of did anyone feel any tremors? i felt groggy all of a sudden.

Did the earth move? I felt groggy all of a sudden. The same feeling as the ones in 2005. 2005 is a long time but that experience cannot be forgotten.

Could it be because of these?

USGS reported an earthquake in Southern Sumatra, Indonesia. Magnitude 8.0 at 2007 September 12 11:10:19 UTC.

And it is not only 1 earthquake.


Taken off USGS site. Earthquake with magnitude of 7.9!

Updates:
Other bloggers have also felt it.
- Tremors In Singapore
- The Earth Shook
- Tremors felt...
- Tremor
- 7.9 magnitude earthquake hits Sumatra, tremors felts in Singapore, tsunami warning issued

- ChannelNewsAsia has confirmed the 7.9 Eartquake. Singapore buildings sway after strong quake hits Indonesia
- Tremors
- Quake!
- Earthquake in Indonesia, Tremors in Singapore