Earth-quake is a vibration that travels through the earth crust. It can be caused by any number of things, including meteor impact, underground explosions such as a mine. Most of the part of this earth hit by quake frequently in the area near the sea or beach.

Revise from earth quake disaster in many countries there are many building was shattered. Despitefully wood house is still intact hit by quake. The traditional house made of wood proven having well balancing and flexibility. When there is quaking coming wood house can be move follows the shake. Wood house can move flexible because the frame is connected by wood nail and every corner uses angle of nip.

Concrete house is very strong and stiff. When substructure of the concrete house is not stabile it’s have a big possibility shot to pieces hit by quake. This is not just a theory but supported by many fact and photo when quake hit many place in Indonesia. Wood house is becoming the solution to prevent earth-quake has been demonstrated in Japan. The traditional house in Indonesia like Joglo is proven to be earthquake-resistant houses.

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