A 5.9-magnitude undersea earthquake rocked the North Maluku provincial capital of Ternate on Tuesday evening but there was no immediate report of casualties or material damage, according to the local geophysics station. The epicenter of the quake which struck at 03.18 p.m. local time on Tuesday was located 114 km southwest of Ternate at a depth of 13 km, ANTARA quoted head of the Ternate geophysics station Ario Fauzi as saying. The quake did not have the potential to trigger a tsunami, he said.