Taiwan shaken by the most powerful earthquake in 25 years. The 7.4 magnitude earthquake in the city of Hualian activates tsunami warnings.

So far, authorities have not reported any victims. The tremor could also be felt on the Japanese islands of Okinawa with a force of four degrees, and the Japanese authorities issued a tsunami warning. The earthquake occurred at 7:58 a.m. and, according to the authorities, it is the strongest quake in the last 25 years, the USGS says.