. >> rescue and recovery operations continue in the village of minami-aso. crews are looking for several people who remain unaccounted for. on t the death toll has risen to 47. rescue work is being hampered by the aftershocks and also by landslides. the situation is taking a toll on survivors. tens of thousands have fled their homes, and many sleeping in emergency shelters or their cars. and concerns are growing over a new potentially deadly threat. officials are raising awareness over the so-called economy class syndrome. blood clots develop when if people spend too much time not moving around. officials say one woman has died from the conditions. she was one of the thousands taking shelter in vehicles. nearly 20 others are suspected of having the same condition. >> translator: for april, it feels so cold. i'm borrowing a blanket and wrapping myself with it. >>> nhk contacted the region's municipalities and has halleyed the numbers. more than 124,000 people have fled their homes, many of which were destroyed or damaged. many i still without electricity, wat

. >> reporter: in the village of minami aso, a large landslide occurred. this was a bridge before the slide. here's what it looked like later. authorities used a drone to assess damage in the region. it shows how tons of earth slid down towards the bridge. nhk filmed a long fissure. scientists believe the scattering of cracks traces the line of the fault that caused the tremor. they say large horizon shifts along a major fault in kumamoto caused last weekend's quake. tens of thousands of people remain in shelters. >> translator: i couldn't sleep last night because it rocked a lot. i live alone and i am afraid. >> reporter: many continue to stay and sleep in their cars. their homes are too damaged to return to and too afraid of the constant jolts. self-defense force personnel have been preparing food for evacuees. >> translator: i haven't had anything to eat, so it's worth getting in the long line. >> reporter: some 200 people showed up at the hard-hit town of mashiki to help out. they signed up at the makeshift frontier center that just opened on thursday.

rescue and recovery operations continue in the village of m minami aso. on tuesday rescuers found three people under the rubble, all confirmed dead. their work is hampered by the after-shocks and also by landslides. they've counted more than 60 in the region. >>> many supermarkets and convenience stores in kumamoto prefecture have reopened but getting in and out of the area is a challenge so supplies of food and drinks remain low. people lined up tuesday before this supermarket opened its doors. >> translator: this store is far from my place but i need to get some food. customers were buying long awaited goods, fresh food. >> translator: i'm so glad that i can get what i want here again. >> this convenience store opened monday but most shelves are empty. the chain's distribution center is in one of the areas hardest hit by the quake. trucks can now only make one delivery a day as opposed to the usual three. many drivers are now in shelters, and their vehicles have been damaged. traffic jams are also slowing distribution, and night delivery is suspended du

cnn's matt rivers has more from minami-aso village, one of the hardest-hit areas in japan. >> reporter we've been the last couple of days. it's a touristy town. people come up here because there's hot springs and there are spas and apparently that building behind me used to be a spa. it was on saturday that the earthsquake here triggered a landslide, and you can see over my right shoulder there the landslide came down the mountain and it took out this building right behind me. now, officials say that there were two people inside a guest house at this spa when the landslide occurred and they are now trapped. so the operation you're seeing behind me involved dozens of members of both the japanese self-defense force as well as policemen who are trying their best to go through this very dense, heavy mud that came down with this landslide and try and free those people-two people that are trapped inside. >> translator: we are searching for survivors. my team is exhausted. but we're determined to find them. we'll continue to search until we find them in whatever state. >> reporter: but this i