A positive leap second will be introduced at the end of December 2005 to keep up with the slowing earth's rotation.

At midnight Coordinated Universal Time (UTC) atomic clocks worldwide will read 23:59:60 before hitting 00:00:00. This year's leap second will add an extra second to atomic clocks at NIST in Boulder, Colo., and other sites around the world. Normally, the last second of the year is 23:59:59 UTC on Dec. 31, 2005, while the first second of the new year being 00:00:00 UTC on Jan. 1, 2006. The leap second added at 23:59:59 UTC (06:59:59 p.m. Eastern Standard Time) on Dec. 31, will make the atomic clocks read 23:59:60 UTC before changing to all zeros.
Official bulletin.

As per a report in a major regional newspaper an India, N.Venkatraman, a seisomologist from Chennai University following a research announced that there is an 80% chance of a major earthquake of magnitude 7.0 (Richter Scale) on 2nd Jan, 2006.

The epicenter will be in the islands within Eastern Sumatra. The north eastern states of Arunachal Pradesh as well as Himachal Pradesh might as well experience the effects.

The other places that might be affected as per the reports are San Francisco in U.S.A, Ryukyu Islands in Japan.