Tables explaining the Japan Meteorological Agency Seismic Intensity Scale
更新日:
2023年07月25日
Tables explaining the Japan Meteorological Agency Seismic Intensity Scale(simple version)
Seismic intensity | Human perception and reaction |
---|---|
"0" | Imperceptible to people, but recorded by seismommeters.
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"1" | Felt slightly by some people keeping quiet in buildings.![]() |
"2" | Felt by many people keeping quiet in buildings. Some people may be awoken.![]() |
"3" | Felt by most people in buildings. Felt by some people walking. Many people are awoken.![]() |
"4" | Most people are startled. Felt by most people walking. Most people are awoken.![]() |
"5Lower" | Many people are frightened and feel the need to hold onto something stable.![]() |
"5Upper" | Many people find it hard to move ; walking is difficult without holding onto something stable.![]() |
"6Lower" | It is difficult to remain standing.![]() |
"6Upper" | It is impossible to remain to standing or move without crawling. People may be thrown through the air.![]() |
"7" |
(extracts from Meteorological Agency)
Pleae refer to Meteorological Agency's website for more information