The 5.7 magnitude earthquake shook Shizuoka Prefecture and authorities warn of possible strong aftershocks in the coming days. Posted on November 8, 2026November 8, 2026 More than 20 people were injured after a strong earthquake shook central Japan, smashing shop windows and forcing people to flee buildings, according to media and local authorities. The magnitude 5.7 earthquake occurred at 1:04 a.m. local time Sunday (1600 GMT Saturday) at a depth of about 40 kilometers (25 miles) in western Shizuoka prefecture, according to the Japan Meteorological Agency. Recommended Stories list of 3 itemsend of list More than 20 people were injured in Aichi and Shizuoka prefectures, Kyodo news agency cited authorities. No tsunami warning was issued, Kyodo reported. The earthquake was not felt in Tokyo, which is far from the epicenter. Japanese television showed broken storefronts and shards of glass scattered across the streets. A bookstore was left with piles of books that had fallen from the shelves. Some of the injured had fallen down stairs while trying to flee, the Associated Press news agency reported. Aftershock warnings The weather agency warned people to be prepared for possible strong earthquakes in the coming week, especially the next two or three days. In the Nankai Trench, an underwater ocean trench where two major tectonic plates meet in parts of Japan, where scientists say a megaearthquake could occur. Some local train services were suspended, while Shinkansen bullet trains ran at slower speeds in affected areas as a precaution. Trains on the Tokaido Shinkansen line, which connects Tokyo and Osaka, were delayed between Shizuoka and Gifu-Hashima stations after security checks, rail operator JR Central said.