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Lest we forget.
Earthquakes are a fact of life in Japan, with around 1,500 yearly. In spring 2022, the Tokyo metropolitan government commissioned a study to remind its residents of the many dangers that accompany these larger quakes. It found a 70 per cent chance a magnitude-7.3 earthquake would strike greater Tokyo before 2050. The report predicted that if the city felt the full brunt, 6,148 people would die due to collapsing buildings and fires breaking out. Around 81,000 buildings would be destroyed, and 4.53 million people would be left stranded, unable to return home. Evacuation centres would be overwhelmed.
A look at Tokyo's Fire Rescue Task Forces.
www.abc.net.au
This is a Tokyo earthquake risk assessment from 2018:
Earthquakes are a fact of life in Japan, with around 1,500 yearly. In spring 2022, the Tokyo metropolitan government commissioned a study to remind its residents of the many dangers that accompany these larger quakes. It found a 70 per cent chance a magnitude-7.3 earthquake would strike greater Tokyo before 2050. The report predicted that if the city felt the full brunt, 6,148 people would die due to collapsing buildings and fires breaking out. Around 81,000 buildings would be destroyed, and 4.53 million people would be left stranded, unable to return home. Evacuation centres would be overwhelmed.
A look at Tokyo's Fire Rescue Task Forces.
Naoshi Hirata, an emeritus professor of seismology at the University of Tokyo, helped write the report with the Tokyo metropolitan government's panel of experts on disaster prevention. He says Tokyo's residents are familiar with earthquakes, but many do not truly comprehend what a big earthquake would be like. [...] The latest report noted that the number of families living in super high-rise apartments had boomed by 33 per cent since the last report, released 10 years prior. However, these buildings were specifically designed to withstand large earthquakes and prevent the spread of fires, leading to a sharp reduction of the death toll and property destruction by 30 to 40 per cent. The main concern is the many older buildings that were built before strict earthquake regulations came into place in 1981. Narrow laneways and densely packed wooden structures susceptible to collapse and fire are dotted around Tokyo. "Those houses are weak. So that's very much a serious problem," Professor Hirata says.
6,000 dead, 81,000 buildings destroyed and 4.5m stranded: The inevitable mega quake that will strike Tokyo
Earthquakes are a fact of life in Japan, but authorities are warning the population is underprepared for a long-anticipated mega quake that could leave more than 4 million people stranded, and thousands dead.

This is a Tokyo earthquake risk assessment from 2018: