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Powerful Earthquake Triggered Tsunamis, but Why Didn’t They Cause More Damage?
KAMCHATKA PENINSULA, RUSSIA, JUL 30 – The 8.8 magnitude quake is the strongest since 2011 and has prompted evacuations and tsunami warnings across the Pacific, including in Japan and Hawaii, officials said.
- On July 30, 2025, a powerful 8.8 magnitude quake occurred near Russia’s Kamchatka Peninsula, causing a tsunami that inundated the town of Severo-Kurilsk.
- The earthquake’s strength matched the 2010 Chile Maule quake, but tsunami waves reached only about 4 meters due to factors like earthquake depth and seafloor shape.
- Tsunami wave height depends on seafloor displacement and coastal geography, and waves often slow and increase in height approaching shallow water near land.
- Josh Green, Hawaii’s governor, warned waves might be life-threatening despite hopes otherwise, while experts note small depth shifts can significantly reduce tsunami amplitude.
- This event shows that even powerful earthquakes don’t always cause massive tsunamis, highlighting the importance of local geological and oceanic conditions in tsunami impact.
116 Articles
116 Articles
Mystery surrounds state of Russian sub base near 8.8-magnitude earthquake epicentre - Daily Star
Questions are mounting over the state of a Russian nuclear base located alarmingly close to the epicentre of an 8.8-magnitude earthquake that struck the far east on Wednesday
The earthquake had a magnitude of 8.8.
Massive 8.8 Earthquake off Russia Leaves Millions in US on Edge
New images capture the moment a massive 8.8-magnitude earthquake struck Eastern Russia. In the hours that followed, more than 100 aftershocks were recorded with the earthquake sending Hawaii and the entire West Coast of the United States in the path of a potentially dangerous tsunami. NBC’s Liz Kreutz reports for TODAY from Honolulu.
Why did such a powerful earthquake produce such a weak tsunami? - West Hawaii Today
Early Wednesday, a powerful earthquake, one of the largest ever recorded, struck off the coast of the Kamchatka Peninsula in Russia. Tsunami centers along the Pacific coastline quickly sprung into action, issuing warnings for the potential of colossal ocean waves that are often generated by big earthquakes.
ThePatriotLight - Mystery over state of Russian bases housing Putin’s most prized nuke subs near epicentre of 6th biggest quake on record
ThePatriotLight - THE condition of a prized Russian nuclear submarine base in the Pacific remains a mystery after it was struck by the monster earthquake. The 8.8 magnitude monster hit off the coast of Kamchatka just before 1am BST on Tuesday and is the sixth biggest on record. 7The port of Severo-Kurilsk flooded due to tsunami triggered by the 8.8 magnitude earthquakeCredit: Getty7A map of the Naval base in KamchatkaCredit: fas.org7A Borei clas…
Mystery over state of Putin's nuke sub bases near epicentre of huge quake
THE condition of a prized Russian nuclear submarine base in the Pacific remains a mystery after it was struck by the monster earthquake. The 8.8 magnitude monster hit off the coast of Kamchatka just before 1am BST on Tuesday and is the sixth biggest on record. GettyThe port of Severo-Kurilsk flooded due to tsunami triggered by the 8.8 magnitude earthquake[/caption] fas.orgA map of the Naval base in Kamchatka[/caption] ckb-rubinA Borei class subm…
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