanoes from the southern tip of South America, up along the coast of North America, across the Bering Strait, down through Japan and into New Zealand, and further south in Antarctica. The geographic activity is due to constantly shifting of tectonic plates either causing earthquakes or volcanic eruptions along the fault lines. Some notable volcanoes in the belt include Antarctica's Mount Erebus, Mt Fuji in Japan, and Mount St Helen's in Washington, US. (With inputs from Reuters and AP)
