2. WHAT IS A TSUNAMI?
• A tsunami is a series of waves in a water body caused by the
displacement of a large volume of water, generally in an ocean
or a large lake.
• Earthquakes, volcanic eruptions and other underwater
explosions above or below water all have the potential to
generate a tsunami.
• It can produce unusually strong currents, rapidly flood land
and cause great destruction.
• The flow and force of the water and the debris it carries can
destroy EVEN BUILDINGS.
3. CAUSES OF A TSUNAMI
• c It can be generated by movements along fault zones associated with
plate boundaries. ...
• Landslides. A landslide that occurs along the coast can force large
amounts of water into the sea, disturbing the water and generate a
tsunami. ...
• Volcanic Eruption. ...
• Extraterrestrial Collision
• certain types of weather like storms
4. Biggest Tsunamis Recorded
Iquique, Chile (2014-Apr-01)
• A mighty 8.2-magnitude earthquake struck off the coast of northern
Chile triggering small landslides, cutting power and generating a
tsunami.
• Four men and one woman died - two who suffered heart attacks and
three who were crushed. The quake struck about 8:46 p.m. local
time, some 60 miles northwest of Iquique.
• It had a depth of 12.5 miles. Tsunami waves of more than 6 feet
generated by the earthquake washed ashore on the coast of Pisagua.
• Iquique, with a population of more than 200,000, saw 7-foot waves.
5. Biggest Tsunamis Recorded
Lata, Solomon Islands (2013-Feb-06)
• A powerful M8.0 Earthquake hit off the coast of the pacific ocean's
Solomon Islands archipelago triggering a local Tsunami that traveled
for about a thousand miles before losing its energy.
• Dozens people were injured on the islands and at least 13 people
were killed.
• Loss of life and property damage mostly affected Solomon Islands
and the neighboring Vanuatu.
6. Biggest Tsunamis Recorded
Sumatra, Indonesia (2010-Oct-25)
• A 7.2 Earthquake off the Coast of the island of Sumatra, Indonesia,
unleashed a regionaL TSUNAMI
• It killed at least 509 people while another 21 went missing.
7. Biggest Tsunamis Recorded
Solomon Islands (2010-Jan-04)
• In January 2010 the western part of the Solomon Islands were hit by a
Tsunami wave train that followed two powerful earthquakes
measuring 6.5 and 7.2 on the Richter scale.
• These two major shakes were followed by a number of smaller
quakes and all together the quakes triggered waves that left about
1,000 homeless.
8. Biggest Tsunamis Recorded
Samoa Island and American Samoa (2009-Sep-29)
• A powerful 8.0-magnitude earthquake off the coast of Samoa
triggered Tsunami waves that hit mostly the Pacific island nation of
Samoa and American Samoa.
• At least 184 people were killed on the islands.
9. Biggest Tsunamis Recorded
Solomon Islands (2007-Apr-02)
• A regional Tsunami triggered by a magnitude-8.0 earthquake caused
the death of more than 50 people and injuries to hundreds of people.
• Thousands of homes were destroyed and people were relocated to
safe areas on the island
10. Biggest Tsunamis Recorded
Island of Java, Indonesia (2006-Jul-17)
• At least 668 people were killed due to a Tsunami triggered by a
magnitude-6.8 earthquake with epicenter off the coast of Indonesia's
West Java.
• Apart from the casualties, at least 1,438 people were injured .
• About 74,000 people lost their homes.
