A tsunami warning has been issued after fifth earthquakes, including the strongest magnitude 7.4 quake, were recorded off the Pacific coast of Russia, according to the United States Geological Survey (USGS).
The epicentres of a series of earthquakes – the others measuring 6.7 and 5 – on Sunday were about 140km (87 miles) east of Petropavlovsk-Kamchatsky, capital of Russia’s Kamchatka region, which has a population of more than 160,000.
According to the USGS, the quakes hit the same area off the coast of Petropavlovsk-Kamchatsky within 32 minutes.
The magnitude 7.4 earthquake was at a depth of 20km (12 miles). There were no immediate reports of casualties.
The US National Tsunami Warning Center issued a tsunami threat for parts of Russia. A separate tsunami watch issued for the state of Hawaii was later lifted.
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Magnitude 7.4
Region OFF EAST COAST OF KAMCHATKA
Date time 2025-07-20 06:49:03.1 UTC
Location 52.898 ; 160.638
Depth 20 km
Distance 1641 km E of Komsomolsk-on-Amur, Russia / pop: 275,000 / local time: 16:49:03.1 2025-07-20
136 km E of Petropavlovsk-Kamchatsky, Russia / pop: 187,000 / local time: 18:49:03.1 2025-07-20
Fifth earthquake in a row rocks Kamchatka :
Four earthquakes occurred in the same region, with a magnitude of 5.3, 6.5, 7.6 and 6.8.
Magnitude 6.6
Region OFF EAST COAST OF KAMCHATKA
Date time 2025-07-20 07:07:43.9 UTC
Location 52.805 ; 160.778
Depth 8 km
Distance 1650 km E of Komsomolsk-on-Amur, Russia / pop: 275,000 / local time: 17:07:43.9 2025-07-20
147 km E of Petropavlovsk-Kamchatsky, Russia / pop: 187,000 / local time: 19:07:43.9 2025-07-20
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Magnitude 6.5
Region OFF EAST COAST OF KAMCHATKA
Date time 2025-07-20 07:22:59.8 UTC
Location 52.982 ; 160.700
Depth 10 km
Distance 1645 km E of Komsomolsk-on-Amur, Russia / pop: 275,000 / local time: 17:22:59.8 2025-07-20
139 km E of Petropavlovsk-Kamchatsky, Russia / pop: 187,000 / local time: 19:22:59.8 2025-07-20
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Magnitude 6.0
Region OFF EAST COAST OF KAMCHATKA
Date time 2025-07-20 07:26:17.4 UTC
Location 53.042 ; 161.104
Depth 10 km
Distance 1672 km E of Komsomolsk-on-Amur, Russia / pop: 275,000 / local time: 17:26:17.4 2025-07-20
166 km E of Petropavlovsk-Kamchatsky, Russia / pop: 187,000 / local time: 19:26:17.4 2025-07-20
The Kamchatka Peninsula is the meeting point of the Pacific and North American tectonic plates, making it a seismic hot zone. Since 1900, seven major earthquakes of magnitude 8.3 or higher have struck the area.
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