TSUNAMI
Tsunami is a Japanese word for a seismic sea wave generted by an undersea earthquake or landslide under a sea or eruption. Most tsunamis happen along the Ring of Fire. It is a zone of volcanoes and seismic activity. The zone encircles the Pasific Ocean. Historically, tsunamis have caused much destruction and death. Since 1819, about 40 tsunamis have struck the Hawaiian Island and since 1883, about 20 tsunamis have struck Indonesia. The last one was on December 26, 2004 and causdd over 100,000 people to die. A tsunami can have the width of 100 to 200 km and may spread far away across the deep ocean. The speed is as fast as a jet plane. When the wave reach the land it can be very high, which is about 15 m high or more.
Tidak ada komentar:
Posting Komentar