A strong 8.7-magnitude earthquake close to Russia’s Kamchatka Peninsula caused a tsunami warning for Japan, Russia, Hawaii, Alaska, and the US West Coast. Emergency teams moved people to safety and opened shelters for those in need.
Strong Earthquake Shakes Kamchatka and Northern Japan
On July 30, 2025, a strong 8.7-magnitude earthquake struck under the sea near Russia’s Kamchatka Peninsula. The US Earth Science Agency reported that the tremor’s epicenter was about 250 kilometers north of Hokkaido, Japan, and around 150 kilometers southeast of Petropavlovsk-Kamchatsky, Russia. The quake started deep under the ocean at a depth of 19.3 kilometers.
Hokkaido felt only light shaking, but Kamchatka experienced intense movement. People in Petropavlovsk-Kamchatsky reported shaking strong enough to knock out power and mobile networks. Emergency teams treated minor injuries and confirmed damage at a nearby kindergarten.
Tsunami Warning Issued Across Pacific Coastlines
Soon after the quake, tsunami warnings were sent out across the Pacific. Japan’s weather agency issued alerts for the northern and eastern coastlines, warning that waves up to 3 meters could hit. The first wave reached Nemuro in Hokkaido at about 30 cm, and experts expected larger ones to follow.
In Russia, water waves between 3 and 4 meters hit the coastlines of Kamchatka and the Kuril Islands. Authorities moved thousands of people living near the coast to safer areas.
The US Tsunami Warning Center also issued alerts to Hawaii, Alaska’s Aleutian Islands, and the West Coast of the US. Warnings were also sent to Pacific nations like Guam, Micronesia, and the Philippines. Experts said high waves could hit Hawaii and Russia, while smaller ones could reach Taiwan, Korea, and parts of Southeast Asia.
People Moved to Safety as Authorities Act Fast
In Hawaii and Alaska, sirens sounded, and local leaders told people in low-lying areas to leave quickly. Residents got emergency alerts on their phones, and public shelters opened their doors. Along the US West Coast, officials told people to stay away from beaches and prepare to move inland if needed.
In Japan, train services were stopped in some areas, and the government formed a response team to handle the situation. They moved people from high-risk zones right away. Workers at the Fukushima nuclear plant were evacuated due to safety concerns. Officials later confirmed the plant had no damage or leaks.
In Russia, rescue teams quickly helped people leave coastal towns and treated several injuries, most of them caused by fear or rushing. A smaller quake measuring 6.9 hit the same region a few hours later, causing more concern.
Ongoing Warnings and Risk of More Quakes
Officials kept the tsunami warning active and told people to stay off the beaches and away from coastal areas. They cautioned that subsequent waves might be more powerful than the initial one.
Russia’s earthquake center also warned that more strong shakes could follow in the next few weeks, possibly reaching a strength of 7.5. Emergency workers in all affected areas stayed on high alert, ready to respond if needed.
Recovery Begins While Communities Stay Alert
The earthquake damaged power lines and phone networks in several towns, making it harder to reach some areas. Relief workers set up temporary shelters for families who had to leave their homes. These shelters provided food, water, and medical help.
So far, no major loss of life has been reported, but teams are still checking remote areas. Damage to homes, schools, and roads has already been confirmed. The quick spread of tsunami warnings and fast action by local teams helped protect many lives.
This major earthquake was one of the strongest to hit the Pacific in years. It reminds us of how important it is to stay ready and act fast when nature strikes.