A powerful magnitude 8.8 earthquake hit off Kamchatka on July 30, 2025, after being \u201cupgraded twice to 8.8.\u201d<\/p>\n
The epicenter lay about 119\u2013136 km from Petropavlovsk-Kamchatsky at a shallow depth near 20 km.<\/p>\n
2. Historic Scale<\/p>\n
This is the strongest regional quake since 1952, which caused \u201c9 m tsunamis\u201d and thousands of deaths.<\/p>\n
Globally, it ranks among the top ten most powerful ever recorded.<\/p>\n
3. Local Impacts & Tsunami Effects<\/p>\n
Severo-Kurilsk experienced heavy tsunami flooding, and \u201caround 2,000 people moved to safety.\u201d<\/p>\n
Waves reached 4 m locally. Petropavlovsk saw shaking, outages, a collapsed kindergarten wall, and minor injuries.<\/p>\n
Japan evacuated up to \u201c1.9 million people\u201d as waves of 30\u201350 cm arrived.<\/p>\n
Hawaii saw 4-foot waves, and the U.S. West Coast issued advisories.<\/p>\n
4. Wider Alerts & Aftershocks<\/p>\n
Many Pacific nations activated warnings with limited impacts.<\/p>\n
Aftershocks up to M6.9 occurred, with forecasts of more \u201cup to magnitude 7.5.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"
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