UpdateTaiwan hit by 5.8-magnitude earthquake, aftershock alert for Friday and Saturday

A 5.8-magnitude earthquake rocked Taiwan on Thursday morning, shaking high-rise buildings across the island and sending jittery residents onto the streets.
The quake struck off the coast of Yilan county in northeastern Taiwan at a a depth of 17.5km, according to the Central Weather Bureau’s earthquake centre.
The quake was followed by aftershocks, including one of magnitude 5.5, the centre’s spokesman Chang Chien-hsing said.
The major quake had about a quarter of the power of an atomic bomb, and the series of quakes was caused by the expansion of the seabed near Okinawa
Various other places in Taiwan, including eastern Hualien county, recorded magnitude-4 quakes, Chang said.
No major casualties or damage had been reported, police said.
“The major quake had about a quarter of the power of an atomic bomb, and the series of quakes was caused by the expansion of the seabed near Okinawa [in Japan],” Chang said.
He said more were expected on Friday and Saturday.