Tsunami Occurs When Major Fault Under The Ocean Floor Suddenly Slips Earthquake Magnitude Mw

A tsunami is a very long ocean wave generated by sudden displacement of the sea floor or of the oceanic mass.

Greece turkey news now earthquake now gujarat. A massive tsunami triggered by a magnitude 91 earthquake left banda aceh on the northern coast of the indonesian island of sumatra a jumble of collapsed buildings and beached boats on dec. The nicoya peninsula forms the western edge of the caribbean plate where the cocos plate subducts beneath the caribbean plate along the middle american trench at about 8 cmy the region has a well defined earthquake cycle with large m 7 earthquakes in 1853 1900 1950 m 77 and most recently 5 september 2012 m w 76. The tsunami due to this giant earthquake of magnitude mw93 traveled throughout the indian ocean with large run up and was the most destructive in history causing some 300 000 deaths.

115 people died most to tsunamis carrying fire created by landslides. Magnitude 90 93 caused by earthquake tsunami hazards. About 3000 people died from the earthquake on the san andreas fault and resulting fire.

1906 san francisco california magnitude. 1923 tokyo japan magnitude. Earthquakes along transform boundaries show strike slip motion on the faults they form fairly straight linear patterns and tend to be shallow focus earthquakes with depths usually less than about 100 km.

A magnitude 90 earthquake and tsunami that devastated parts of japan in 2011 gave greater clarity to what the pacific northwest needs to do to improve its readiness for a similar catastrophe. One of the world. The san andreas fault is an example of a transform fault plate boundary along the north western mexican and california coast.

Quake energy 34 seismic moment slip x fault area x rigidity of rocks for a given quake magnitude if rigidity is low then displacement may be large. Geologic and seismic background. Mapped east of andaman islands by curray 2005.

The quake caused the ocean floor to suddenly rise by as much as 40 meters triggering a massive tsunami. This tsunami has created great interest in predicting future occurrences of such tsunamis. One of the worst disasters in history the 2004 indian ocean tsunami affected at least 14 countries and left about 250000 people dead or missing.