Earthquake preparedness Essay Example | Topics and Well Written Essays - 2500 words

earthseism preparedness - Essay ExampleNear Prince Williams Sound the movement in plates had already started. The fault started to slip, resulted in tsunamis.rush under the foot. Huge fissures began to open and close as the shaking continued. In a trice every thing started to come down and collapse. For virtually 5 minutes the ground shook worry anything and than it stopped, leaving every thing ruined and devastated. (1)First moving on the seismic perimeters, the magnitude of this wave was noted to be 8.4 on the RICHTER SCALE. But later the calculation of the movement proved it to be just about 9.2, holding it to be the second largest thrill after the CHILE earth shiver which was recorded to be of 9.5 magnitudes. This quake was the largest in the Northern Hemisphere, largest in the North America. The total area on which it was felt was 1,300,000km2. (The whole of epicenter It was 120 km on the east side of the Anchorage, around 90km on the west of Valdez and approximately arou nd 10km east of the College Fiord. (2) Its focal dept comes up to 25km and the movement continued for around 240 seconds or approximately 4 minutes. after the earthquake the tremors and quakes continued for and year at least.There were approximately 52 larger after shocks. The largest quake had a magnitude of 6.7. Around 15 of these shocks pop offred on the said(prenominal) day. And these were of around 6.0 and above magnitude. In next few weeks same kind of shocks continued. Other than this there were many small quakes that came in the very same month of the earthquake. Now lets see what the strength of the Earthquake was. According to the different researchers, it was 6 * 10 embossed to the power of 25, in ergs. The sudden rise of the Alaskan sea floor caused a tsunami which gave rise to 121 deaths of 132 deaths. The tsunami waves which was surge at a tremendous seed of 400 miles per hour reached Hawaii Island, than it struck the Crescent city of California where the huge gr een wood trees which were in the near by sawmill were shoved into the city victorious away lives of 10 people. Around 16 people died in California. Sloshing of the water back and forth started to occur in the rivers a water ways. The landslides caused huge water waves of around 100 feet above the normal scend levels smashing the harbor walls and destroying it. (3)The sand turned into a liquid state because of the ground liquefaction due to the earthquake. As a effect of the liquefaction avalanches and rockslides occurred. About 75 houses were ruined because of this in the region of Anchorage, Turn again Heights. berth of around $311 million was destroyed most of it occurring in Anchorage area. The Penneys building was one of the strongest buildings that came down. Its panels were five inches thick. When the quake occurred the panels came out and fell into the street below. A woman was killed in this that was driving by. Air traffic restrainer was also killed when the 68 foot lon g and heavy control tower of Anchorage came down. Other than this in Anchorage area electricity poles, water lines, gas lines telephone lines were all smashed and