A powerful 6.1-magnitude earthquake struck the Tokyo area on Thursday night, but officials said there was no casualty and there was no danger of a tsunami.

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The Meteorological Agency said the quake was centered in Chiba Prefecture, east of Tokyo, at a depth of 80 kilometers (48 miles).

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It caused buildings to vibrate and objects such as signs for hanging violently swung, but no injuries or damage were reported. Chief Cabinet Secretary Hirokazu Matsuno said officials were investigating any possible damage. He said there is no abnormality in nuclear power facilities in the area.

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A Japanese national flag flies outside the Bank of Japan (BOJ) headquarters on September 27, 2021 in Tokyo, Japan. (Photographer: Toru Hanai/Bloomberg via Getty Images)

Tokyo Electric Power Company Holdings said about 250 homes in the city of Tokyo went out of power.

NHK public television said “Shinkansen” Super Express trains in and out of Tokyo were temporarily halted.

NHK said several elevators, including Tokyo’s Metropolitan Government Building, stopped on their own and officials were using the stairs.

Yoshiyuki Yoshihara, an official in Tokyo’s Adachi district, said several elevators were closed and people were trapped inside, but operations resumed later.

Videos taken in the busy city districts of Shibuya and Shinjuku showed cars moving and people walking on the streets as usual.

New Prime Minister Fumio Kishida posted a message on Twitter urging people to “check the latest information and take action to protect their lives”.

Kishida returned to his office late Thursday to lead the government’s response.