About earthquake

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★	About earthquake

＊	What is earthquake?
＊	Seconary disasters
＊	Earthquake and other disaster, simultaneous occurrence
＊	How to give first-aid
＊	The way of carrying by the wounded
＊	Action in emergency
＊	Means of disaster measures

ＨＯＭＥ＞ About earthquake ＞ What is earthquake?

What is earthquake?

　This page, "What is earthquake?", is going to show you the knowledge about
　earthquake.

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★	Mechanism of earthquake
★	Types of earthquake
★	Seismic intensity and magnitude
★	Hypocenter
★	Aftershock
★	P-waves and S-waves
★	Observation of earthquake
★	Earthquake warning and alert
★	Earthquake Early Warning

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