Japan Self-Defense Forces prepare relief supplies delivered by a U.S Marine Corp Osprey on April 19 in Minamiaso.

Japanese troops search for victims in Minamiaso on Monday, April 18.

Vehicles line up to refuel at a gas station in Aso, Japan, on April 18.

Police officers conduct a search operation at the site of a landslide caused by the quake in Minamiaso on Sunday, April 17.

Residents walk down a street on April 17 surrounded by destroyed homes in Mashiki, Japan.

Soldiers search for survivors at a collapsed apartment in Minamiaso on April 17.

A road collapsed in a landslide caused by earthquakes in Minamiaso on April 17.

Students and soldiers unload food from helicopters at the isolated Tokai University campus on April 17.

A rescue team removes a man from his damaged house house on April 16 in Kumamoto.

Damaged houses are seen after an earthquake in Mashiki. "This is the worst thing that could happen to us," said Shigeru Morita, an official in the town.

Evacuees wait for food at an entrance of the Kumamoto City Hall on April 16.

An earthquake caused a landslide in Minamiaso in Kumamoto Prefecture.

Residents look for an access to their homes on a road blocked by a collapsed house in Mashiki on April 16.

The tremors appear to have caused extensive damage, overturning cars, splitting roads and triggering a landslide, as shown by CNN affiliate TV Asahi footage.

Rescue workers take care of a woman suffering from shock at the evacuation center at the Mashiki Town Gymnasium on Saturday, April 16, in Kumamoto, Japan.

A severely damaged building in Kumamoto leans to one side on April 16 after the earthquake.

Medical staff prepare to evacuate patients from the hospital in Kumamoto City on April 16, over fears it could collapse as a wave of aftershocks hit the area.

A road damaged by the 7.0 magnitude earthquake is seen on April 16 in Mashiki, Kumamoto, Japan.

A police rescue team searches a damaged house for earthquake survivors Friday, April 15, in Mashiki, Japan.

A woman cleans up in front of her collapsed house in Mashiki on April 15.

A house in Mashiki teeters after the quake.

A man takes a picture of a damaged stone wall at Kumamoto Castle, in the city of Kumamoto, on April 15.

Smoke rises from burned houses in Mashiki on April 15.

A woman rides a scooter in front of a collapsed house in Mashiki on April 15.

An aerial view shows damage at Kumamoto Castle on April 15.

Kumamoto Castle is a major tourism destination and one of Japan's important cultural properties.

A resident passes by a toppled vending machine in Kumamoto on April 15.

A man stands in front of his collapsed house in Mashiki on April 15.

A rescue worker carries an 8-month-old girl after she was pulled from rubble in Mashiki on April 15.