The northeastern county of Yilan experienced the day's second earthquake of over 5 in magnitude Friday, with the latest one reaching 5.8 on the open-ended Richter scale, the Central Weather Bureau reported later that day. No immediate damage was reported. The second quake, which occurred at 8:41 a.m., was centered 81.5 km east of Suao at a depth of 109.5 km, seismologists said. It came five hours after a 5.4-magnitude tremor rattled the county at 3:43 a.m., with its epicenter located 25.9 km east of Nanao at a depth of 17.9 km. 