7344Most people inside buildings detect shaking. Some people may detect shaking while walking. Some people are woken from sleep. Tableware may rattle.Most people are startled. Many people may detect shaking while walking. Most people who are asleep wake up. Suspended items, such as lights, shake violently.Plates and other items on shelves may clatter. Unstable items may topple over.Lower 5Many people feel scared and want to cling to things around them. Windowpanes may shatter.Upper 5 Most people cannot walk without holding onto something. Many items fall off shelves. Televisions may topple over. Some people may stop their cars because driving becomes difficult.Lower 6Upper 6 It is difficult to stand. Items such as shelving units may move and doors may not open. Wall tiles and windowpanes may break and fall.It is impossible to stand. Most large, unsecured items topple over. Many concrete-block walls and walls of buildings break and collapse.It is impossible to stand. Almost all large, unsecured items topple over and move uncontrollably. The ground may crack. There may be landslides.3 Japanese seismic intensity scale and magnitude Magnitude measures the size of an earthquake from its center (called the epicenter). The Japanese seismic intensity scale (震度[shindo]) indicates how much the earth shakes. Measurements are based on readings taken in several places. The scale runs from 1 to 7. Level 1 is the weakest type of earthquake and level 7 is the strongest.Even if an earthquake’s magnitude is large, places that are far from the epicenter and places where the earth’s surface is hard can be given a low reading on the seismic intensity scale.
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