are reported to have collapsed, including a university dormitory. rescue efforts must compete with frequently strong aftershocks. so far, at least 138 deaths have been confirmed, many more injured. this part of the world is prone to killer earthquakes. a 7.6 quake hit western turkey a dozen years ago. at that time, 17,000 people were killed. cnn crews are now at the site of today s devastating damage. nefsen joins us by phone. can you see anything, or get a s sense of what s going on there? reporter: the situation is not good, as you mentioned, and this is one of the biggest earthquakes in the last 100 years of the turkish history. so one of the eastern cities of turkey, van, was hit by a 7.2 magnitude earthquake about 12 hours ago, and after that, there have been more than 20 aftershocks. each magnitude around 4. so people are really scared. and in central van, there are 10 buildings, maybe, 10 buildings, which are damaged or collapsed, and some of them are state hospitals