This one wasn’t very strong in Taipei but it lasted a loooong time.
M 5.6 7.3 km ENE of Hualien City 2006-04-28 17:05 #043 (0428170556043)
http://www.cwb.gov.tw/V5e/seismic/Data/quake/EE0428170556043.gif
http://www.cwb.gov.tw/V5e/seismic/Data/quake/EE0428170556043.txt