A whole lotta shakin’: 7.6 magnitude quake off Japan sparks tsunami alerts

A strong magnitude 7.6 earthquake struck off the coast of northern Japan near Hokkaido late Monday, the Japanese Meteorological Agency (JMA) reported, according to NBC News. Early estimates initially reported a magnitude of 7.2 before revising to 7.6. The quake’s epicenter was roughly 30 miles (about 50 kilometers) below the sea surface near Aomori prefecture, approximately 44 miles (70 kilometers) offshore, the United States Geological Survey (USGS) confirmed, according to CNN’s report. 

The tremor was widely felt, including in Tokyo, where it lasted over 30 seconds, causing power outages and suspending high-speed trains between Fukushima and Aomori, according to Chief Cabinet Secretary Minoru Kihara and CNN’s reporting from Japan’s capital.

Tsunami alerts and evacuations underway

Following the earthquake, the JMA issued a tsunami warning for parts of Japan’s northeast coast, including Iwate, Aomori, and Hokkaido, alerting residents to potential waves as high as 10 feet (3 meters), CNN said. Some locations have already experienced smaller tsunami waves: Kuji port in Iwate recorded waves 2.3 feet high, while Aomori and Hokkaido saw waves around 16 inches. 

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Coastal communities have been urged to evacuate to higher ground or move to safe buildings. Officials reported localized injuries and fires, but no immediate abnormalities at nearby nuclear power plants, where safety checks are ongoing, according to government sources and public broadcaster NHK, NBC stated.

Preparedness in a nation familiar with disaster

Japan, which lies on the Pacific ‘Ring of Fire,’ regularly experiences seismic activity, according to CNN. Its worst recent disaster was the 9.1-magnitude 2011 Tōhoku earthquake, which caused a massive tsunami and led to the Fukushima nuclear crisis. While the current quake is smaller, it has prompted swift response measures, including the activation of a government emergency response center led by Prime Minister Sanae Takaichi. Japan continues monitoring the situation to safeguard residents and assess damage.

This latest earthquake underscores the country’s ongoing vulnerability to seismic hazards and the importance of rapid emergency action to protect lives and infrastructure.