The emergency number for police is 110.
Crime rates are negligible in Japan, and it is well known to be one of the safest countries to travel in the world. You can travel easily as a woman alone in Japan although common sense prevails of course.
During typhoon season, you will be given good warning. Top tips include staying inside, and making sure any loose objects such as your bike, are secured. Draw your curtains in case the window glass cracks and, if severe, move into a room with no windows. And stay clear of the sea, as typhoons usually lead to high tides.
Drugs are neither hard nor soft in Japan, and possession of both can result in a prison sentence
As we know, earthquakes do happen. There are a few basics to follow, such as stay inside the building. You are generally safer in than out. Keep the door ajar with a heavy object. And stay away from brick walls, windows or heavy objects. The US Federal Emergency Management Agency
is a good source of safety advice when it comes to earthquakes. If you are near the sea during a big shake, head to higher ground as quickly as possible.