New Delhi, July 30 -- The powerful and deadly 8.8 magnitude Russia earthquake today, which triggered tsunami alerts in parts of Russia, Japan, Hawaii and the US, struck about 119 kilometres southeast of Petropavlovsk-Kamchatsky city. According to United States Geological Survey (USGS) the seismic activity occurred at a shallow depth of 20.7 kilometres.

"The July 29, 2025, M8.7 earthquake east of Petropavlovsk-Kamchatsky, Russia, occurred as the result of shallow reverse faulting," the USGS said.

Lying in a zone of intense seismic activity, Kuril-Kamchatka is prone to earthquakes due to the ongoing collision of the North American plate with the Pacific plate.

Shallow earthquakes are more dangerous and destructive than deeper ones as the...