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Wednesday, Sep 17, 2025
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Japan Lifts Tsunami Advisory Following Magnitude 6.6 Earthquake
Despite initial fears, the southwestern region reports no significant damage or injuries as aftershocks remain a possibility.
On Monday, Japan's Meteorological Agency issued—and subsequently lifted—a tsunami advisory following a magnitude 6.6 earthquake that struck the southwestern regions of the country.
Occurring at 9:19 PM local time, the quake was initially estimated at a magnitude of 6.9, later revised to 6.7, before the agency officially adjusted it to 6.6. The tremor hit with an epicenter at a depth of 36 kilometers (22 miles) on the island of Kyushu, shaking a wide area and prompting immediate precautionary measures.
In response to the seismic activity, authorities promptly advised evacuation for residents in coastal zones, particularly in Miyazaki prefecture, located on Kyushu, and nearby Kochi prefecture on Shikoku island.
Although a tsunami was predicted, the wave that reached Miyazaki Port was modest, measuring only 20 centimeters (0.7 feet) high.
No significant damage has been reported.
Japan’s state broadcaster, NHK, reported minimal disruption, with moving traffic and continued electric power in many parts of the affected area.
There were, however, inconveniences; trains at Miyazaki station temporarily halted operations, leaving passengers stranded.
A single minor injury was reported—a man in Kyushu who fell during the tremors.
While the tsunami advisory was called off before midnight, agency official Shigeki Aoki cautioned residents to remain vigilant of potential aftershocks, landslides, and falling objects over the coming days.
Japan, situated on the seismically active 'Ring of Fire,' regularly experiences earthquakes owing to its tectonic positioning.
In the absence of tsunami threat, the focus shifted to assessment and understanding of any long-term geological implications.
A group of experts convened late Monday to explore potential correlations with the Nankai Trough, a seismically active region known for past catastrophic quakes, including a deadly 7.1 magnitude tremor in August 2024 and the 1946 disaster that claimed over 1,300 lives.
Despite deliberations, no extraordinary measures were deemed necessary.
The government confirmed monitoring stations for nuclear facilities in the area registered no irregularities, assuring the public about the safety of power plants following the earthquake.
The swift actions reflect Japan's stringent disaster preparedness protocols and adaptive infrastructure, developed to mitigate risks in this earthquake-prone region.
Occurring at 9:19 PM local time, the quake was initially estimated at a magnitude of 6.9, later revised to 6.7, before the agency officially adjusted it to 6.6. The tremor hit with an epicenter at a depth of 36 kilometers (22 miles) on the island of Kyushu, shaking a wide area and prompting immediate precautionary measures.
In response to the seismic activity, authorities promptly advised evacuation for residents in coastal zones, particularly in Miyazaki prefecture, located on Kyushu, and nearby Kochi prefecture on Shikoku island.
Although a tsunami was predicted, the wave that reached Miyazaki Port was modest, measuring only 20 centimeters (0.7 feet) high.
No significant damage has been reported.
Japan’s state broadcaster, NHK, reported minimal disruption, with moving traffic and continued electric power in many parts of the affected area.
There were, however, inconveniences; trains at Miyazaki station temporarily halted operations, leaving passengers stranded.
A single minor injury was reported—a man in Kyushu who fell during the tremors.
While the tsunami advisory was called off before midnight, agency official Shigeki Aoki cautioned residents to remain vigilant of potential aftershocks, landslides, and falling objects over the coming days.
Japan, situated on the seismically active 'Ring of Fire,' regularly experiences earthquakes owing to its tectonic positioning.
In the absence of tsunami threat, the focus shifted to assessment and understanding of any long-term geological implications.
A group of experts convened late Monday to explore potential correlations with the Nankai Trough, a seismically active region known for past catastrophic quakes, including a deadly 7.1 magnitude tremor in August 2024 and the 1946 disaster that claimed over 1,300 lives.
Despite deliberations, no extraordinary measures were deemed necessary.
The government confirmed monitoring stations for nuclear facilities in the area registered no irregularities, assuring the public about the safety of power plants following the earthquake.
The swift actions reflect Japan's stringent disaster preparedness protocols and adaptive infrastructure, developed to mitigate risks in this earthquake-prone region.
