we can speak to kenji satake — he's a professor at the earthquake research institute at the universityave there been further aftershocks? aftershocks are still happening, but the tsunami warning has been cancelled this morning. people can go back to their houses if their houses are safe. in go back to their houses if their houses are safe.— go back to their houses if their houses are safe. in terms of the level of damage, _ houses are safe. in terms of the level of damage, how _ houses are safe. in terms of the level of damage, how extensive | houses are safe. in terms of the l level of damage, how extensive is it? , a, , , level of damage, how extensive is it? many houses, particularly the old wooden _ it? many houses, particularly the old wooden houses, _ it? many houses, particularly the old wooden houses, have - it? many houses, particularly the i old wooden houses, have collapsed. many people have died because of the collapsed houses.— collapsed houses. when you look at this particular _ collapsed houses. when you look at this particular situation _ collapsed houses. when you look