Earthquake in Southern Taiwan

The earth is still shaking as I type this post; they call it after shocks.
Just went trough an earthquake, which the Taiwan Central Weather Bureau rated it as a 6.5 in the Richter scale.
It went on shaking the building for a good 20 to 30 seconds, its epicenter was located in the southeast of Taiwan, off the shore of Taitung city.
This one is the 13th eartquake felt in Taiwan since 01 May 2004, with an intensity greater than 4.0 of the Richter scale.