Saturday's magnitude-7.3 tremor has now killed at least 32 people, and injured more than two thousand. So far, 41 people in all have been killed since the first quake struck Thursday in Japan.

So far, 41 people in all have been killed since the first quake struck Thursday in Japan.

Authorities have ordered nearly a quarter of a million people to evacuate from their homes. The search for survivors went on into the early hours of today amid worsening weather conditions. More than 15,000 troops have been on site to set up tents for evacuees and water trucks are being sent in.

Around 25,000 extra soldiers are to arrive today, as well as more police, firefighters and medics. All flights at Kumamoto Airport have been suspended, as well as high-speed railway lines.

So far, 41 people in all have been killed since the first quake struck Thursday in Japan.