As of Oct 2011 there were 17 earthquakes of magnitude 7.0 and greater in 2011 with the largest being magnitude 9.0 in Japan on March 11th.
The list of earthquakes by year (1990-Present) or by country can be found at the USGS Earthquake Hazards website.
It provides a list of significant earthquakes for 2011 as well as a worldwide map of earthquakes for 2011.
See link below maps, lists, and statistics.
about 1,300,000
Scientists are able to predict large earthquakes to a certain extent. With the use of certain statistical methods, many earthquakes are able to be predicted.
New Zealand has many minor earthquakes a year, but only one major earthquake has happened in New Zealand in 2011.
It is impossible to tell. 2010 was a year of numerous large earthquakes around the globe. However, many smaller earthquakes occurred and many more that were too weak to be measured. It is estimated that millions of earthquakes occur each year.
worldwide 1,516 united states 348
There were 3 big ones (September 4th 2010, February 22 2011 and 2 on 13 June 2011. Although there have been dozens of other large ones (between magnitude 5-6) there have been well over 9,000 earthquakes/aftershocks to date. These still occur everyday and haven't ceased yet.
One 8.9 Magnitude and about 100 6.0 Aftershocks
From 1680 to Jan. 12-11, there have been 65 earthquakes. Sorry, couldn't find any for the rest of 2011 or 2012.
Aftershocks
Large earthquakes - scientists predict they should happen every 80 years.
There were 22,289 recorded earthquakes in 2011 worldwide and 5,237 in the United States according to the USGS. However, the USGS estimates that several million earthquakes occur in the world each year and go undetected because they hit remote areas or have very small magnitudes.
1 big one and at least >200 aftershocks